阅读说明：本技术 一种空调器制热运行四通阀自修复系统 (Self-repairing system for four-way valve in heating operation of air conditioner ) 是由 郝文琦 何剑 侯文卿 龙玉琴 尹强 于 2021-08-30 设计创作，主要内容包括：本发明公开了一种空调器制热运行四通阀自修复系统,包括：第一检测模块、第二检测模块、自修复模块以及报障模块,所述第一检测模块的输出端与所述第二检测模块的输入端连接,所述第二检测模块的输出端与所述自修复模块双向连接,所述第一检测模块与所述自修复模块双向连接,所述自修复模块的输出端与所述报障模块的输入端连接；本发明的空调器制热运行四通阀自修复系统通过系统自身温度和压力判断识别出来四通阀故障问题,通过四通阀通电、上电频繁冲击,往往可以是使四通阀恢复到位,实现系统故障的自检和自修复,避免用户的投诉,减少故障投诉率。(The invention discloses a self-repairing system of a four-way valve for heating operation of an air conditioner, which comprises: the system comprises a first detection module, a second detection module, a self-repairing module and an obstacle reporting module, wherein the output end of the first detection module is connected with the input end of the second detection module, the output end of the second detection module is bidirectionally connected with the self-repairing module, the first detection module is bidirectionally connected with the self-repairing module, and the output end of the self-repairing module is connected with the input end of the obstacle reporting module; the self-repairing system for the four-way valve in the heating operation of the air conditioner identifies the fault problem of the four-way valve through the self temperature and pressure judgment of the system, and can recover the four-way valve in place through frequent impact of the four-way valve after being electrified and electrified, thereby realizing the self-inspection and self-repair of the system fault, avoiding the complaint of a user and reducing the fault complaint rate.)

1. The utility model provides an air conditioner heats operation cross valve self-repairing system which characterized in that: this self-repairing system of four-way valve for heating operation of air conditioner includes: the fault detection device comprises a first detection module, a second detection module, a self-repairing module and a fault reporting module, wherein the output end of the first detection module is connected with the input end of the second detection module, the output end of the second detection module is bidirectionally connected with the self-repairing module, the first detection module is bidirectionally connected with the self-repairing module, and the output end of the self-repairing module is connected with the input end of the fault reporting module.

2. The self-repairing system of the four-way valve for the heating operation of the air conditioner as claimed in claim 1, wherein: the first detection module is a temperature detection module.

3. The self-repairing system of the four-way valve for the heating operation of the air conditioner as claimed in claim 2, wherein: the temperature detection module detects the indoor and outdoor temperature difference during air conditioning heat operation, the four-way valve is opened when the indoor temperature is higher than the outdoor temperature, and the self-repairing module operates when the indoor temperature is lower than or equal to the outdoor temperature and the four-way valve is blocked.

4. The self-repairing system of the four-way valve for the heating operation of the air conditioner as claimed in claim 3, wherein: the second detection module is a pressure detection module.

5. The self-repairing system of the four-way valve for the heating operation of the air conditioner as claimed in claim 4, wherein: and the pressure detection module detects the difference value of high pressure and low pressure in the four-way valve when the air conditioner is in heating operation.

6. The self-repairing system of the four-way valve for the heating operation of the air conditioner as claimed in claim 5, wherein: the self-repairing module realizes self-repairing by controlling the power-off and power-on of the four-way valve.

7. The self-repairing system of the four-way valve for the heating operation of the air conditioner as claimed in claim 6, wherein: the fault reporting module is used for controlling the four-way valve to be powered off and powered on for 50 times by the self-repairing module, and the fault reporting module runs and lights up the indicator lamp.

Technical Field

The invention relates to the field of air conditioning equipment, in particular to a self-repairing system for a four-way valve for heating operation of an air conditioner.

Background

The four-way valve of the existing air conditioner is a key part for performing heating and heating switching operation, the problem that the four-way valve is stuck to be motionless or motionless frequently occurs due to various complex reasons in the using process, so that the heating and heating effect of the air conditioner is poor or the heating and heating effect is lost, thereby causing complaints of users and causing a large amount of fault maintenance.

