Power supply leading-out cable of outdoor unit

Abstract

Provided is a power supply lead-out cable for an outdoor unit, which can securely secure a power supply from the outdoor unit by a simple method. A power supply lead-out cable, which is connected to an outdoor unit in a pluggable manner, is provided with: a terminal part that fits into a 200V power receiving port connector disposed on a control panel of the outdoor unit; a wiring part, one end of which is connected to the terminal part; and a socket part connected to the other end of the wiring part. The control board is disposed in a control box provided in the outdoor unit. The overall length of the power supply lead-out cable is configured to be longer than the distance from the power receiving port connector to the bottom surface of the control box.

Description

Technical Field

[0001] The present disclosure relates to a power outgoing cable for outgoing power from an outdoor unit. Background Art

[0002] Patent Document 1 discloses a technology related to a power supply cable for supplying power to a substrate. In this technology, a power supply cable having a connector at an end is used for electrical connection between a power supply unit and a control board, thereby streamlining assembly work.

[0003] Prior art literature

[0004] Patent Literature

[0005] Patent Document 1: Japanese Patent Application Publication No. 2000-237387 Summary of the invention

[0006] Problems to be solved by the invention

[0007] The outdoor unit of a multi-split air conditioner for a building is installed on the roof of the building, for example. When inspecting the outdoor unit, an electrical device such as a maintenance PC is sometimes connected to the control panel to check the data. If such inspections are continued for a long time, the built-in battery of the electrical device will run out of power, so it is necessary to ensure a power supply that can always supply power.

[0008] However, it is difficult to ensure power supply on the roof of a building. For example, it is possible to use a cord reel to introduce power from the building side, but the work of the operator increases. In addition, it is possible to use an alligator clip or the like to directly obtain power from the power terminal block of the outdoor unit, but there are safety issues. Thus, in the inspection of the outdoor unit of a multi-split air conditioner for a building, it is desired to safely ensure the power supply from the outdoor unit to the electrical equipment connected to the outdoor unit by a simple method.

[0009] The present disclosure has been made to solve the above-mentioned problems, and an object of the present disclosure is to provide a power lead-out cable for an outdoor unit that can safely secure power from the outdoor unit by a simple method.

[0010] Means for solving problems

[0011] The power lead-out cable disclosed in the present invention is connected to the outdoor unit in a pluggable manner, wherein the power lead-out cable comprises: a terminal portion, which is engaged with a 200V power receiving port connector arranged on the control panel of the outdoor unit; a wiring portion, one end of which is connected to the terminal portion; and a socket portion, which is connected to the other end of the wiring portion.

[0012] Effects of the Invention

[0013] According to the power lead-out cable of the present disclosure, it is possible to secure power safely from a 200V power receiving port connector disposed on a control board by a simple method. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an exploded view showing a configuration example of the outdoor unit according to the embodiment.

[0015] Figure 2 This is a schematic diagram for explaining the internal structure of the control box.

[0016] Figure 3 It is an overall view of the power lead-out cable according to the embodiment.

[0017] Figure 4 This is an enlarged view of the terminal section of the power cable.

[0018] Figure 5 This is a detailed diagram of the first terminal portion.

[0019] Figure 6 This is a detailed diagram of the second terminal portion.

[0020] Figure 7 This is a diagram for explaining an example of using a power lead-out cable.

[0021] Figure 8 This is a partially enlarged view of a modified example of the power lead-out cable.

[0022] Fig. 9 It is a partial enlarged view of another modified example of the power lead-out cable.

[0023] Fig.10 The figure shows an example of a caution label attached to a power lead-out cable. DETAILED DESCRIPTION

[0024] Hereinafter, the embodiments will be described with reference to the drawings. In addition, the same reference numerals are given to the common elements in each figure, and the repeated description is omitted.

[0025] Implementation method.

[0026] 1. Overall structure of the outdoor unit

[0027] Figure 1 1 is an exploded view showing a structural example of an outdoor unit of the present embodiment. The outdoor unit 100 is an outdoor unit of a multi-split air conditioner for a building. The outdoor unit 100 is disposed, for example, on the roof of a building. The outdoor unit includes a fan cover 102, a fan 104, a fin cover 106, a heat exchanger 108, a front panel 110, and a control box 120.

