Multi-on-line system and method for judging heating capacity of indoor units of multi-on-line system
A multi-connected system and a technology for judging methods, applied in the field of multi-connected systems, can solve problems such as increased heating load, more internal units when heating starts, insufficient heating capacity, etc., and achieve the effect of meeting the needs of indoor comfort
Active Publication Date: 2017-02-15
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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Problems solved by technology
In the main cooling mode, due to load changes, such as fewer people in the heating room, fewer heat sources, or more internal units when the heating is turned on, the heating load increases, and the heating capacity is insufficient, which affects the comfort of the room.
However, the current multi-connected system is still difficult to timely and accurately judge the insufficient heating capacity
Method used
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[0039] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0040] The multi-connected system and the method for determining the heat capacity of the indoor mechanism thereof according to the embodiments of the present invention will be described below with reference to the accompanying drawings.
[0041] figure 1 It is a flowchart of a method for determining the heating capacity of an indoor mechanism in a multi-connected system according to an embodiment of the present invention.
[0042] Among them, refer to figure 2 with image 3 , the multi-connected system of the embodiment of t...
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The invention discloses a multi-on-line system and a method for judging the heating capacity of indoor units of the multi-on-line system. The method comprises the following steps of (1) detecting the indoor temperature T1 corresponding to each heating indoor unit among the multiple indoor units in real time, acquiring a saturation temperature Tps1 corresponding to the upstream pressure of a first throttling valve and acquiring an outlet temperature T2A and an inlet temperature T2B of an indoor heat exchange assembly in each heating indoor unit when the multi-on-line system runs; (2) computing a first judgment value according to the saturation temperature Tps1, the indoor temperature T1 corresponding to any heating indoor unit and the outlet temperature T2A and the inlet temperature T2B of each indoor heat exchange assembly, and acquiring the continuous heating running time of the heating indoor unit; and (3) judging whether the heating capacity of the corresponding heating indoor unit is insufficient or not according to the first judgment value, the continuous heating running time of the heating indoor unit and the opening degree of an indoor throttling element of the heating indoor unit. According to the method, whether the heating capacity of the heating indoor unit is insufficient or not can be accurately judged in time.
Description
technical field [0001] The invention relates to the technical field of air conditioning, in particular to a method for judging the heat capacity of an indoor mechanism in a multi-connection system and a multi-connection system. Background technique [0002] Multi-connection systems have been widely used in various large office buildings, office buildings, hospitals and villas, etc. Due to the diversity of users and different usage characteristics, some rooms often need to be heated throughout the year, while others need to be cooled. Condition. The traditional multi-split system can only achieve cooling or heating alone, but the heat recovery multi-split system has great market prospects because it can realize cooling and heating at the same time, and has a high energy efficiency ratio in the mixed mode. [0003] For the heat recovery multi-connected system, the main heating mode can be operated when the demand for heating energy is large, and the main cooling mode can be o...
Claims
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Login to View More IPC IPC(8): F24F1/00F24F11/00
CPCF24F1/0003F24F11/30F24F11/62F24F11/64F24F11/83F24F11/84F24F2110/10
Inventor 汤昌靖
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD