CN203286819U - Air conditioner and obtaining device of starting value of four-way valve - Google Patents

Air conditioner and obtaining device of starting value of four-way valve Download PDF

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Publication number
CN203286819U
CN203286819U CN2013202996573U CN201320299657U CN203286819U CN 203286819 U CN203286819 U CN 203286819U CN 2013202996573 U CN2013202996573 U CN 2013202996573U CN 201320299657 U CN201320299657 U CN 201320299657U CN 203286819 U CN203286819 U CN 203286819U
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China
Prior art keywords
cross valve
liquid
entrance point
logger
conditioning
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Withdrawn - After Issue
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CN2013202996573U
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Chinese (zh)
Inventor
方祥建
董明景
陈晓东
苏永斌
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The utility model discloses an obtaining device of a starting value of a four-way valve. The device comprises a liquid state detection device arranged at an inlet end of the four-way valve and a recorder in communication connection with the liquid state detection device for recording the starting value of the four-way valve when a liquid state refrigerant flows over from the inlet end, wherein the starting value of the four-way valve is the lasting time of the liquid state refrigerant which flows over from the inlet end and/or the work condition of the inlet end. When the obtaining device of the starting value of the four-way valve disclosed by the utility model detects that the four-way valve in an air conditioner reaches the starting value of the four-way valve, the liquid state refrigerant flows over from the inlet end, and then, the refrigerant flowing into the four-way valve is a gaseous refrigerant. At the time, the four-way valve is opened and reversed, so that the four-way valve is prevented from being damaged by the refrigerant due to a large amount of the liquid state refrigerant, thereby prolonging the service life of the four-way valve. The utility model further provides the air conditioner with the starting value of the four-way valve.