Disclosure of Invention

The invention aims to provide a self-repairing system of a four-way valve for heating operation of an air conditioner, which solves the problems in the background technology.

The invention is realized in this way, a self-repairing system of four-way valve for heating operation of air conditioner, the self-repairing system of four-way valve for heating operation of air conditioner includes: the system comprises a first detection module, a second detection module, a self-repairing module and an obstacle reporting module, wherein the output end of the first detection module is connected with the input end of the second detection module, the output end of the second detection module is in two-way connection with the self-repairing module, the first detection module is in two-way connection with the self-repairing module, the output end of the self-repairing module is connected with the input end of the obstacle reporting module, whether the four-way valve is switched in place or not is judged through parameter change of the system, whether the system is normal or not is judged, if the four-way valve is not switched in place, the resistance when the four-way valve is switched is reduced by reducing the pressure difference of the system, and the four-way valve is powered on and powered on to impact frequently, so that the four-way valve is automatically repaired and switched in place, and the failure rate of the four-way valve in operation of the system is reduced.

The further technical scheme of the invention is as follows: the first detection module is a temperature detection module, and when the air conditioner operates at the maximum power, whether the four-way valve is blocked or not is judged through detecting the indoor and outdoor temperature difference.

The further technical scheme of the invention is as follows: the temperature detection module detects the indoor and outdoor temperature difference during the heating operation of the air conditioner, when the indoor temperature is higher than the outdoor temperature, the four-way valve is normally opened, and when the indoor temperature is lower than or equal to the outdoor temperature, the four-way valve is blocked, and then the self-repairing module operates.

The further technical scheme of the invention is as follows: the second detection module is a pressure detection module, and detects the difference value of high pressure and low pressure in the four-way valve when the heating effect caused by incomplete opening of the four-way valve is not good.

The further technical scheme of the invention is as follows: the pressure detection module detects the difference value of high pressure and low pressure in the four-way valve during the heating operation of the air conditioner, and when the difference value of the high pressure and the low pressure is less than 1 MPa, the four-way valve is not completely opened, the self-repairing module operates.

The further technical scheme of the invention is as follows: the self-repairing module realizes self-repairing by controlling the power-off and power-on of the four-way valve, the four-way valve of the active system can be temporarily mechanically blocked, the four-way valve can be recovered to act under most conditions by repeatedly impacting the power-off and power-on, and manual repairing is not needed, so that the self-repairing of the system is realized.

The further technical scheme of the invention is as follows: the fault reporting module is used for controlling the four-way valve to be powered off and powered on for 50 times by the self-repairing module, and the fault reporting module runs and lights up the indicator lamp.

The invention has the beneficial effects that: the self-repairing system of the four-way valve for the heating operation of the air conditioner judges whether the four-way valve is switched in place or not and whether the system is normal or not through the change of system parameters, reduces the resistance when the four-way valve is switched by reducing the system pressure difference if the four-way valve is not switched in place, and frequently energizes and energizes the four-way valve to impact, so that the four-way valve is automatically repaired and switched in place, the failure rate of the four-way valve for the operation of the system is reduced, the failure problem of the four-way valve is judged and identified through the self temperature and pressure of the system, and the four-way valve can be frequently restored in place through the energizing and energizing frequent impact of the four-way valve, thereby realizing the self-inspection and self-repairing of the system failure, avoiding the complaint of users and reducing the failure complaint rate.

Drawings

FIG. 1 is a control flow chart of a four-way valve self-repairing system for heating operation of an air conditioner provided by the invention;

fig. 2 is a system schematic diagram of a four-way valve self-repairing system for heating operation of an air conditioner provided by the invention.

Reference numerals: 1. the device comprises a four-way valve 2, an indoor heat exchanger 21, an indoor heat exchanger temperature sensor 3, an indoor heat exchanger wind wheel 4, a throttle valve 5, an outdoor heat exchanger 6, an outdoor heat exchanger wind wheel 61, an outdoor heat exchanger temperature sensor 7, a compressor 8, a mortgage pressure sensor 9, a reservoir 91, a reservoir inlet 10, a high-pressure sensor 11 and an electric control component.

