CN217131401U - Substrate structure - Google Patents

Abstract

The utility model provides a base plate structure with simple structure, high heat dissipation efficiency and reduction of manufacturing cost. The substrate structure of the present invention comprises a substrate main body (30) and electronic components arranged on the substrate main body (30), the substrate structure is provided with a current sensor (40), the current sensor (40) is provided with an annular core (42), A connector (33) and both ends of the current wiring (31) passing through the core (42) are connected to the substrate body (30), and the connector (33) is connected to the sensor wiring (44) of the current sensor (40). .

Description

Substrate structure

technical field

The present disclosure relates to substrate structures.

Background technique

Patent Document 1 discloses a current sensor configured by punching out a metal magnetic plate with high relative permeability characteristics, and providing a near magnetic gap inside a magnetic core heat-treated in hydrogen at a temperature of 900° C. or higher. The first V-slot and the second V-slot close to the base of the magnetic circuit, a substrate support part is provided at the base of the magnetic circuit opposite to the second V-slot, and the insertion from the magnetic gap is implemented. The coil bobbin of the winding of the moving element is bent inward at two V-slot positions, and the substrate, the coil bobbin, and the magnetic core are integrally formed.

prior art literature

Patent Literature

Patent Document 1: Japanese Patent Application Laid-Open No. 05-052871

SUMMARY OF THE INVENTION

The technical problem to be solved by the utility model

The present disclosure provides a substrate structure with a simple structure, high heat dissipation efficiency, and reduced manufacturing cost.

Technical solutions for solving technical problems

The present disclosure provides a substrate structure including a substrate main body and electronic components arranged on the substrate main body, wherein the substrate structure includes a current sensor, the current sensor includes a ring-shaped core, and one of the substrate main bodies is connected with a A connector and both ends of the current wiring passing through the core, the connector connecting the sensor wiring of the current sensor.

The effect of the utility model

In the board structure of the present disclosure, when the board body is replaced, it is not necessary to perform the work of removing the connection of the current wiring and the work of removing the sensor wiring of the current sensor. Therefore, when the board main body is replaced, it is possible to suppress the occurrence of a connection error on the new board main body, an error in the mounting direction of the current sensor, and the like.

Description of drawings

FIG. 1 is a perspective view of an outdoor unit of an air conditioner according to Embodiment 1. FIG.

FIG. 2 is a front view showing a substrate main body according to Embodiment 1. FIG.

3 is a perspective view showing a substrate main body according to Embodiment 1. FIG.

4 is an explanatory diagram showing the core of the current sensor according to the first embodiment.

5 is an explanatory diagram showing the relationship between the current wiring and the current sensor according to the first embodiment.

6 is an explanatory diagram showing the relationship between the current sensor and the substrate main body according to the first embodiment.

Detailed ways

(Insights, etc., on which this disclosure is based)

When the present inventors thought of the present disclosure, there is a magnetic sensor in which a magnetic gap is provided in a magnetic circuit of a magnetic core, a magnetic detection element is provided between the gaps of the magnetic circuit, and winding resistance is applied to the magnetic circuit and the winding resistance is connected to the magnetic circuit. The current value is detected by flowing the current to be measured.

In such a magnetic sensor, both ends of the primary-side current wiring are connected to different substrates, respectively, and the detection wiring of the magnetic sensor is connected to one substrate.

However, when both ends of the primary-side current wiring are connected to different substrates, the current wiring and the current sensor need to be removed when the substrate is replaced by maintenance and inspection. In addition, the inventors of the utility model discovered that when assembling the current wiring and the current sensor, problems such as forgetting to install the current sensor, wrong installation position, wrong installation direction of the current sensor, etc. may occur. In order to solve the problem, the subject of the present disclosure.

Therefore, the present disclosure provides a board structure that does not require removal of the current wiring and the current sensor when the board body is replaced, and can suppress the occurrence of connection errors in the new board body, errors in the mounting direction of the current sensor, and the like.

Hereinafter, embodiments will be described in detail with reference to the drawings. However, the detailed description more than necessary may be omitted in some cases. For example, detailed descriptions of already well-known matters or repeated descriptions of substantially the same structures may be omitted. This is to prevent the following description from being too long and to make it easy for those skilled in the art to understand.

In addition, the accompanying drawings and the following description are provided for those skilled in the art to fully understand the present disclosure, and are not intended to limit the subject matter described in the scope of the utility model registration request.

(Embodiment 1)

Hereinafter, Embodiment 1 will be described with reference to the drawings.