Description

The deriving means of air-conditioning and cross valve startup value
Technical field
The utility model relates to air conditioner technical field, particularly the deriving means of a kind of air-conditioning and cross valve startup value.
Background technology
Cross valve is indispensable parts in refrigeration plant, by the commutation of cross valve, completes refrigeration and the switching that heats.
Through the analysis of checking of the cross valve fault part to can not normal commutation, finding to exist a certain proportion of fault part is because liquid hammer causes bracket deformation, the obturating cup of cross valve to turn up or the situation such as toner screw and can not complete normal commutation.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of air-conditioning of the prior art.
The D adapter of cross valve 02 is connected with the exhaust outlet of compressor 01, and S takes over and is connected with the air inlet of compressor, and C takes over and is connected with off-premises station 03, and E takes over and is connected with indoor set 04, by the main slide valve commutation of cross valve, completes the switching of freezing and heating.Fig. 1 is the air conditioner structure under refrigeration mode, and when to heating mode, switching, the main slide valve of cross valve 02 is taken over direction to C and moved.When the interior design of cross valve 02, certain middle flow is arranged, have small leakage-gap.In the process that main slide valve moves to C adapter direction, avoided main slide valve to shut E and taken over and make refrigerant can't flow into the situation generation of cross valve 02, and then avoided the pressure in air-conditioning system to raise suddenly.
But the ratio of viscosities gas of liquid leakage-gap much bigger and above-mentioned cross valve 02 can't be regulated by the liquid towards refrigerant.exhaust outlet at compressor 01 is full of under the state of a large amount of liquid refrigerants in cross valve 02, compressor 01 starts while with cross valve 02 commutation, carrying out simultaneously, E takes over and is shut by main slide valve, this moment cross valve 02 valve pocket in the liquid refrigerants flowing velocity of by E, taking over be zero, make refrigerant can't enter cross valve 02, and compressor 01 cut rotates (by liquid, being suppressed), be subjected to the inertia effects of motional inertia and the compressor moving component of liquid refrigerants, there will be very high pressure in air-conditioning system, cause cross valve 02 to produce " liquid hammer " fault, make the service life of cross valve 02 lower.
Therefore, how to avoid cross valve within it section be full of under the state of liquid refrigerants and start, improve the service life of cross valve, become those skilled in the art's problem demanding prompt solution.
The utility model content
In view of this, the utility model provides a kind of deriving means of cross valve startup value, by the application of cross valve startup value, avoided cross valve within it section be full of under the state of liquid refrigerants and start, improved the service life of cross valve.The utility model also provides a kind of air-conditioning.
For achieving the above object, the utility model provides following technical scheme:
The utility model provides a kind of deriving means of cross valve startup value, comprising:
Liquid checkout gear for the entrance point that is arranged on cross valve;
With described liquid checkout gear communication connection, the logger of the cross valve startup value when being used for recording liquid refrigerants and having been flowed by described entrance point, described cross valve startup value be liquid refrigerants while by described entrance point, having been flowed duration and/or the operating mode of described entrance point.
Preferably, in the deriving means of above-mentioned cross valve startup value, also comprise be used to the environmental detection set that obtains described environmental information, described environmental detection set is connected with described recorder communication.
Preferably, in the deriving means of above-mentioned cross valve startup value, described liquid checkout gear is liquid-sighting glass;
The time regulator of duration when described logger has been flowed by described entrance point to liquid refrigerants by compressor start for record.
Preferably, in the deriving means of above-mentioned cross valve startup value, described liquid checkout gear comprises: liquid-sighting glass and pressure sensitive device, and described pressure sensitive device is connected with described recorder communication;
Described logger is the pressure recorder that records the force value of liquid refrigerants when the entrance point of cross valve has flowed.
Preferably, in the deriving means of above-mentioned cross valve startup value, described liquid checkout gear comprises: liquid-sighting glass and temperature sensing device, and described temperature sensing device is connected with described recorder communication;
Described logger is the temperature recorder that records the temperature value of liquid refrigerants when the entrance point of cross valve has flowed.
Preferably, in the deriving means of above-mentioned cross valve startup value, described liquid checkout gear comprises: liquid-sighting glass, pressure sensitive device and temperature sensing device, and the three is connected with described recorder communication;
Duration and the force value of liquid refrigerants entrance point when the entrance point of cross valve has flowed and the composite record device of temperature value when described logger has been flowed by described entrance point to liquid refrigerants by compressor start for record.
The utility model also provides a kind of air-conditioning, comprises cross valve and is used for controlling the controller that described cross valve starts, and also comprise the logger that stores above-mentioned cross valve startup value, described controller is connected with described recorder communication.
Preferably, in above-mentioned air-conditioning, described logger is time regulator.
Preferably, in above-mentioned air-conditioning, also comprise the liquid-sighting glass of the entrance point that is arranged at described cross valve, described liquid-sighting glass is connected with described recorder communication.
Preferably, in above-mentioned air-conditioning, also comprise the pressure sensitive device of the entrance point that is arranged at described cross valve, described pressure sensor device and the communication connection of described controller;
Described logger is pressure recorder.
