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Control system

A technology of control system and control line, applied in the direction of control/regulation system, heating and ventilation control system, temperature control, etc.

Inactive Publication Date: 2017-08-29
MANETOS AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Finding a good enough semiconductor switching solution at low cost is a challenge
[0006] Also, there are similar issues related to climate control in buildings, e.g. for climate control equipment in heavy vehicles and climate control equipment in mining industry applications

Method used

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  • Control system

Examples

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Embodiment Construction

[0010] The drawing shows a schematic diagram of an indoor climate control system, wherein an electrical device 1 , such as a climate control device, has a control line 2 usually connected to a climate-influenced impedance device 3 . The weather-affected impedance device 3 may comprise, for example, a temperature sensor (such as a thermistor), an air humidity (RH) sensor (which may be capacitive and / or resistive), and a carbon dioxide (CO 2 ) One or more of the sensors. The switching device 4 is arranged to disconnect the weather-affected impedance device 3 from the control line 2 under the influence of the third output 5 of the control unit 6 , replacing it with the replacement device 7 . Thereby, as described below, an impedance controlled by the first output 8 of the control unit 6 is provided. Normally, therefore, the climate control device 1 is coupled to the weather-influenced impedance device 3 , but can be disconnected by means of the invention, whereby instead an alte...

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PUM

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Abstract

The invention relates to an electric system, comprising an electric equipment (1) having a control line (2) arranged to be connected to impedance means (3) as well as to substituting means (7). The substitution means provides an impedance controlled by a first output (8) of a control unit (6), the control unit having polarity probing means (13) arranged to obtain an indication whether a connection of the substituting means to the control line (2) results in a voltage with a positive or negative polarity. The connection of the substituting means (7) is made in dependence on that indication and under influence of a second output (14) of the control unit. According to the invention, the substituting means (7) comprise a series connection of two equivalent impedance networks (15, 16) provided each one with by-pass switching means (17, 18) for a plurality of impedance means (19, 20), each having series connected semiconductor switching means (21, 22) arranged in opposite directions. The impedance networks (15, 16) are controlled by the first output (8) of the control unit (6). The by-pass switching means (17, 18) are arranged to be alternatively activated by the second output (14) of the control unit.

Description

technical field [0001] The invention relates to a control system in which an electrical device has a control line arranged to be connected to an impedance device. The control system can be used in many applications within the scope of the appended claims, eg for indoor climate control installations, wireless energy transfer systems, charging systems for electric vehicles, and general communication equipment. For example, a control system may be used to enable power regulation and / or optimization. Background technique [0002] For the average user, and for the global community in particular, less energy consumption is desired. Efficient and reliable power regulation and / or optimization is required in many technical fields, such as for testing equipment, for calibration of equipment, for general laboratory purposes and / or for climate control systems. [0003] For example, there are many variations in indoor climate control installations, and these indoor climate control inst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/19F24F11/00G05D23/24G06F1/32H05B1/02
CPCG05D23/19F24F11/62F24F11/88G05D23/24H05B1/0275F24F2110/10G05D22/02G05D23/1917
Inventor J·约翰森H·伯格
Owner MANETOS AB