Indoor unti of air conditioner
A technology for indoor units and air conditioners, which is applied in the field of indoor units, can solve the problems of leak detection sensors and sensors that cannot be detected, and achieve the effect of improving the detection performance.
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no. 2 Embodiment approach
[0070] Figure 6 It is a sectional view showing the indoor unit of the second embodiment. also, Figure 6 Shows the cross-sectional structure of the lower part of the indoor unit. and, Figure 6 Other configurations not shown in the figure are the same as those of the first embodiment.
[0071] like Figure 6 As shown, the indoor unit 1A of the second embodiment is configured to include a leak detection sensor 25 on the upper wall 23 a of the flow path constituting the ventilation path 23 . An attachment hole 23a1 is formed in the upper wall 23a, and the leak detection sensor 25 is provided inside the upper wall 23a in which the attachment hole 23a1 is formed (on the side opposite to the ventilation passage 23). In addition, the leak detection sensor 25 can be attached to an arbitrary position in the width direction of the ventilation path 23 .
[0072] Thus, similar to the first embodiment, when the refrigerant leaked from the heat exchanger 22 becomes unable to pass thro...
no. 3 Embodiment approach
[0074] Figure 7 It is a sectional view showing the outdoor unit of the third embodiment.
[0075] like Figure 7 As shown, the indoor unit 1B of the third embodiment is configured to include a leak detection sensor 25 on the lower wall 23 b constituting the flow path of the ventilation path 23 . An attachment hole 23b1 is formed in the lower wall 23b, and the leak detection sensor 25 is provided inside the lower wall 23b in which the attachment hole 23b1 is formed (on the side opposite to the ventilation passage 23). In addition, like the second embodiment, the leak detection sensor 25 can be attached to any position in the width direction of the ventilation passage 23 .
[0076] Thus, similar to the first embodiment, when the refrigerant leaked from the heat exchanger 22 becomes unable to pass through the front side drain pan 24a and the back side drain pan 24b (refer to figure 2 ), the refrigerant flows out to the ventilation passage 23, whereby leakage of the refrigera...
no. 4 Embodiment approach
[0079] Figure 8 shows the internal structure of the indoor unit of the fourth embodiment, Figure 8 (a) is the front view, Figure 8 (b) is a side view.
[0080] like Figure 8 As shown in (a), the indoor unit 1C of the fourth embodiment has a structure in which a leak detection sensor 25A is provided instead of the leak detection sensor 25 of the first to third embodiments.
[0081] Leak detection sensor 25A includes light emitting unit 25 a provided on side wall 23 d constituting the flow path of ventilation passage 23 , and light receiving unit 25 b provided on side wall 23 c constituting the flow passage of ventilation passage 23 .
[0082] And, the light emitting part 25a and the light receiving part 25b are arrange|positioned at the position facing each other along the horizontal direction (the axial direction of the blower 21). In addition, the positional relationship between the light emitting part 25a and the light receiving part 25b on the left and right may be ...
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