CN114877574A - Liquid storage device for new energy automobile air conditioning system and working method of liquid storage device - Google Patents
Liquid storage device for new energy automobile air conditioning system and working method of liquid storage device Download PDFInfo
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- CN114877574A CN114877574A CN202210634397.4A CN202210634397A CN114877574A CN 114877574 A CN114877574 A CN 114877574A CN 202210634397 A CN202210634397 A CN 202210634397A CN 114877574 A CN114877574 A CN 114877574A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
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Abstract
The invention relates to a liquid storage device for a new energy automobile air conditioning system and a working method thereof, wherein the liquid storage device comprises the following components: a tank body; the drying cavity is arranged in the tank body; a refrigerant charging device; further comprising: a constant temperature control system; the cleaning system is connected with the side wall of the tank body and is communicated with the drying cavity; the cavity is arranged in the inner wall of the tank body, and the bottom of the outer side of the cavity is communicated with the outside to form a connecting port; the constant temperature control system is connected with the cavity connecting port to realize liquid injection and liquid replacement to the cavity, and the cleaning system is used for discharging impurities in the drying cavity; the constant temperature control system can annotate the liquid to the cavity, pours into the coolant liquid into, can prevent that ambient temperature from to the influence of refrigerant performance, and can annotate liquid and trade liquid, has promoted the circulation of coolant liquid and has promoted the efficiency of use, and clean system can clear up the drying chamber, has promoted life and the efficiency of use, prevents the jam that the impurity is too much caused, avoids the trouble.
Description
Technical Field
The invention relates to the technical field of new energy vehicles, in particular to a liquid storage device for a new energy vehicle air conditioning system and a working method of the liquid storage device.
Background
The receiver-drier, an important component of an air conditioner, especially an automobile air conditioner, is a closed container installed in a pipeline between a condenser and an expansion valve. The liquid storage dryer can effectively store redundant refrigerant formed by different working conditions in the refrigeration system, and ensures that the refrigerant is liquid medium before entering the expansion valve. A filtering layer and a molecular sieve drying layer are arranged in the liquid storage dryer, wherein the filtering layer is used for adsorbing residual impurities in the refrigerant, and preventing a pipeline of a refrigeration system from being blocked or influencing the refrigeration effect; the molecular sieve drying layer is used for adsorbing residual moisture in the refrigerant and preventing the residual moisture from possibly influencing the efficiency reduction of the refrigeration system. In the prior art, the liquid storage dryer can cause the increase of impurities of a filter layer and a drying layer after long-term use and filtration, the liquid passing effect is influenced, and the refrigerant cannot be supplied in time.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a liquid storage device for a new energy automobile air conditioning system and a working method thereof, so as to solve the technical problems.
The technical scheme of the invention is realized as follows: the utility model provides a new energy automobile is stock solution device for air conditioning system, includes:
a tank body;
the drying cavity is arranged in the tank body;
a refrigerant charging device;
further comprising:
a constant temperature control system;
the cleaning system is connected with the side wall of the tank body and is communicated with the drying cavity;
the cavity is arranged in the inner wall of the tank body, and the bottom of the outer side of the cavity is communicated with the outside to form a connecting port;
the constant temperature control system is connected with the cavity connecting port to inject liquid into the cavity and change the liquid, and the cleaning system is used for discharging impurities in the drying cavity.
Through adopting above-mentioned technical scheme, the thermostatic control system can annotate the liquid to the cavity, pours into the coolant liquid into, can prevent that ambient temperature from to the influence of refrigerant performance, and can annotate liquid and trade liquid, has promoted the circulation of coolant liquid and has promoted the efficiency of using, and clean system can clear up the drying chamber, has promoted life and the efficiency of using, prevents the jam that impurity too much caused, avoids the trouble.
The invention is further configured to: be equipped with a plurality of reinforcing plates that set up along cavity length direction interval on the inner wall of cavity, the reinforcing plate includes:
a first connection portion;
a second connecting portion;
a circulation section;
the first connecting part and the second connecting part are respectively arranged on the outer cavity wall and the inner cavity wall of the cavity and are staggered up and down, one end of the circulating part is connected with the first connecting part, and the other end of the circulating part is connected with the second connecting part to form an inclined shape.
Through adopting above-mentioned technical scheme, first connecting portion and second connecting portion set up for the annular, and circulation portion also sets up the multiunit for the annular sets up, and the intensity of the jar body can be guaranteed to this structure, and through the effect of the performance coolant liquid that multistage reinforcing plate can be better, the circulation of coolant liquid is made things convenient for in the setting up of circulation portion.