[1-1. Structure]

[1-1-1. Structure of outdoor unit]

FIG. 1 is a perspective view of an outdoor unit 1 of an air conditioner according to the present embodiment. FIG. 2 is a front view of the substrate main body. 3 is a perspective view of a substrate body.

As shown in FIG. 1 , the outdoor unit 1 of the present embodiment sucks air into the interior through an outdoor heat exchanger arranged along the side surface, exchanges heat with the refrigerant, and blows out the air from the other side surface, so-called so-called Side-flow or side-blown outdoor unit.

As shown in FIG. 1 , the outdoor unit 1 includes a box-shaped casing (housing) 10 extending in the vertical direction in the longitudinal direction. In this embodiment, each part of the frame body 10 is formed of a steel plate.

The housing 10 includes a bottom panel 11 forming a bottom surface of the housing 10, a top panel 12 forming a top surface, a front panel 13 forming a part of the front surface, a side panel 14 forming a side surface, and a rear panel 15 forming the back surface.

A partition 16 is provided inside the casing 10 . The interior space of the housing 10 is partitioned into a heat exchange chamber 17 and a machine chamber 18 by a partition 16 .

The front panel 13 is a plate-like member that surrounds the heat exchange chamber 17 together with the partition plate 16 and the side panel 14 . On the front panel 13 , two exhaust ports 20 are provided side by side along the vertical direction of the housing 10 . The exhaust port 20 is an opening that communicates the outside of the housing 10 with the heat exchange chamber 17 . In this embodiment, the net-shaped protective member 21 is provided in the exhaust port 20 .

An outdoor heat exchanger 22 and two blowers 23 are provided in the heat exchange chamber 17 .

The outdoor heat exchanger 22 of the present embodiment extends in the height direction of the casing 10, is bent in a substantially L-shape in a plan view of the casing 10 so as to face the side and back of the casing 10, and is accommodated in in the heat exchange chamber 17 .

The blower 23 of the present embodiment is a so-called axial-flow blower provided with a propeller-shaped impeller. Each of the blowers 23 is arranged so that the axial flow direction is directed toward the exhaust port 20 .

The inside of the machine room 18 accommodates various devices that form a refrigeration circuit, such as a compressor 24 and an expansion valve, refrigerant pipes that connect them to each other, and electrical components 25 .

In the machine room 18 , the compressor 24 is mounted and fixed on the bottom panel 11 .

The partition plate 16 is a plate-shaped member extending along the vertical direction of the housing 10 with a predetermined height dimension and extending along the front-rear direction of the housing 10 .

The partition plate 16 is fixed to the frame body 10 by connecting the lower end to the bottom panel 11 , and the upper end abuts the top panel 12 . The spacer 16 connects the edge part located on the front side of the housing|casing 10 to the front panel 13, and connects the edge part located on the back surface side of the housing|casing 10 to the back panel.

In addition, although not shown, the upper end of the partition plate 16 is provided with the notch which connects the machine chamber 18 and the heat exchange chamber 17.

[1-1-2. Structure of the substrate body]

As shown in FIG. 1 , electrical components 25 are attached above the machine room 18 . The electrical component 25 includes a substrate body 30 on which a predetermined conductive pattern is formed.

As shown in FIGS. 2 and 3 , the substrate main body 30 is arranged substantially parallel to the separator 16 at predetermined intervals.

Various electronic components such as transistors, capacitors, and resistors are mounted on the substrate body 30 .

In the present embodiment, two primary-side current wirings 31 and 31 are connected to the substrate main body 30 . Both ends of the current wiring 31 are connected to predetermined terminals 32 of the board main body 30 by soldering (welding). In addition, it may be fixed to the terminal 32 by a screw or a quick-connect terminal.

The current wiring 31 has a longer wire length with respect to the distance between the terminals 32 . Therefore, in a state where the current wiring 31 is connected to the terminal 32 , the current wiring 31 is held in an arc shape in a state where the central portion thereof is separated from the substrate main body 30 .

The current wiring 31 is, for example, a current wiring 31 for flowing a large current to the compressor 24 or the like.

Current sensors 40 and 40 are respectively provided on the current wiring 31 . The current sensor 40 includes an annular core 42 in which a hole 41 is formed in the center. The current wiring 31 is arranged to pass through the hole portion 41 of the core 42 of the current sensor 40 .

Then, the core 42 of the current sensor 40 is fixed to the current wiring 31 by a holding member 43 such as a wire tie or an adhesive tape.

