Magneto-caloric effect type heat pump apparatus
A magnetocaloric effect, heat pump technology, applied in lighting and heating equipment, heating/cooling equipment, machines using electrical/magnetic effects, etc., can solve the problem that battery heat cannot be used for magnetocaloric effect heat pump equipment, absorb battery heat, etc.
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no. 1 example
[0023] Such as figure 1 As shown, the magnetocaloric effect type heat pump apparatus 2 according to the first embodiment is applied to the air conditioner 1 of a vehicle. The air conditioner 1 adjusts the air temperature in the passenger compartment of the vehicle. The air conditioner 1 has an indoor heat exchanger 3 provided in the vehicle, and heat is exchanged in the indoor heat exchanger 3 with inside air. The indoor heat exchanger 3 may correspond to a high temperature heat exchanger. The air conditioner 1 also has an outdoor heat exchanger 4 provided outside the vehicle, and heat is exchanged in the outdoor heat exchanger 4 with the outside air. The outdoor heat exchanger 4 may correspond to a low temperature heat exchanger.
[0024] The air conditioner 1 includes a magnetocaloric effect type heat pump device 2 that uses the magnetocaloric effect of a magnetocaloric element. Hereinafter, the magnetocaloric effect type heat pump device 2 may be referred to as an MHP d...
no. 2 example
[0126] Figure 4 is a sectional view showing the MHP device 202 according to the second embodiment. Although the high-temperature-side MCD unit 40 and the low-temperature-side MCD unit 50 have approximately the same size and heat capacity in the first embodiment, in the second embodiment, the number of magnetocaloric elements located on the low-temperature side from the heat exchanger 90 is reduced, taking into account the heat of the waste heat supplied to the inverter 7 of the MHP device through the heat exchanger 90 .
[0127] In the MHP device 202 , the low temperature side MCD unit 250 is made smaller in size and heat capacity than the high temperature side MCD unit 240 . The MCD unit 240 has a magnetocaloric element 249 composed of five element units 260, 261, 262, 263, 264 (hereinafter referred to as 260-264). The MCD unit 250 has a magnetocaloric element 259 composed of four element units 265, 266, 267, 268 (hereinafter referred to as 265-268). Therefore, the number...
no. 3 example
[0131] Figure 5 is a schematic diagram showing an air conditioner 301 having the MHP device 2 according to the third embodiment. Although in the first and second embodiments, the waste heat of the inverter 7 is recovered by the heat exchanger 90 fixed to the high temperature side MCD unit 40, 240, in the third embodiment, the heat exchanger of the auxiliary heat source device 305 390 is provided in the low temperature side circulation passage 16 .
[0132] In the low temperature side circulation passage 16 , the heat exchanger 390 is located between the outdoor heat exchanger 4 and the MCD unit 50 . The auxiliary heat source device 305 supplies the heat of the inverter 7 to the magnetocaloric elements 59 , 49 via the low temperature end 12 . Therefore, the heat absorbed from the outside air corresponding to the main heat source and the heat absorbed from the inverter 7 can be conducted in a parallel relationship.
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