Detailed Description

The first embodiment is as follows: fig. 1-2 show a self-repairing system for a four-way valve for heating operation of an air conditioner, which comprises: the system comprises a first detection module, a second detection module, a self-repairing module and an obstacle-reporting module, wherein the output end of the first detection module is connected with the input end of the second detection module, the output end of the second detection module is bidirectionally connected with the self-repairing module, the first detection module is bidirectionally connected with the self-repairing module, the output end of the self-repairing module is connected with the input end of the obstacle-reporting module, whether the four-way valve is switched in place or not is judged through system parameter change, whether the system is normal or not is judged, if the four-way valve is not switched in place, the resistance of the four-way valve during switching is reduced by reducing the system pressure difference, and the four-way valve is frequently electrified and impacted, so that the four-way valve is automatically repaired and switched in place, and the failure rate of the four-way valve during system operation is reduced; the first detection module is a temperature detection module, and when the air conditioner operates at the maximum power, whether the four-way valve is blocked or not is judged through detecting the indoor and outdoor temperature difference; the temperature detection module detects the indoor and outdoor temperature difference during the heating operation of the air conditioner, when the indoor temperature is higher than the outdoor temperature, the four-way valve is normally opened, and when the indoor temperature is lower than or equal to the outdoor temperature, the four-way valve is blocked, and the self-repairing module operates; the second detection module is a pressure detection module, and detects the difference value of high pressure and low pressure in the four-way valve when the heating effect is poor due to incomplete opening of the four-way valve; the pressure detection module detects the difference value of high pressure and low pressure in the four-way valve during the heating operation of the air conditioner, and when the difference value of the high pressure and the low pressure is less than 1 MPa, the four-way valve is not completely opened, the self-repairing module operates; the self-repairing module realizes self-repairing by controlling the power failure and the power on of the four-way valve, the four-way valve of an existing system can be temporarily and mechanically locked, the four-way valve can be recovered to act under most conditions by repeated impact of the power failure and the power on, and manual repairing is not needed, so that the self-repairing of the system is realized; the fault reporting module is used for controlling the four-way valve to run and turn on an indicator lamp when the power-off and power-on times of the four-way valve are controlled by the self-repairing module to be 50 times; the self-repairing system of the four-way valve for the heating operation of the air conditioner judges whether the four-way valve is switched in place or not and whether the system is normal or not through the change of system parameters, reduces the resistance when the four-way valve is switched by reducing the system pressure difference if the four-way valve is not switched in place, and frequently energizes and energizes the four-way valve to impact, so that the four-way valve is automatically repaired and switched in place, the failure rate of the four-way valve for the operation of the system is reduced, the failure problem of the four-way valve is judged and identified through the self temperature and pressure of the system, and the four-way valve can be frequently restored in place through the energizing and energizing frequent impact of the four-way valve, thereby realizing the self-inspection and self-repairing of the system failure, avoiding the complaint of users and reducing the failure complaint rate.

The working process comprises the steps that the air conditioner is started to perform heating operation, the four-way valve is powered on, the compressor operates to the highest frequency, the indoor and outdoor temperature difference is detected through the temperature detection module, whether heating is performed or not is judged, if the indoor temperature T1 is higher than the outdoor temperature T2, the four-way valve is started, and if not, a self-repairing program is started; after temperature detection, the pressure detection module detects high pressure and low pressure in the four-way valve, if the pressure difference is greater than or equal to 1 MPa, the four-way valve is opened completely in place, the air conditioner normally operates, and otherwise, a self-repairing program is started; the self-repairing program is used for increasing the rotating speed of the indoor fan to the highest rotating speed and reducing the pressure of the indoor heat exchanger; increasing the outdoor fan to the highest rotating speed for increasing the pressure of the outdoor heat exchanger; then controlling the four-way valve to be powered off for 2s and then powered on, and restoring the four-way valve to act under most conditions through repeated power-on impact; when the power-on times reach 50 times, and the temperature detection or the pressure detection still cannot reach the set value, the self-repairing system is repaired when the power-on times reach 50 times, or the air conditioner is not heated or the heating effect is poor due to other reasons, and at the moment, the fault reporting module is started and needs to be manually repaired.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.