Agricultural machinery

Abstract

To improve connection workability of light wiring of a farm-working machine.SOLUTION: A light control signal conversion unit 3 includes a body part 31, a light output terminal part 32 and an ISOBUS connector connection terminal part 33. The ISOBUS connector connection terminal part 33 is provided in the body part 31 and has a signal terminal 331 receiving a light control signal 161 associated with the light 51. The body part 31 converts the light control signal 161 into power source output associated with the light. The light output terminal part 32 has an output terminal 321 which is provided in the body part 31 and outputs power source output associated with the light 51.SELECTED DRAWING: Figure 5

Description

[Technical field]

[0001] The present invention relates to an agricultural machine. [Background technology]

[0002] In foreign countries, including Europe, tractors equipped with tow-type agricultural implements are already permitted to be driven on public roads, and are required to be fitted with lighting devices such as brake lights, left turn signals (left blinkers), right turn signals (right blinkers), and width lights (positioning lamps) at the rear of the tractor, along with the agricultural implements. In Europe, power connectors for lighting devices are DIN standard connectors (national standard 72577 of the Federal Republic of Germany) (hereinafter referred to as "DIN standard connectors") as shown in Figure 1. A DIN standard connector is attached to a tractor, which is wired to turn on each lighting device in conjunction with braking and other operations. By connecting this DIN standard connector (female) on the tractor side to a DIN standard connector (male) attached to the end of the wire harness of the lighting device installed on the agricultural machine side, the power wiring for each lighting device on the tractor side is connected one-to-one with the lighting device on the agricultural machine side. When removing the agricultural machine from the tractor, the lighting-related wiring can be easily separated by simply removing the DIN standard connector.

[0003] In Japan, CN8-pole connectors of JFMMAS (Japan Agriculture, Forestry and Fisheries Standard) have recently come to be used as power wiring connectors for lighting equipment, as described in the following Non-Patent Document 1. Figure 2 is a diagram showing the CN8-pole M connector (male connector) and CN8-pole F connector (female connector) of the Japan Agriculture, Forestry and Fisheries Standard CN8-pole connector for lighting equipment, cited from the following Non-Patent Document 1. A CN8-pin M connector is attached to the end of the lighting wiring for the lights (brake lights, right turn indicator lights, left turn indicator lights, width lights, reverse lights) that are attached to the agricultural work machine towed or attached to the tractor, and the brake lights, right turn indicator lights, left turn indicator lights, width lights, and reverse lights are attached to the rear of the agricultural work machine in a position that can be seen from behind the agricultural work machine in accordance with regulations. The CN8-pin M connector provided on the agricultural work machine side at the end of the lighting wiring is connected to the CN8-pin F connector mounted on the tractor, so that the lights such as the brake lights are turned on in conjunction with the operation of the tractor side, such as braking. [Prior art documents] [Non-patent literature]

[0004] [Non-Patent Document 1] Title: "Agricultural tractor trailer connector JFMMAS 9501-1995", Japan Agricultural Machinery Manufacturers Association, revised September 28, 2006 URL: http: / / www.jfmma.or.jp / standards / jfmmas9501.pdf Summary of the Invention [Problem to be solved by the invention]

[0005] When importing tractors from abroad, especially from Europe, the lighting connectors installed on European tractors are DIN standard connectors and do not have CN8-pin connectors, so it is not possible to directly connect the CN8-pin connectors of the Japan Agricultural Machinery Industry standard installed on agricultural machinery made in Japan. Furthermore, in Europe, the installation of reverse lights (backlights) is not mandatory, so DIN connectors do not have terminals for reverse lights, and it was not possible to install wiring for reverse lights via a DIN connector. Therefore, it was necessary to rewire the tractor's power source to the agricultural machinery's reverse lights so that the reverse lights would turn on when the tractor was reversed, which was costly and time-consuming. For example, it is possible to attach a CN8-pin connector to a DIN standard connector using an adapter and connect the wiring for brake lights, right turn signals, left turn signals, and width lights, but this is not possible for reverse lights.

[0006] An object of the present invention is to improve the ease of connecting wiring for lighting devices in agricultural machinery. [Means for solving the problem]

[0007] The present invention solves the problem by providing a lamp control signal conversion unit 3 comprising a main body 31, a lamp output terminal unit 32, and an ISOBUS connector connection terminal unit 33, the ISOBUS connector connection terminal unit 33 being provided in the main body 31 and having a signal terminal 331 that receives a lamp control signal 161 associated with a lamp 51, the main body 31 converting the lamp control signal 161 into a power output associated with the lamp 51, and the lamp output terminal unit 32 being provided in the main body 31 and having an output terminal 321 that outputs the power output associated with the lamp 51. Effect of the Invention