Preferably, in above-mentioned air-conditioning, also comprise the temperature sensing device of the entrance point that is arranged at described cross valve, described temperature sensing device and the communication connection of described controller;
Described logger is temperature recorder.
Preferably, in above-mentioned air-conditioning, also comprise liquid-sighting glass, pressure sensitive device and the temperature sensing device of the entrance point that is arranged at described cross valve, described temperature sensing device and the communication connection of described controller;
Described logger is the composite record device of the operating mode of duration when recording liquid refrigerants and having been flowed by described entrance point and described entrance point.
Can find out from above-mentioned technical scheme, the deriving means of the cross valve startup value that the utility model provides, duration in the time of can effectively detecting liquid refrigerants and flowed by entrance point and/or the operating mode of entrance point, thereby the duration of the operating mode of the entrance point under this state or liquid refrigerants is recorded, in order to directly apply in air-conditioning.When the cross valve in detecting air-conditioning reaches cross valve startup value, liquid refrigerants has been flowed by entrance point, the refrigerant that flows into again cross valve is the refrigerant of gaseous state, at this moment, open cross valve and make it complete commutation, the situation of effectively having avoided having a large amount of liquid refrigerants in the cross valve and damaged by the refrigerant liquid hammer, the service life of having improved cross valve.
The utility model also provides a kind of air-conditioning with above-mentioned cross valve startup value.Because the deriving means of above-mentioned cross valve startup value has above-mentioned effect, the deriving means of cross valve startup value and the air-conditioning with above-mentioned cross valve startup value also should have same technique effect, at this, introduce no longer one by one.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of air-conditioning of the prior art;
The structural representation of the first specific embodiment under refrigerating state of the air-conditioning that Fig. 2 provides for the utility model embodiment;
The first specific embodiment of the air-conditioning that Fig. 3 provides for the utility model embodiment is at the structural representation that heats under state;
The structural representation of the second specific embodiment under refrigerating state of the air-conditioning that Fig. 4 provides for the utility model embodiment;
The second specific embodiment of the air-conditioning that Fig. 5 provides for the utility model embodiment is at the structural representation that heats under state;
The structural representation of the third specific embodiment under refrigerating state of the air-conditioning that Fig. 6 provides for the utility model embodiment;
The third specific embodiment of the air-conditioning that Fig. 7 provides for the utility model embodiment is at the structural representation that heats under state;
The structural representation of the 4th kind of specific embodiment under refrigerating state of the air-conditioning that Fig. 8 provides for the utility model embodiment;
The 4th kind of specific embodiment of the air-conditioning that Fig. 9 provides for the utility model embodiment is at the structural representation that heats under state.
The specific embodiment
The utility model discloses a kind of deriving means of cross valve startup value, by the application of cross valve startup value, avoided cross valve within it section be full of under the state of liquid refrigerants and start, improved the service life of cross valve.The utility model also provides a kind of application that the air-conditioning of above-mentioned cross valve startup value is arranged.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment that obtains, and all belong to the scope of the utility model protection.
The utility model embodiment also provides a kind of deriving means of cross valve startup value, comprising: for the liquid checkout gear of the entrance point that is arranged on cross valve; With the communication connection of liquid checkout gear, the logger of the cross valve startup value when being used for recording liquid refrigerants and having been flowed by entrance point, cross valve startup value be liquid refrigerants while by entrance point, having been flowed duration and/or the operating mode of entrance point.
Deriving means by cross valve startup value that the utility model embodiment is provided is applied in air-conditioning to be detected, measure the cross valve startup value of this air-conditioning, and complete the commutation of cross valve while making cross valve in air-conditioning reach cross valve startup value, the situation of effectively having avoided having a large amount of liquid refrigerants in the cross valve and damaged by the refrigerant liquid hammer, the service life of having improved cross valve.
Further, also comprise that be used to the environmental detection set that obtains environmental information, environmental detection set is connected with recorder communication.Also can, with the master control borad of air-conditioning to be measured and corresponding temperature-detecting device as environmental detection set, by the air-conditioning direct-detection, go out environmental information.
In the first embodiment, liquid checkout gear is liquid-sighting glass; The time regulator of duration when logger has been flowed by entrance point to liquid refrigerants by compressor start for record.Go out the duration by the liquid-sighting glass direct-detection, be recorded in time regulator.
In the second embodiment, liquid checkout gear comprises: liquid-sighting glass and pressure sensitive device, and the pressure sensitive device is connected with recorder communication; Logger is the pressure recorder that records liquid refrigerants force value of entrance point when the entrance point of cross valve has flowed.Wherein, liquid-sighting glass can be connected with recorder communication, in order to directly record the force value that the pressure sensitive device detects when the entrance point of cross valve has flowed at liquid refrigerants; Also can manual observation, detect the state of liquid refrigerants in the entrance point circulation of cross valve by liquid-sighting glass, when the entrance point of cross valve flow, manually-operated pressure sensitive device general force value at that time passed to pressure recorder, completes record at liquid refrigerants.