[0028] The front panel 110 is a detachable panel covering the opening of the front surface of the outdoor unit body. The front panel 110 is removed by a maintenance worker during inspection or the like. When the front panel is removed from the outdoor unit 100, the control box 120 is exposed. The control box 120 has built-in electronic components for controlling various devices of the outdoor unit 100. When the front panel of the control box 120 is removed, the interior of the control box 120 is further exposed.

[0029] Figure 2 1 is a schematic diagram for explaining the internal structure of the control box 120. Figure 2 As shown, the control box 120 with the front panel removed is in a rectangular box shape having a bottom portion 122, a pair of side portions 124, an upper surface portion 126, and a back portion 128. In the control box 120, a control board 130, a transmission power supply substrate 140, a DC reactor 142, a power supply terminal block 144, a fan inverter substrate 146, and an inverter substrate 148 are arranged facing the back portion 128.

[0030] The control board 130 is provided with a power receiving port connector 132, and the power receiving port connector 132 is supplied with a single-phase AC 200V voltage. The power receiving port connector 132 is a power supply connector for expansion, and is an idle connector that is not used in the normal specification. The power lead-out cable of this embodiment is connected to the power receiving port connector 132 in a pluggable manner to ensure power supply. The structure of the power lead-out cable is described in detail below.

[0031] 2. Structure of the power cable

[0032] Figure 3 The power lead-out cable 10 includes a socket portion 12 , a wiring portion 14 , a first wiring portion 16 , a second wiring portion 18 , and a first terminal portion 20 and a second terminal portion 22 as terminal portions.

[0033] The socket portion 12 has, for example, a socket shape for single-phase 200 V. One end of the wiring portion 14 is connected to the socket portion 12, and the other end is connected in parallel to branch into a first wiring portion 16 and a second wiring portion 18. The end of the first wiring portion 16 is connected to the first terminal portion 20, and the second wiring portion 18 is connected to the second terminal portion 22.

[0034] Figure 4 This is an enlarged view of the terminal section of the power cable. Figure 5 Detailed diagram of the first terminal portion 20. Figure 6Detailed view of the second terminal 22. The first terminal 20 is a connector inserted into the power receiving port connector 132 and mated with the power receiving port connector 132. The first terminal 20 includes a first claw 202. The first claw 202 is used to prevent the first terminal 20 inserted into the power receiving port connector 132 from falling off.

[0035] The second terminal portion 22 is a connector having an insertion shape different from that of the first terminal portion 20. Depending on the model of the outdoor unit 100, there is an outdoor unit having a different shape of a power receiving port of a 200V power receiving port connector arranged on the control board 130. The second terminal portion 22 is a connector corresponding to a power receiving port connector having a shape different from that of the power receiving port connector 132. The second terminal portion 22 has a second claw portion 222 for preventing disengagement in the same manner as the first terminal portion 20.

[0036] The total length of the power lead-out cable 10 is adjusted to be longer than the distance from the lower end of the power receiving port connector 132 to the bottom surface 122. In other words, the total length of the power lead-out cable 10 is adjusted to a length that enables the socket portion 12 to be arranged above the bottom surface 122 when the first terminal portion 20 or the second terminal portion 22 is inserted into the power receiving port connector 132. Figure 2 In the example shown, the total length of the power lead-out cable 10 is adjusted by bundling the wiring portion 14 with the bundling band 24. The total length of the power lead-out cable 10 is, for example, 45 cm or more and less than 50 cm.

[0037] 3. Example of using a power cable

[0038] During the inspection of the outdoor unit 100, an electrical device such as a maintenance PC may be used for a long time. In such a case, the built-in battery of the electrical device may be insufficient. The power lead-out cable 10 of this embodiment is used to ensure a 200V power supply from the outdoor unit 100. Hereinafter, an example of ensuring a power supply for the maintenance PC from the outdoor unit 100 during the inspection of the outdoor unit 100 will be described.

[0039] When inspecting the outdoor unit 100, the maintenance worker removes the front panel 110 from the outdoor unit body to expose the internal control box 120. In addition, the maintenance worker removes the front panel of the control box 120 to expose the internal devices of the control box 120.

