CN211737407U

CN211737407U - Preheating system of compressor

Info

Publication number: CN211737407U
Application number: CN201922378645.XU
Authority: CN
Inventors: 徐志亮; 任小林; 王小军; 王小明; 谢进文; 邹志坚
Original assignee: ZHONGSHAN CHANGHONG ELECTRIC CO Ltd
Current assignee: ZHONGSHAN CHANGHONG ELECTRIC CO Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-23
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to the technical field of compressors, and discloses a compressor preheating system, which comprises a main system, wherein the output end of the main system is electrically connected with a shutdown timing module, the output end of the shutdown timing module is electrically connected with an exhaust temperature detection module, the output end of the exhaust temperature detection module is electrically connected with a selection module, the output end of the selection module is electrically connected with a first temperature judgment module and a second temperature judgment module, the main system and the shutdown timing module are matched with the exhaust temperature detection module and the selection module, and meanwhile, the preheating function is started by using the temperature detected by a compressor exhaust temperature sensor as a judgment condition, because the exhaust temperature sensor is very close to the compressor, the detection temperature is also the temperature which is the closest to the compressor, whether preheating is needed or not can be judged according to the real temperature of the compressor, the misjudgment is reduced, and the preheating is also avoided when, the compressor is protected from high temperature damage while saving electrical energy.

Description

Preheating system of compressor

Technical Field

The utility model relates to a technical field of compressor specifically is a compressor system of preheating.

Background

Lubricating oil inside a compressor of the inverter air conditioner becomes viscous under the low-temperature condition, starting performance is affected, and the compressor is failed to start under the severe condition, so that the compressor needs to be preheated under the low-temperature condition, the lubricating oil inside the compressor keeps good fluidity.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a compressor system of preheating, possess and reduce the erroneous judgement, still preheated when compressor high temperature has also been avoided, the protection compressor avoids the high temperature damage, save advantages such as electric energy simultaneously, the ambient temperature that has solved present usual way and has detected by utilizing outer ambient temperature sensor of stifling judges whether to open the function of preheating, but this kind of method is only to detect ambient temperature, and not compressor body temperature, if shut down after air conditioner operation a period, compressor body temperature is still higher, do not need to open the function of preheating this moment, so utilize the problem of the easy erroneous judgement of ambient temperature judgement problem.

(II) technical scheme

For realizing above-mentioned reduction erroneous judgement, also avoided still preheating when the compressor high temperature, the protection compressor avoids the high temperature damage, saves the electric energy purpose simultaneously, the utility model provides a following technical scheme: the utility model provides a compressor preheating system, including the main system, the output electricity of main system is connected with the time-out module that stops, the output electricity of time-out module is connected with exhaust temperature detection module, exhaust temperature detection module's input and the output of time-out module carry out the electricity and connect, exhaust temperature detection module's output electricity is connected with the selection module, and the input of selection module and exhaust temperature detection module's output carry out the electricity and connect, the output electricity of selection module is connected with first temperature judgment module and second temperature judgment module, and the input of first temperature judgment module and second temperature judgment module and the output of selection module carry out the electricity and connect.

Preferably, the output ends of the first temperature judging module and the second temperature judging module are electrically connected with a switch module, the input end of the switch module is electrically connected with the output ends of the first temperature judging module and the second temperature judging module, the output end of the switch module is electrically connected with a preheating opening module and a preheating closing module, and the input ends of the preheating opening module and the preheating closing module are electrically connected with the output end of the switch module.

Preferably, the output end of the second temperature judging module is electrically connected with a state maintaining module, the input end of the state maintaining module is electrically connected with the output end of the second temperature judging module, and the output end of the state maintaining module is electrically connected with the input end of the shutdown timing module.

Preferably, the output end of the shutdown timing module is further electrically connected with a timing time setting module, the input end of the timing time setting module is electrically connected with the output end of the shutdown timing module, and the timing time setting module is used for setting the preheating time after the compressor is shut down.

Preferably, the state maintaining module is used for receiving the second temperature judging module, and when the temperature of the compressor is between-6 ℃ and-1 ℃, the original switch state can be maintained.

(III) advantageous effects

Compared with the prior art, the utility model provides a compressor system of preheating possesses following beneficial effect:

1. the compressor preheating system is characterized in that a main system and a shutdown timing module are arranged to be matched with an exhaust temperature detection module and a selection module, when a compressor is shut down to a set numerical value, for example, 30 minutes later, a compressor preheating program starts to detect the exhaust temperature for 1 time every 1 minute, when the exhaust temperature is detected to be lower than minus 6 ℃, a preheating function is started, when the exhaust temperature is detected to be higher than minus 1 ℃, the preheating function is closed, when the two temperatures are between the two temperatures, the original switch state is kept unchanged, meanwhile, the preheating function is started by using the temperature detected by a compressor exhaust temperature sensor as a judgment condition, as the exhaust temperature sensor is very close to the compressor, the detection temperature is also the temperature closest to the compressor, whether preheating is needed or not can be judged according to the real temperature of the compressor, misjudgment is reduced, and preheating is avoided when the compressor is at a high temperature, the compressor is protected from high temperature damage while saving electrical energy.