In the third embodiment, liquid checkout gear comprises: be arranged at liquid-sighting glass and the temperature sensing device of the entrance point of cross valve, temperature sensing device is connected with recorder communication; Logger is the temperature recorder that records liquid refrigerants temperature value of entrance point when the entrance point of cross valve has flowed.Wherein, liquid-sighting glass can be connected with recorder communication, in order to directly record the temperature value that temperature sensing device detects when the entrance point of cross valve has flowed at liquid refrigerants; Also can manual observation, detect the state of liquid refrigerants in the entrance point circulation of cross valve by liquid-sighting glass, when the entrance point of cross valve flow, manually-operated temperature sensing device general temperature value at that time passed to temperature recorder, completes record at liquid refrigerants.
In the 4th kind of embodiment, liquid checkout gear comprises: liquid-sighting glass, pressure sensitive device and temperature sensing device, and the three is connected with recorder communication; Duration and the force value of liquid refrigerants entrance point when the entrance point of cross valve has flowed and the composite record device of temperature value when logger has been flowed by entrance point to liquid refrigerants by compressor start for record.
The utility model embodiment also provides a kind of air-conditioning, comprises cross valve and is used for controlling the controller that cross valve starts, and also comprise the logger that stores above-mentioned cross valve startup value, controller is connected with recorder communication.
The air-conditioning that the utility model embodiment provides, its controller are controlled the startup of pneumatic operated valve by the cross valve startup value in logger, effectively avoided in the cross valve commutation process because of the impaired situation of liquid hammer, the service life of having improved cross valve.
As shown in Figures 2 and 3, the logger in the air-conditioning that provides of the utility model embodiment is time regulator.Be cross valve startup value for started the duration while to liquid refrigerants, by entrance point D, having been flowed by compressor 1.Air-conditioning is opened cross valve 2 after the duration after compressor 1 starts.
Further, the duration of recording in time regulator is a plurality of, and namely duration difference corresponding to varying environment,, by its environment temperature of detection of air-conditioning and operating mode, choose the corresponding with it duration as cross valve startup value.
There is the prolongation of the service time of refrigerant in fine distinction and air-conditioning due to the air-conditioning of same model, cause having error by the duration that compressor 1 starts while to liquid refrigerants, by entrance point D, having been flowed with default cross valve startup value.For fear of error, the air-conditioning that the utility model embodiment provides also comprises the liquid-sighting glass 3 of the entrance point D that is arranged at cross valve, and liquid-sighting glass 3 is connected with recorder communication.Detect by liquid-sighting glass 3, when the error between the cross valve startup value when being started the duration while to liquid refrigerants, by entrance point D, having been flowed by compressor 1 and presetting is exceeded predetermined value, the cross valve startup value in logger is proofreaied and correct.
As shown in Figure 4 and Figure 5, the air-conditioning that the utility model embodiment provides also comprises the pressure sensitive device 4 of the entrance point D that is arranged at cross valve, pressure sensor device and controller communication connection; Logger is pressure recorder.Be that cross valve startup value is the force value of liquid refrigerants entrance point D when the entrance point D of cross valve has flowed, pressure sensor device detects the pressure of the entrance point D of cross valve, and when it equaled cross valve startup value, controller was controlled cross valve and started and complete commutation.
Further, the force value that records in pressure recorder is a plurality of, and namely force value difference corresponding to varying environment,, by its environment temperature of detection of air-conditioning and operating mode, choose corresponding with it force value as cross valve startup value.
As shown in Figure 6 and Figure 7, the air-conditioning that the utility model embodiment provides also comprises the temperature sensing device 5 of the entrance point D that is arranged at cross valve, temperature sensing device and controller communication connection; Logger is temperature recorder.Be that cross valve startup value is the temperature value of liquid refrigerants entrance point D when the entrance point D of cross valve has flowed, temperature sensing device detects the temperature of the entrance point D of cross valve, and when it equaled cross valve startup value, controller was controlled cross valve and started and complete commutation.
Further, the temperature value that records in temperature recorder is a plurality of, and namely temperature value difference corresponding to varying environment,, by its environment temperature of detection of air-conditioning and operating mode, choose corresponding with it temperature value as cross valve startup value.
As shown in Figure 8 and Figure 9, the air-conditioning that the utility model embodiment provides also comprises liquid-sighting glass, pressure sensitive device 4 and the temperature sensing device 5 of the entrance point D that is arranged at cross valve, temperature sensing device and controller communication connection; Logger is the composite record device of the operating mode of duration when recording liquid refrigerants and having been flowed by entrance point D and entrance point D.Temperature value when detection is started duration while to liquid refrigerants, by entrance point D, having been flowed, force value when liquid refrigerants has been flowed by entrance point D and liquid refrigerants and flowed by entrance point D by compressor 1, and be applied in air-conditioning, when three's condition all met, cross valve started to start and complete conversion.Further avoided the liquid hit phenomenon in the cross valve transfer process.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment that between each embodiment, identical similar part is mutually referring to getting final product.
, to the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (12)