[0008] Costs and effort can be reduced by connecting the lighting wiring using the international standard ISOBUS connector installed in the tractor. [Brief description of the drawings]

[0009] [Figure 1] DIN standard (national standard of the Federal Republic of Germany) connector for lighting equipment (A) Front view (B) Side view [Diagram 2] Table showing the front and side views of the male and female connectors of the CN8-pole connector of JFMMAS (Japan Agricultural and Industrial Standards) [Diagram 3] Front view of ISOBUS connector [Figure 4] Wiring diagram from tractor to agricultural machinery lighting [Diagram 5] Overall concept of the lighting control signal conversion unit [Figure 6] Wiring concept diagram of Example 1 [Figure 7] Rear view of fertilizer applicator with lighting device attached [Figure 8] Wiring concept diagram of Example 2 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

[0011] Example 1 The first embodiment relates to a Japanese-made agricultural work machine 2 towed by an overseas-made tractor 1. The agricultural work machine 2 may be towed behind the tractor 1 or may be attached to it. 3 is a front view of the terminal side of the ISOBUS connector 14. As described above, overseas, particularly European-made tractors 1 are equipped with a DIN-standard connector 12 as a lighting connector. In addition to the DIN-standard connector 12, the tractor 1 generally also has an ISOBUS connector 14 (International Organization for Standardization standard). Note that ISOBUS (ISO 11783) is a standard that complies with the CAN (Controller Area Network) communication protocol for network control of agricultural machinery. In the first embodiment, the lighting wiring 5 on the agricultural machine 2 side is connected to an ISOBUS connector 14, rather than to a DIN standard connector 12.

[0012] Fig. 4 is a conceptual diagram of wiring from the tractor 1 to the lighting device 51 of the agricultural machine 2. Fig. 6 is a conceptual diagram of wiring. The tractor 1 is designed to output a lighting signal 6, which is a power output that turns on the brake lights 511 and the left and right turn indicator lights (512, 513) in response to braking by braking and operation of the turn indicators. Although not shown in Fig. 4, lighting signals 6 are also output that turn on the width indicator lights 514 and the back-up lights 515. In European-made tractors 1, these lighting signals 6 are usually wired to be sent to the DIN standard connector 12. In the present invention, the DIN standard connector 12 is not used, and the ISOBUS connector 14 is used to light the brake lights 511, the left and right turn signals (512, 513), the width lights 514, and the back-up lights 515. In the first embodiment, as shown in Fig. 4, a single lamp 51 is used as both the side light 514 and the brake light 511, and is configured to increase the amount of light several times when the brakes are applied. Of course, it goes without saying that the side light 514 and the brake light 511 may be provided independently. The ISOBUS connector 14 mounted on the tractor 1 is compatible with CAN communication as described above, and can output various control signals as CAN signals to various devices. When the driver operates the brakes or the like in the driver's seat, a lighting signal 6 is output as a power output to turn on the lights 51. The power output of the lighting signal 6 output to each light 51 is converted by the CAN signal conversion unit 4 into a lighting control signal 161 of the CAN communication standard associated with the light 51, and sent via the bus wiring 16 to the ISOBUS connector 14 at the end.

[0013] Then, the lamp control signal 161 (CAN control signal associated with the lamp 51) output from the ISOBUS connector 14 is sent to the lamp control signal conversion unit 3. The lamp control signal 161 (CAN signal) sent via the bus wiring 16 is converted by the lamp control signal conversion unit 3 into a power output associated with the lamp 51.

[0014] The lamp signal conversion unit 3 will be described in more detail with reference to the overall conceptual diagram of Fig. 5. The lamp control signal conversion unit 3 is mainly composed of a main body section 31, a lamp output terminal section 32, and an ISOBUS connector connection terminal section 33. The ISOBUS connector connection terminal portion 33 is provided on the main body portion 31, and is provided with a signal terminal 331 that connects to the ISOBUS connector 14 on the tractor 1 side. The ISOBUS connector 14 has a built-in power line in addition to a communication line for information communication, and the main body 31 converts the lamp control signal 161 sent as a CAN signal and associated with the lamp 51 into a power output associated with each lamp 51. The lighting device output terminal section 32 is provided on the main body section 31 and has an output terminal 321 that sends a power output to at least one lighting device 51 attached to the agricultural machine 2. The output terminal 321 is associated with the lighting device 51, and the main body section 31 sends a power output to a specific output terminal 321 in accordance with the association. Although a CN8-pole F connector 8F is used as the lamp output terminal section 32 in the first embodiment (FIG. 5), it goes without saying that any connector that can send power output to the lamp 51 may be used.