[0040] Figure 7 This is a diagram for explaining an example of using a power lead-out cable. Figure 7The figure shows the state after the front panel 110 and the front panel of the control box 120 are removed. The maintenance worker inserts the first terminal portion 20 of the power lead-out cable 10 into the power receiving port connector 132 of the control board 130. As a result, the first claw portion 202 of the first terminal portion 20 is engaged with the claw receiving portion (not shown) of the power receiving port connector 132 and is locked. The power receiving port connector 132 is supplied with a single-phase AC 200V power supply. As a result, the socket portion 12 of the power lead-out cable 10 is supplied with a 200V power supply. The socket portion 12 is connected to, for example, an adapter 150 of a maintenance PC. The adapter 150 is, for example, arranged on the bottom portion 122 of the control box 120. In this way, according to the power lead-out cable 10 of this embodiment, power can be simply and safely derived from the outdoor unit 100.

[0041] In addition, the total length of the power lead-out cable 10 is adjusted to be longer than the distance from the power receiving port connector 132 to the bottom surface portion 122. According to such a structure, the socket portion 12 can be placed on the bottom surface portion 122 in a state where the first terminal portion 20 of the power lead-out cable 10 is inserted into the power receiving port connector 132. Thus, even if the adapter 150 is connected to the socket portion 12, it is possible to prevent the first terminal portion 20 and the wiring portion 14 from being loaded by the dead weight of the socket portion 12 and the adapter 150.

[0042] Furthermore, the power lead-out cable 10 of the present embodiment includes the first terminal portion 20 and the second terminal portion 22 connected in parallel. This allows the power lead-out cable 10 to be compatible with the power receiving port connectors of two types of control boards.

[0043] 4. Modifications

[0044] The power lead-out cable 10 of the present embodiment may be modified as described below.

[0045] 4-1. Terminal section

[0046] The number of branches of the terminal portion of the power lead-out cable 10 is not limited. That is, the terminal portion may be configured such that, when there are three or more types of power receiving port connectors as the insertion object, the power lead-out cable 10 is connected in parallel with three or more terminal portions corresponding to the shapes of the power receiving port connectors. In addition, the terminal portion of the power lead-out cable 10 may also be a structure with a single terminal portion without branches.

[0047] The first claw portion 202 of the first terminal portion 20 and the second claw portion 222 of the second terminal portion 22 are not necessarily required structures. In addition, the locking structure of the first claw portion 202 and the second terminal portion 22 is not limited.

[0048] 4-2. Socket

[0049] The socket shape of the socket portion 12 is not limited.

[0050] 4-3. Total length of the power cable

[0051] The total length of the power lead-out cable 10 is not limited.

[0052] 4-4. Restraint components

[0053] In order to prevent both the first terminal portion 20 and the second terminal portion 22 from being inserted incorrectly, the first wiring portion 16 and the second wiring portion 18 may be bundled on the first terminal portion 20 and the second terminal portion 22 side. Figure 8 1 is a partially enlarged view of a modified example of the power lead-out cable 10. The power lead-out cable 10 of the modified example shown in the figure includes a restraining member 30 for bundling the first wiring portion 16 and the second wiring portion 18. The restraining member 30 is, for example, a binding band. It is preferred that the restraining member 30 is bundled as close as possible to the first terminal portion 20 and the second terminal portion 22. According to such a structure, when the first terminal portion 20 is inserted into the power receiving side connector, the range in which the second terminal portion 22 can move is limited. As a result, it is possible to prevent the second terminal portion 22 from being inserted into the state where the first terminal portion 20 is inserted.

[0054] 4-5. Restriction components

[0055] In order to prevent both the first terminal portion 20 and the second terminal portion 22 from being inserted incorrectly, the orientation of the terminal portions may be restricted so that the insertion direction of the first terminal portion 20 is opposite to the insertion direction of the second terminal portion 22 . Fig. 9 1 is a partially enlarged view of another modified example of the power lead-out cable 10. The power lead-out cable 10 of the modified example shown in the figure includes a limiting member 40 that limits the insertion direction of the first terminal portion 20 and the insertion direction of the second terminal portion 22. The limiting member 40 is, for example, a cylindrical member having an inner cylinder portion 42 that penetrates along the entire length direction, and a through hole 44 that penetrates from the outer surface to the inner cylinder portion 42 is provided near the center in the entire length direction.

[0056] The first terminal portion 20 is led out from one side of the inner cylinder portion 42 through the through hole 44. In addition, the second terminal portion 22 is led out from the other side of the inner cylinder portion 42 through the through hole 44 through the inner cylinder portion 42. According to such a structure, the orientation of the terminal portion is restricted so that the insertion direction of the first terminal portion 20 becomes the opposite direction of the insertion direction of the second terminal portion 22. Thus, it is possible to prevent the second terminal portion 22 from being inserted into the state where the first terminal portion 20 is inserted.