2. This compressor system of preheating, through setting up timing time setting module and time module cooperation main system and switch module that stops, the user can set for the time that begins preheating after the compressor shuts down through timing time setting module to make the user set for the time value of preheating according to the actual application situation of compressor at any time, and then the effectual adaptability that has improved this system under different situation, improved the result of use of this system.

Drawings

Fig. 1 is a system block diagram of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the drawings, wherein like elements are designated by like reference numerals, wherein the terms "front", "rear", "left", "right", "upper" and "lower", "bottom" and "top" used in the following description refer to the orientation in the drawings, and the terms "inner" and "outer" refer to the orientation toward or away from the geometric center of a particular element, respectively.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a preheating system of a compressor comprises a main system, wherein the output end of the main system is electrically connected with a shutdown timing module, the output end of the shutdown timing module is electrically connected with a timing time setting module, the input end of the timing time setting module is electrically connected with the output end of the shutdown timing module, the timing time setting module is used for setting the preheating time of the compressor after shutdown, the output end of the shutdown timing module is electrically connected with an exhaust temperature detection module, the input end of the exhaust temperature detection module is electrically connected with the output end of the shutdown timing module, the output end of the exhaust temperature detection module is electrically connected with a selection module, the input end of the selection module is electrically connected with the output end of the exhaust temperature detection module, the output end of the selection module is electrically connected with a first temperature judgment module and a second temperature judgment module, and the input ends of the first temperature judgment module and the second temperature judgment module are electrically connected with the, the output electricity of first temperature judgement module and second temperature judgement module is connected with switch module, switch module's input and the output of first temperature judgement module and second temperature judgement module carry out the electricity and are connected, and switch module's output electricity is connected with preheats and opens the module and preheat the module of closing, preheat the input of opening the module and preheat the module of closing and all carry out the electricity with switch module's output and be connected, the output electricity of second temperature judgement module is connected with the state and keeps the module, the input of state maintenance module and the output of second temperature judgement module carry out the electricity and connect, the output of state maintenance module carries out the electricity with the input of time module that stops machine.

When the compressor stops to a set value, for example, 30 minutes later, the preheating program of the compressor starts to detect the exhaust temperature every 1 minute for 1 time, when the exhaust temperature is detected to be lower than minus 6 ℃, the preheating function is started, when the exhaust temperature is detected to be higher than minus 1 ℃, the preheating function is closed, and when the exhaust temperature is detected to be higher than minus 1 ℃, the original switch state is kept unchanged, the preheating function is started by arranging the main system and the stop timing module to be matched with the exhaust temperature detection module and the selection module, and simultaneously, the temperature detected by the exhaust temperature sensor of the compressor is used as a judgment condition, because the exhaust temperature sensor is very close to the compressor, the detection temperature of the exhaust temperature sensor is also the temperature which is closest to the compressor, whether the compressor needs to be preheated can be judged according to the real temperature of the compressor, the misjudgment is reduced, and, the compressor is protected from high temperature damage while saving electrical energy.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A compressor preheating system comprising a primary system, characterized in that: the output electricity of main system is connected with the time module of shutting down, the output electricity of time module of shutting down is connected with exhaust temperature detection module, the input of exhaust temperature detection module and the output of time module of shutting down carry out the electricity and connect, the output electricity of exhaust temperature detection module is connected with the selection module, and the input of selection module and the output of exhaust temperature detection module carry out the electricity and connect, the output electricity of selection module is connected with first temperature judgment module and second temperature judgment module, and the input of first temperature judgment module and second temperature judgment module and the output of selection module carry out the electricity and connect.

2. The compressor preheating system of claim 1, wherein: the output end of the first temperature judging module and the output end of the second temperature judging module are electrically connected with a switch module, the input end of the switch module is electrically connected with the output ends of the first temperature judging module and the second temperature judging module, the output end of the switch module is electrically connected with a preheating opening module and a preheating closing module, and the input ends of the preheating opening module and the preheating closing module are electrically connected with the output end of the switch module.

3. The compressor preheating system of claim 1, wherein: the output end of the second temperature judging module is electrically connected with a state maintaining module, the input end of the state maintaining module is electrically connected with the output end of the second temperature judging module, and the output end of the state maintaining module is electrically connected with the input end of the shutdown timing module.

4. The compressor preheating system of claim 1, wherein: the output end of the shutdown timing module is also electrically connected with a timing time setting module, the input end of the timing time setting module is electrically connected with the output end of the shutdown timing module, and the timing time setting module is used for setting the preheating time after the compressor is shut down.

5. A compressor preheating system according to claim 3, wherein: the state maintaining module is used for receiving the second temperature judging module, and when the temperature of the compressor is between minus 6 ℃ and minus 1 ℃, the original switch state can be kept unchanged.