[0015] 6 is a schematic diagram of wiring in the embodiment 1. Each of the eight output terminals 321 provided in the CN8-pole connector 8 is previously associated with a respective lighting device 51, and is configured to light the associated lighting device 51. The end of the lighting wiring 5 is a CN8-pole M connector 8M, and the CN8-pole M connector 8M can be connected to a CN8-pole F connector 8F. By connecting the two, the connection of each lighting wiring 5 for the brake light 511, right turn indicator light 512, left turn indicator light 513, width light 514 and reverse light 515 is completed all at once.

[0016] 7 is a rear view of the fertilizer application machine (agricultural work machine 2) with the lighting devices 51 attached. At the rear of the fertilizer application machine (agricultural work machine 2), a right turn signal light 512, a brake light 511 / width light 514 unit, a left turn signal light 513, a brake light 511 / width light 514 unit, and a back light 515 are provided, and although not shown, the lighting devices 51 are provided with lighting wiring 5 according to the above-mentioned embodiment 1.

[0017] As described above, even in European tractors where the backup light 515 is not mandatory, the trouble of having to rewire the power supply can be eliminated.

[0018] Example 2 Fig. 8 is a wiring concept diagram of Example 2. In Example 1, the lamp wiring 5 of all lamps 51 is connected to the lamp control signal conversion unit 3, whereas in Example 2, only the back lamp 515 is connected to the lamp control signal conversion unit 3. The other lamps 51 utilize the DIN standard connector 12 (see "DIN standard connector route" in Fig. 8). The other configurations are the same as those of Example 1. As explained in the section on problems to be solved by the invention, the DIN connector 12 has terminals corresponding to the brake lights 511, right turn indicator lights 512, left turn indicator lights 513, and width lights 514, but does not have a terminal corresponding to the reverse light 515. For the brake lights 511, right turn indicator lights 512, left turn indicator lights 513, and width lights 514, the connection is completed by using the DIN connector route in the figure that connects the terminals assigned to each lamp 51 of the DIN connector 12 to the respective lamp wiring 5. On the other hand, since the DIN connector 12 is not provided with a terminal corresponding to the reversing lights 515, the reversing lights 515 are turned on via the ISOBUS connector route in the figure. Specifically, the turn-on signal 6 for the reversing lights 515 is converted to a light control signal 161 by the CAN signal conversion unit 4 and sent to the ISOBUS connector 14 via the bus wiring 16. The signal is further converted to a power output by the light control signal conversion unit 3 connected to the ISOBUS connector 14, and passed through the light signal wiring 5 for the reversing lights 515 to turn on the reversing lights 515. In the second embodiment, since only the backup light 515 is turned on via the ISOBUS connector 14 route, it is sufficient that at least one output terminal 321 (see FIG. 5) is provided in the lighting output terminal unit 32. This makes it possible to eliminate the need to rewire the power supply, even for European tractors where the backup light 515 is not mandatory.

[0019] Other Aspects In another embodiment, by using an ISOBUS connector route, other than the lamps 51 exemplified in the first and second embodiments, it is possible to light the lamps as necessary without rewiring. If the output terminals 321 (see FIG. 5) of the lamp output terminal unit 32 are provided with a large number of poles in advance as spare output terminals 321, it is possible to easily deal with cases where a new lamp 51 is to be added. For example, license plate lights (lamp 51 that illuminates the license plate) and tail lights can also be connected by the ISOBUS connector route.

[0020] Although the embodiments of the present invention have been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and the present invention also includes design changes and the like that do not deviate from the gist of the present invention. Furthermore, the above-described embodiments and aspects can be combined by utilizing each other's technologies, so long as there are no particular contradictions or problems in the purpose, configuration, or the like. [Explanation of symbols]

[0021] 1 Tractor 12 DIN standard connector 14 ISOBUS connector 16 Bus wiring 161 Lighting control signal 2 Agricultural machinery 3. Lighting control signal conversion unit 31 Main body 32 Lighting output terminal section 321 Output terminal 33 ISOBUS connector terminal 331 Signal terminal 4 CAN signal conversion section 5 Light equipment wiring 51 Lighting equipment 511 Brake light 512 Right direction indicator light 513 Left direction indicator light 514 Parking lights 515 Reverse light 6 Lighting Signal 8 CN8-pole connector 8M CN8-pole M connector 8F CN8-pole F connector 81 Terminal

Claims

1. The device comprises a main body, a lighting output terminal, and an ISOBUS connector connection terminal. The ISOBUS connector connection terminal unit is provided on the main body unit and has a signal terminal for receiving a lighting device control signal associated with the lighting device, The main body converts the lamp control signal into a power output associated with the lamp, The lamp output terminal unit is provided in the main body unit and has an output terminal that outputs the power supply output associated with the lamp.

2. 2. The lamp control signal conversion unit according to claim 1, wherein the lamps are a brake light, a right turn indicator light, a left turn indicator light, a width indicator light and a back-up light.

3. 3. An agricultural machine comprising the lighting device control signal conversion unit according to claim 1.

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