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Method and device for guaranteeing normal operation of unit after abnormal pressure

A technology for normal operation and units, which is applied in mechanical equipment, heating and ventilation control systems, heating and ventilation safety systems, etc., and can solve problems such as failure to ensure the normal operation of units in time

Inactive Publication Date: 2019-08-09
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a method and device for ensuring the normal operation of the unit after the pressure is abnormal, so as to solve the problem in the prior art that the normal operation of the unit cannot be guaranteed in time after the pressure sensor is abnormal

Method used

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  • Method and device for guaranteeing normal operation of unit after abnormal pressure
  • Method and device for guaranteeing normal operation of unit after abnormal pressure
  • Method and device for guaranteeing normal operation of unit after abnormal pressure

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Embodiment 1

[0032] figure 1 is a flowchart of an emergency control method for abnormal pressure according to an embodiment of the present invention, such as figure 1 As shown, the method includes the following steps:

[0033] Step S101, after monitoring that the pressure sensor of the unit is abnormal, collect the current associated parameters of the unit;

[0034] Step S102, look up the pressure value corresponding to the current associated parameter in the historical operating data; wherein, the historical operating data records the mapping relationship between the associated parameter and the pressure value during the historical operating process;

[0035] In step S103, the above-mentioned pressure value is used as the detected pressure value of the pressure sensor, and the normal operation of the unit is maintained based on the detected pressure value.

[0036] The embodiment of the present invention aims at the situation that the unit cannot operate normally when the pressure senso...

Embodiment 2

[0043] figure 2 is the emergency control flow chart of the unit according to the embodiment of the present invention, such as figure 2 As shown, the control flow is as follows:

[0044] After the unit is started and running, if it detects that the pressure sensor is abnormal, it will report the fault and notify the maintenance, and the unit will no longer collect the feedback signal of the pressure sensor. In order to maintain the sustainable and normal operation of the unit, parameters such as the weather information of the current location of the unit, the operating mode of the unit, the frequency of the compressor currently running, the frequency of the fan, the normal pressure of the system that can be detected, the suction temperature of the unit and the exhaust temperature of the unit are collected. According to the weather information collected above and the operating parameters of the unit, in the historical operation database of the unit, perform parameter matching...

Embodiment 3

[0047] corresponds to figure 1 Introduced the emergency control method for abnormal pressure, this embodiment provides an emergency control device for abnormal pressure, such as image 3 The structural block diagram of the abnormal pressure emergency control device shown, the device includes:

[0048] The parameter acquisition module 10 is used to collect the current associated parameters of the unit after monitoring that the pressure sensor of the unit is abnormal;

[0049] The emergency treatment module 20 is connected to the parameter collection module 10, and is used to search the pressure value corresponding to the current associated parameter in the historical operation data; wherein, the historical operation data records the correlation parameter and the pressure value in the historical operation process Mapping relationship; the pressure value is used as the detected pressure value of the pressure sensor, and the normal operation of the unit is maintained based on the...

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Abstract

The invention discloses a method and device for guaranteeing normal operation of a unit after abnormal pressure. The method comprises the steps: after monitoring that a pressure sensor of the unit isabnormal, collecting current associated parameters of the unit; searching historical operation data for a pressure value corresponding to the current associated parameters, wherein a mapping relationbetween an associated parameter and a pressure value is recorded in historical operation data; taking the pressure value as a detection pressure value of the pressure sensor, and maintaining normal operation of the unit based on the detection pressure value. The device provides an emergency treatment scheme for the situation that the unit cannot normally operate when the pressure sensor is abnormal. According to the emergency treatment scheme, the pressure value in the historical operation data is taken as the detection pressure value of the pressure sensor, so that the subsequent normal operation of the unit can be guaranteed.

Description

technical field [0001] The invention relates to the field of unit technology, in particular to a method and device for ensuring the normal operation of the unit after abnormal pressure. Background technique [0002] With the continuous improvement of social development and people's living standards, electrical equipment such as air conditioners has become a necessity for people's lives. In electrical equipment such as air conditioners, temperature and pressure are two important parameters to control the operation of the unit. If the pressure is too high or too low, it will seriously affect the reliability of the unit, and if the pressure is too high or too low, it may cause rapid damage to the unit. Therefore, the unit, especially the frequency conversion unit, generally installs a pressure sensor for detecting high pressure and low pressure at the corresponding position in the system. comfort. [0003] However, if the pressure sensor of the unit is damaged, the unit canno...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/64F24F11/89F24F110/40
CPCF24F11/64F24F11/89F24F2110/40
Inventor 李立民朱世强冯涛周潮
Owner GREE ELECTRIC APPLIANCES INC
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