The invention is further configured to: the constant temperature control system comprises;
driving the pump;
a liquid storage tank;
the reversing warning device comprises a first liquid inlet, a first liquid outlet, a universal port and a reversing valve core;
wherein, the one end of liquid reserve tank is connected with the first inlet of switching-over attention device, the driving pump is located between first inlet and the liquid reserve tank, general mouth is connected the notes liquid and trade liquid that realize the cavity with the connector, first liquid outlet and first inlet parallel arrangement.
By adopting the technical scheme, the structure facilitates the filling and the replacement of the cooling liquid in time, the use efficiency and the constant temperature effect are improved, and the reversing alarm is convenient to realize the function.
The invention is further configured to: a first one-way valve is arranged between the driving pump and the first liquid inlet.
By adopting the technical scheme, the coolant can be prevented from flowing backwards during filling, and the filling effect is improved.
The invention is further configured to: the diversion warning indicator further comprises:
the pressure detection units are arranged on the two side walls of the first liquid outlet and the first liquid inlet respectively;
wherein, the pressure detection unit comprises a first detection module, a second detection module and a liquid inlet hole, one end of the first detection module is connected with the liquid inlet hole, the second detection module is arranged above the first detection module, the first detection module comprises a first pressure sensor and a diaphragm, the diaphragm is arranged at the outer side of the first pressure sensor, the first pressure sensor and the inner side of the diaphragm form a trapezoidal first pressure cavity, the second detection module comprises a limiting block, a driving rod, a pressing sheet, a contact and a second pressure sensor, the driving rod is arranged at the middle part of the limiting block and can reciprocate along the limiting block, the upper end of the limiting block forms a second pressure cavity, the second pressure sensor is connected with the top of the pressure cavity, the contact is arranged at one end of the driving rod far away from the liquid inlet hole and is used for being matched with the second pressure sensor, the pressing sheet is arranged at the other end of the driving rod.
Through adopting above-mentioned technical scheme, this pressure detection unit can detect whether take place to damage or reveal the switching-over case, sets up first detection module and second detection module simultaneously, can play and prevent that one of them damage the back can't be timely carry out the effect that detects.
The invention is further configured to: when the first liquid inlet and the second liquid inlet simultaneously generate fluid flow, and the fluid enters the first pressure cavity through the liquid inlet hole, the diaphragm deforms under the action of pressure, and the first pressure sensor is pressed to alarm; when the pressure intensity is larger, the driving rod is pressed to move towards the second pressure sensor, and the contact is contacted with the second pressure sensor to give an alarm.
Through adopting above-mentioned technical scheme, this structure has promoted the effect of using, and can carry out accurate detection whether take place to reveal or damage.
The invention is further configured to: the cleaning system includes:
the cleaning assembly is used for sucking out impurities in the drying cavity, filtering and refluxing the impurities to the refrigerant filling device for reuse;
and the power assembly drives the cleaning assembly to realize separate driving control.
Through adopting above-mentioned technical scheme, this clean subassembly can be timely clear up the drying chamber, and has realized recycling of refrigerant, and power component's branch drives the occupation that control can reduce the space, and maximize space utilization simplifies the structure, can cooperate clean subassembly to accomplish different actions and functions simultaneously.
The invention is further configured to: the cleaning assembly includes:
a filtering self-cleaning unit;
a shunt drive unit;
the shunting driving unit is used for driving the refrigerant containing impurities to enter the filtering self-cleaning unit for filtering, and then enters the shunting driving unit for shunting.
By adopting the technical scheme, the filtering self-cleaning unit can filter impurities and can complete self-cleaning, and the shunting driving unit is matched with the filtering self-cleaning unit to realize filtering and self-cleaning.
The invention is further configured to: the power assembly includes:
a motor;
a first gear;
a second gear intermeshed with the first gear;
a first jaw wheel;
a second jaw wheel;
a first drive column;
a second drive column;
the first claw wheel disc is arranged in the first gear, the second claw wheel disc is arranged in the second gear, the output end of the motor is connected with the first gear, one end of the first driving column is connected with the edge of the first claw wheel disc, the other end of the first driving column is movably connected with the filtering self-cleaning unit, one end of the second driving column is connected with the edge of the second claw wheel disc, and the other end of the second driving column is movably connected with the shunting driving unit.
Through adopting above-mentioned technical scheme, this simple structure can realize dual control through a motor, and simple structure, and the space occupies obvious reduction.
