Control circuit, control chip and air conditioning system
A technology of air conditioning system and control circuit, which is applied in heating and ventilation control system, heating and ventilation safety system, lighting and heating equipment, etc. The fresh air mode cannot be turned on at the same time, etc.
Active Publication Date: 2021-11-23
HISENSE (SHANDONG) AIR CONDITIONING CO LTD
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- Application Information
AI Technical Summary
Problems solved by technology
However, this technology does not fundamentally solve the problem of condensation, and the multi-installed water trays increase the cost. If there is too much condensed water on the volute, there is a risk of being blown out by the air supply fan
[0004] In addition, some passive houses directly prohibit the mixed air mode, that is, the cooling mode and the fresh air mode cannot be turned on at the same time. This method cannot meet the needs of users to use the mixed air mode.
Method used
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[0032] The following describes in detail the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, but should not be construed as a limitation on the present application.
[0033] First refer to figure 1 The air conditioning system of the embodiment of the present application is described.
[0034] like figure 1 As shown, the air conditioning system includes an internal circulation subsystem and a fresh air subsystem. Both the air outlet of the fresh air subsystem and the air outlet of the internal circulation subsystem communicate with the indoor air supply port 33 of the air conditioning system through the air mixing area 45 . The air cond...
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The present application discloses a control circuit, a control chip and an air conditioning system. The control circuit includes: a signal driving sub-circuit, the input end of the signal driving sub-circuit is used for accessing a PWM signal, and the signal driving sub-circuit is used for The first output terminal and the second output terminal respectively output signals in phase or inverse phase with the access signal; the first switch, the first control port of the first switch is electrically connected to the first output terminal; the second switch, The first control port of the second switch is electrically connected to the second output terminal; the dead zone insertion subcircuit is connected to the second control port of the first switch and the second switch The second control port is electrically connected. The control circuit of the present application divides the PWM signal into two anti-phase paths through the signal driving sub-circuit, which can realize the alternate opening and closing of the two controlled components, and inserts the dead zone through the dead zone insertion subcircuit, so that the two controlled components The control unit can also insert dead time during alternating switching periods.
Description
technical field [0001] The present application belongs to the technical field of air conditioning equipment manufacturing, and in particular, relates to a control circuit, a control chip and an air conditioning system. Background technique [0002] Passive house technology has received extensive attention due to its excellent characteristics of energy saving and environmental protection. The air conditioning system in Passive House technology integrates the fresh air system and the internal circulation system. When the mixed air mode of the passive house is turned on, the cold air (low temperature) passing through the evaporator and the hot air (high temperature) passing through the total heat exchanger are mixed in the mixed air area, resulting in condensation, which affects the use effect. The blower blows out, affecting the user experience. [0003] In the related art, in order to solve the problem of a large amount of condensation in the mixed air area under the mixed ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F24F11/54F24F11/88F24F11/74F24F11/65F24F11/64F24F11/61F24F11/84F24F140/20
CPCF24F11/54F24F11/61F24F11/64F24F11/65F24F11/74F24F11/84F24F11/88F24F2140/20
Inventor 李学良蒋贤国梁洪启赵希枫
Owner HISENSE (SHANDONG) AIR CONDITIONING CO LTD