The current sensor 40 includes a sensor wiring 44 .

A sensor connector 33 is attached between the terminals 32 of the board main body 30 to which the current wiring 31 is connected. Sensor wires 44 of the two current sensors 40 are connected to the connector 33 .

The sensor wires 44 of the two current sensors 40 are brought together by tapes (wire tapes, ties) 45 so as not to come into contact with the surface of the substrate main body 30 .

On the outer peripheral surface of the core 42 of the current sensor 40 , a label 46 displaying a mark for identifying the current sensor 40 and the direction of the current is attached to the core 42 .

Moreover, the front panel 50 (refer FIG. 6) which covers the board|substrate main body 30 is provided in the front surface side of the board|substrate main body 30. As shown in FIG.

FIG. 4 is an explanatory diagram illustrating the core 42 of the current sensor 40 . FIG. 5 is an explanatory diagram showing the relationship between the current wiring 31 and the current sensor 40 . FIG. 6 is an explanatory diagram showing the relationship between the current sensor 40 and the substrate main body 30 .

将前面面板50和基板主体30的距离设为H。As shown in FIG. 4 , the inner radius of the core 42 of the current sensor 40 is d1, and the outer radius of the core 42 is d2, and as shown in FIG. The height of the substrate is set to h. In addition, as shown in FIG. 6 , the diameter of the current wiring 31 on the primary side is set to

Let H be the distance between the front panel 50 and the board main body 30 .

In this case, the spatial distance m1 between the outer peripheral surfaces of the substrate main body 30 and the core 42 is:

Therefore, h is determined so as to ensure m1>0, and h is adjusted according to the length of the primary-side current wiring 31 or the connection position to the board main body 30 .

In addition, the spatial distance m2 between the substrate main body 30 and the front panel 50 is:

m2=H-h-d1-d2.

Therefore, H is determined so as to ensure m2>0, and H is adjusted according to the length of the primary-side current wiring 31 or the connection position to the board main body 30 .

[1-2. Action]

Next, the operation of the outdoor unit 1 configured as described above will be described.

When the outdoor unit 1 starts to operate, the blower 23 starts to be rotationally driven. By the rotational drive of the blower 23, the outside air flows into the heat exchange chamber 17 via the outdoor heat exchanger 22, exchanges heat with the outdoor heat exchanger 22, and is discharged to the outside of the outdoor unit.

Moreover, when the board|substrate main body 30 breaks down, all the board|substrate main bodies 30 are replaced.

That is, in the present embodiment, both ends of the current wiring 31 are connected to one substrate main body 30 , and the sensor wiring 44 of the current sensor 40 inserted through each current wiring 31 is also the same as that of the same substrate main body 30 . The connector 33 is connected.

Therefore, when replacing the board main body 30 , it is not necessary to perform the work of removing the connection of the current wiring 31 and the work of removing the sensor wiring 44 of the current sensor 40 .

[1-3. Effects, etc.]

As described above, in the present embodiment, the substrate main body 30 and the electronic components arranged on the substrate main body 30 are provided, and the current sensor 40 is provided. The connector 33 is connected to the sensor wiring 44 of the current sensor 40 through both ends of the current wiring 31 of the core 42 .

Thereby, when the board main body 30 is replaced, it is not necessary to perform the work of removing the connection of the current wiring 31 and the work of removing the sensor wiring 44 of the current sensor 40 . Therefore, when the board main body 30 is replaced, it is possible to suppress the occurrence of a connection error in the new board main body 30, an error in the mounting direction of the current sensor 40, and the like.

In addition, in the present embodiment, the current sensor 40 is fixed to the current wiring 31 by the holding member 43 .

Thereby, the movement of the current sensor 40 with respect to the current wiring 31 can be suppressed.

In addition, in the present embodiment, two current wirings 31 are provided, and the sensor wirings 44 of the current sensors 40 provided on the two current wirings 31 respectively are connected to one connector 33 .

Thereby, the sensor wirings 44 of the current sensor 40 can be collectively provided.

In addition, in this embodiment, the height position of the current wiring 31 is set so that the space distance of the board|substrate main body 30 and the outer peripheral surface of the core 42 may be ensured.

Thereby, the contact between the outer peripheral surfaces of the substrate main body 30 and the core 42 can be suppressed. Therefore, it is possible to prevent the current sensor 40 from coming into contact with the substrate main body 30 to cause a short circuit or the like.