[0057] In addition, the shape of the restricting member 40 is not limited to the above-described cylindrical shape. That is, the restricting member 40 may be, for example, a rod member without an inner cylindrical portion. In this case, with the insertion direction of the first terminal portion 20 being opposite to the insertion direction of the second terminal portion 22, the first wiring portion 16 and the second wiring portion 18 may be bundled to the rod member using a bundling band.

[0058] 4-6. Caution Label

[0059] The power supply lead cable 10 may also be affixed with a connection caution label for prompting attention to the simultaneous connection (Japanese: 2接続) of the first terminal portion 20 and the second terminal portion 22. Fig.10 FIG. is an example of a caution label affixed to the power supply lead cable. In the example shown in this figure, connection caution labels 50 bearing the words "Prohibited Simultaneous Connection" are affixed to the terminal portion sides of the first wiring portion 16 and the second wiring portion 18, respectively. The shape, material, and pasting position of the connection caution label 50 are not limited.

[0060] In addition, the power supply lead cable 10 may also be affixed with a voltage caution label 52 for prompting attention to the case where 200V is supplied to the socket portion 12. In Fig.10 the example shown, a voltage caution label 52 bearing the words "Caution: 200V" is affixed to the socket portion 12 side of the wiring portion 14. The shape, material, and pasting position of the voltage caution label 52 are not limited.

[0061] With such a structure of the connection caution label 50 and the voltage caution label 52, the safety of maintenance personnel using the power supply lead cable 10 can be improved.

[0062] Reference Numeral Explanation

[0063] 10: Power supply lead cable, 12: Socket portion, 14: Wiring portion, 16: First wiring portion, 18: Second wiring portion, 20: First terminal portion, 22: Second terminal portion, 24: Bundling band, 30: Restraining member, 40: Restricting member, 42: Inner cylindrical portion, 44: Through hole, 50: Connection caution label, 52: Voltage caution label, 100: Outdoor unit, 102: Fan cover, 104: Fan, 106: Fin cover, 108: Heat exchanger, 110: Front panel, 120: Control box, 122: Bottom surface portion, 124: Side surface portion, 126: Upper surface portion, 128: Rear surface portion, 130: Control board, 132: Power receiving port connector, 140: Transmission power supply board, 142: DC reactor, 144: Power terminal block, 146: Fan inverter board, 148: Inverter board, 150: Adapter, 202: First claw portion, 222: Second claw portion.

Claims

1. A power supply cable for an outdoor unit, which is pluggable and removable to the outdoor unit, wherein: The power export cable has: A terminal portion, which is engaged with a 200V power receiving port connector arranged on the control panel of the outdoor unit; a wiring portion, one end of which is connected to the terminal portion; and The socket portion is connected to the other end of the wiring portion.

2. The power lead-out cable of the outdoor unit according to claim 1, wherein: The control panel is arranged in a control box provided inside the outdoor unit. The total length of the power lead-out cable is longer than the distance from the power receiving port connector to the bottom surface portion of the control box.

3. The power lead-out cable of the outdoor unit according to claim 1 or 2, wherein: The one end of the wiring portion is branched into a first wiring and a second wiring connected in parallel, The terminal portion includes: a first terminal portion connected to an end portion of the first wiring; and a second terminal portion connected to an end portion of the second wiring, The first terminal portion has an insertion shape different from that of the second terminal portion.

4. The power lead-out cable of the outdoor unit according to claim 3, wherein: The power lead-out cable of the outdoor unit further includes a binding member that bundles the first wiring and the second wiring.

5. The power lead-out cable of the outdoor unit according to claim 3 or 4, wherein: The power lead-out cable of the outdoor unit further includes a restricting member that restricts directions of the first terminal portion and the second terminal portion so that an insertion direction of the first terminal portion and an insertion direction of the second terminal portion are in opposite directions.

6. The power lead-out cable of the outdoor unit according to any one of claims 3 to 5, wherein: The power lead-out cable of the outdoor unit further includes a connection caution label, and the connection caution label is used to remind attention to simultaneous connection of the first terminal portion and the second terminal portion.

7. The power lead-out cable of the outdoor unit according to any one of claims 3 to 6, wherein: The power lead-out cable of the outdoor unit further includes a voltage caution label for reminding a user of the voltage supplied to the socket portion.

Images