1. the deriving means of a cross valve startup value, is characterized in that, comprising:
Liquid checkout gear for the entrance point that is arranged on cross valve;
With described liquid checkout gear communication connection, the logger of the cross valve startup value when being used for recording liquid refrigerants and having been flowed by described entrance point, described cross valve startup value be liquid refrigerants while by described entrance point, having been flowed duration and/or the operating mode of described entrance point.
2. the deriving means of cross valve startup value as claimed in claim 1, is characterized in that, also comprises be used to the environmental detection set that obtains described environmental information, and described environmental detection set is connected with described recorder communication.
3. the deriving means of cross valve startup value as claimed in claim 1 or 2, is characterized in that, described liquid checkout gear is liquid-sighting glass;
The time regulator of duration when described logger has been flowed by described entrance point to liquid refrigerants by compressor start for record.
4. the deriving means of cross valve startup value as claimed in claim 1 or 2, is characterized in that, described liquid checkout gear comprises: liquid-sighting glass and pressure sensitive device, and described pressure sensitive device is connected with described recorder communication;
Described logger is the pressure recorder that records the force value of liquid refrigerants when the entrance point of cross valve has flowed.
5. the deriving means of cross valve startup value as claimed in claim 1 or 2, is characterized in that, described liquid checkout gear comprises: liquid-sighting glass and temperature sensing device, and described temperature sensing device is connected with described recorder communication;
Described logger is the temperature recorder that records the temperature value of liquid refrigerants when the entrance point of cross valve has flowed.
6. the deriving means of cross valve startup value as claimed in claim 1 or 2, is characterized in that, described liquid checkout gear comprises: liquid-sighting glass, pressure sensitive device and temperature sensing device, and the three is connected with described recorder communication;
Duration and the force value of liquid refrigerants entrance point when the entrance point of cross valve has flowed and the composite record device of temperature value when described logger has been flowed by described entrance point to liquid refrigerants by compressor start for record.
7. an air-conditioning, comprise cross valve and be used for controlling the controller that described cross valve starts, and it is characterized in that, also comprise the logger of the cross valve startup value that stores in claim 1, described controller is connected with described recorder communication.
8. air-conditioning as claimed in claim 7, is characterized in that, described logger is time regulator.
9. air-conditioning as claimed in claim 7, is characterized in that, also comprises the liquid-sighting glass of the entrance point that is arranged at described cross valve, and described liquid-sighting glass is connected with described recorder communication.
10. air-conditioning as claimed in claim 7, is characterized in that, also comprises the pressure sensitive device of the entrance point that is arranged at described cross valve, described pressure sensor device and the communication connection of described controller;
Described logger is pressure recorder.
11. air-conditioning as claimed in claim 7, is characterized in that, also comprises the temperature sensing device of the entrance point that is arranged at described cross valve, described temperature sensing device and the communication connection of described controller;
Described logger is temperature recorder.
12. air-conditioning as claimed in claim 7, is characterized in that, also comprises liquid-sighting glass, pressure sensitive device and the temperature sensing device of the entrance point that is arranged at described cross valve, described temperature sensing device and the communication connection of described controller;
Described logger is the composite record device of the operating mode of duration when recording liquid refrigerants and having been flowed by described entrance point and described entrance point.
CN2013202996573U 2013-05-28 2013-05-28 Air conditioner and obtaining device of starting value of four-way valve Withdrawn - After Issue CN203286819U (en)

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Application Number Priority Date Filing Date Title
CN2013202996573U CN203286819U (en) 2013-05-28 2013-05-28 Air conditioner and obtaining device of starting value of four-way valve

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104180572A (en) * 2013-05-28 2014-12-03 珠海格力电器股份有限公司 Air conditioner, acquiring method and acquiring device for starting value of four-way valve
CN111735164A (en) * 2020-06-29 2020-10-02 曹永民 Air conditioning system capable of continuously heating

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104180572A (en) * 2013-05-28 2014-12-03 珠海格力电器股份有限公司 Air conditioner, acquiring method and acquiring device for starting value of four-way valve
CN111735164A (en) * 2020-06-29 2020-10-02 曹永民 Air conditioning system capable of continuously heating

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