In addition, in this embodiment, the front panel 50 covering the surface of the substrate main body 30 is provided, and the height position of the current wiring 31 is set so as to ensure the spatial distance between the front panel 50 and the outer peripheral surface of the core 42 .

Thereby, the contact between the front panel 50 and the outer peripheral surface of the core 42 can be suppressed. Therefore, it is possible to prevent the current sensor 40 from coming into contact with the front panel 50 to cause a short circuit or the like.

(Other Embodiments)

As above, Embodiment 1 has been described as an example of the technology disclosed in this application. However, the technology in the present disclosure is not limited to this, and can be applied to embodiments in which changes, substitutions, additions, omissions, and the like are made.

Therefore, other embodiments are exemplified below.

In Embodiment 1, the case where the substrate structure is applied to an outdoor unit of an air conditioner has been described as an example, but other than this, the substrate body 30 on which the current wiring 31 and the current sensor 40 are mounted may be used. Applicable to any substrate structure.

[Structure supported by the above embodiment]

The above-described embodiment supports the following structures.

(Structure 1)

A board structure including a board body and an electronic component disposed on the board body, wherein the board structure includes a current sensor, the current sensor includes a ring-shaped core, and a connector and a pass-through are connected to one of the board bodies. Both ends of the current wiring of the core, and the connector is connected to the sensor wiring of the current sensor.

According to this structure, when replacing|exchanging a board|substrate main body, it becomes unnecessary to perform the removal work of the connection of a current wiring, and the removal work of the sensor wiring of a current sensor. Therefore, when the board main body is replaced, it is possible to suppress the occurrence of connection errors in the new board main body, errors in the mounting direction of the current sensor, and the like.

(Structure 2)

According to the board structure of the structure 1, the said current sensor is fixed with respect to the said current wiring by the holding member.

According to this structure, movement of the current sensor with respect to the current wiring can be suppressed.

(Structure 3)

The substrate structure according to Structure 1 or Structure 2, wherein two current wirings are provided, and the sensor wirings of the current sensors provided on the two current wirings are connected to one of the connectors.

According to this structure, the sensor wiring of a current sensor can be provided collectively.

(Structure 4)

The board structure according to any one of Structures 1 to 3, wherein the height position of the current wiring is set so as to ensure a spatial distance between the board main body and the outer peripheral surface of the core.

According to this configuration, it is possible to suppress the contact between the substrate main body and the outer peripheral surface of the core. Therefore, it is possible to suppress the occurrence of a short circuit or the like due to contact of the current sensor with the substrate main body.

(Structure 5)

The substrate structure according to any one of Configurations 1 to 4, wherein the front panel is provided which covers the surface of the substrate main body, and the above-mentioned front panel is set so as to ensure a spatial distance between the front panel and the outer peripheral surface of the core. The height position of the current wiring.

According to this structure, the contact between the front panel and the outer peripheral surface of the core can be suppressed. Therefore, it is possible to suppress the occurrence of a short circuit or the like due to contact of the current sensor with the front panel.

Industrial Availability

The present disclosure can be applied to a board structure capable of suppressing the occurrence of connection errors in the new board body, errors in the mounting direction of the current sensor, and the like when the board body is replaced.

Description of reference numerals

1 Outdoor unit

10 Frame (shell)

16 Separator

17 Heat Exchange Chamber

18 Mechanical Room

20 Exhaust port

21 Protective parts

22 Outdoor heat exchanger

23 Blower

24 compressor

25 Denso Parts

30 Substrate body

31 Current wiring

32 terminals

33 Connector

40 Current sensor

41 hole

42 cores

43 Holding parts

44 Sensor wiring

45 Tape

46 Labels

50 Front panel.

Claims (5)

1. A substrate structure comprising a substrate main body and an electronic component arranged on the substrate main body, characterized in that,

comprises a current sensor having an annular core,

one of the substrate bodies is connected to connectors connected to sensor wires of the current sensor and to both ends of current wires passing through the cores.

2. The substrate structure of claim 1,

the current sensor is fixed to the current wiring by a holding member.

3. The substrate structure of claim 1,

two of the current wirings are provided,

the sensor wires of the current sensor respectively provided to the two current wires are connected to one of the connectors.

4. The substrate structure of claim 1,

the height position of the current wiring is set to ensure a spatial distance between the substrate main body and the outer peripheral surface of the core.

5. The substrate structure of claim 1,

a front panel covering the surface of the substrate main body,

the height position of the current wiring is set to secure a spatial distance between the front panel and the outer peripheral surface of the core.

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