Heat quantity displaying device and method
First Claim
Patent Images
1. A heat quantity displaying device for displaying the state of supply of a heat quantity from air-conditioning equipment to a subject space that is subject to air-conditioning control, comprising:
- a heat quantity display that displays substantially simultaneously on a screen at least a range of heat quantities that can be supplied by the air-conditioning equipment to the subject space, and a heat quantity currently required by the subject space, wherein;
the range of heat quantities that can be supplied is calculated according to the equation Qs=C·
ρ
·
W·
(Tr−
Ts), wherein Qs is the range of heat quantities that can be supplied, C is the specific heat of air, ρ
is the density of air, W is the flow rate of the air supplied from the air conditioner, Tr is the room temperature of the subject space, and Ts is the temperature of the air supplied from the air conditioner; and
the heat quantity currently required by the subject space is calculated according to the equation Qr=K·
A·
(Tm−
Trs), wherein Qr is the heat quantity currently required by the subject space, K is the convective heat transfer coefficient of the entire surface of the subject space, A is the surface area of the entire surface of the subject space, Tm is the average temperature of the entire surface of the subject space, and Trs is the temperature set point.
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Abstract
A heat quantity displaying device displays the state of supply of a heat quantity from air-conditioning equipment to a subject space that is subject to air-conditioning control. The heat quantity displaying device includes a heat quantity display that displays substantially simultaneously on a screen at least a range of heat quantities that can be supplied by the air-conditioning equipment to the subject space, and a heat quantity currently are required by the subject space.
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Citations
10 Claims
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1. A heat quantity displaying device for displaying the state of supply of a heat quantity from air-conditioning equipment to a subject space that is subject to air-conditioning control, comprising:
a heat quantity display that displays substantially simultaneously on a screen at least a range of heat quantities that can be supplied by the air-conditioning equipment to the subject space, and a heat quantity currently required by the subject space, wherein; the range of heat quantities that can be supplied is calculated according to the equation Qs=C·
ρ
·
W·
(Tr−
Ts), wherein Qs is the range of heat quantities that can be supplied, C is the specific heat of air, ρ
is the density of air, W is the flow rate of the air supplied from the air conditioner, Tr is the room temperature of the subject space, and Ts is the temperature of the air supplied from the air conditioner; andthe heat quantity currently required by the subject space is calculated according to the equation Qr=K·
A·
(Tm−
Trs), wherein Qr is the heat quantity currently required by the subject space, K is the convective heat transfer coefficient of the entire surface of the subject space, A is the surface area of the entire surface of the subject space, Tm is the average temperature of the entire surface of the subject space, and Trs is the temperature set point.- View Dependent Claims (2, 3, 4, 5)
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6. A heat quantity displaying method for displaying the state of supply of a heat quantity from air-conditioning equipment to a subject space that is subject to air-conditioning control, comprising:
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displaying, substantially simultaneously, on a screen at least a range of heat quantities that can be supplied by the air-conditioning equipment to the subject space, and a heat quantity currently required by the subject space, wherein; the range of heat quantities that can be supplied is calculated according to the equation Qs=C·
ρ
·
W·
(Tr−
Ts), wherein Qs is the range of heat quantities that can be supplied, C is the specific heat of air, ρ
is the density of air, W is the flow rate of the air supplied from the air conditioner, Tr is the room temperature of the subject space, and Ts is the temperature of the air supplied from the air conditioner; andthe heat quantity currently required by the subject space is calculated according to the equation Qr=K·
A·
(Tm−
Trs), wherein Qr is the heat quantity currently required by the subject space, K is the convective heat transfer coefficient of the entire surface of the subject space, A is the surface area of the entire surface of the subject space, Tm is the average temperature of the entire surface of the subject space, and Trs is the temperature set point. - View Dependent Claims (7, 8, 9, 10)
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Specification