A working method of a liquid storage device for a new energy automobile air conditioning system comprises the following steps:
s1, the driving pump is started to pump out the cooling liquid in the liquid storage tank, the cooling liquid enters the cavity through the first liquid inlet and the universal port of the reversing alarm, and the first liquid outlet is in a closed state at the moment;
s2, setting the liquid changing time to be S, when the liquid changing time is reached, closing the first liquid inlet by the reversing alarm, opening the first liquid outlet, discharging the cooling liquid, and repeating the step S1 after the cooling liquid is discharged;
s3, when the first liquid inlet or the first liquid outlet is closed, the corresponding first liquid outlet or the first liquid inlet is in an open state, at the moment, cooling liquid enters the first detection module through the liquid inlet hole, the first pressure sensors are pressed, and when the two first pressure sensors are pressed simultaneously, an alarm is given; when the pressure rises, the driving rod moves towards the direction of the second pressure sensor, the second pressure sensor is contacted with the contact at the moment, and when the two second pressure sensors are contacted simultaneously, an alarm is given;
s4, when a large amount of impurities of the refrigerant are deposited in the drying cavity, the motor is started to drive the first gear to rotate forwards, then the second gear rotates backwards, at the moment, the first claw wheel disc is in an emptying state, the second claw wheel disc and the second gear rotate in a linkage manner to drive the flow dividing driving unit to move, at the moment, the impurities and the refrigerant in the drying cavity are sucked out and enter the filtering self-cleaning unit to be subjected to impurity removal, and the clean refrigerant enters the flow dividing driving unit to flow back to the refrigerant filling device;
s5, when the motor drives the first gear to rotate reversely, the second gear rotates normally, the first claw wheel disc is linked with the first gear, the second claw wheel disc is in an emptying state, and the flow of the filtering self-cleaning unit is adjusted at the moment.
By adopting the technical scheme, the method can realize the effects of automatically adding liquid and replacing liquid by high efficiency, the effect of constant temperature control is improved, the using effect of the refrigerant in the tank body is ensured, the drying chamber is conveniently and automatically cleaned, and the convenience is obviously improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a partial cross-sectional view of a fluid reservoir in accordance with an embodiment of the present invention;
FIG. 2 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of the portion B of FIG. 2 according to the preferred embodiment of the present invention;
FIG. 5 is an enlarged view of the point C in FIG. 2 according to an embodiment of the present invention.
Reference numerals: 1. a tank body; 101. a drying chamber; 102. a cavity; 103. a first connection portion; 104. a second connecting portion; 105. a circulation section; 2. a refrigerant charging device; 3. a constant temperature control system; 300. driving the pump; 301. a liquid storage tank; 302. a reversing alarm; 303. a first liquid inlet; 304. a second liquid outlet; 305. a universal port; 306. a reversing valve core; 307. a first check valve; 308. a pressure detection unit; 309. a liquid inlet hole; 310. a first pressure sensor; 311. a membrane; 312. a first pressure chamber; 313. a limiting block; 314. a drive rod; 315. tabletting; 316. a second pressure sensor; 317. a second pressure chamber; 4. a cleaning assembly; 400. a first housing; 401. a chamber; 402. a cylindrical filter screen; 403. an adjusting plug; 404. a first inlet; 405. a first outlet; 406. a second outlet; 407. a flow channel; 408. a first drive chamber; 409. a second drive chamber; 410. a first driving block; 411. a second driving block; 412. a reset spring; 413. a second inlet; 414. a third inlet; 415. a third outlet; 416. a fourth outlet; 417. a partition plate; 5. a power assembly; 500. a motor; 501. a first gear; 502. a second gear; 503. a first jaw wheel; 504. a second jaw wheel; 505. a first drive column; 506. a second drive column; 507. a claw sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 5, the present invention discloses a liquid storage device for a new energy vehicle air conditioning system, including: a tank body 1; the drying cavity 101 is arranged in the tank body 1; a refrigerant charging device 2; further comprising: a constant temperature control system 3; the cleaning system is connected with the side wall of the tank body 1 and is communicated with the drying cavity 101; the cavity 102 is arranged in the inner wall of the tank body 1, the tank body 1 is divided into two layers by the cavity 102, and the bottom of the outer side of the cavity 102 is communicated with the outside to form a connecting port; the constant temperature control system 3 is connected with a connecting port of the cavity 102 to realize liquid injection and liquid replacement to the cavity 102, and the cleaning system is used for discharging impurities in the drying cavity 101.
Thermostatic control system 3 can annotate the liquid to cavity 102, pours into the coolant liquid into, can prevent that ambient temperature from to the influence of refrigerant performance, and can annotate liquid and trade liquid, has promoted the circulation of coolant liquid and has promoted the efficiency of using, and clean system can clear up drying chamber 101, has promoted life and the efficiency of using, prevents the jam that impurity is too much caused, avoids the trouble. The cleaning system can not only clean the drying chamber 101, but also clean itself. The refrigerating fluid is added in the side wall of the tank body 1, so that the pressure increase caused by the evaporation of the refrigerant due to the heating of the tank body 1 caused by the weather reason or the heat generation of the vehicle in the running process can be prevented to the maximum extent.
Be equipped with a plurality of reinforcing plates that set up along cavity 102 length direction interval on the inner wall of cavity 102, the reinforcing plate includes: a first connection portion 103; a second connecting portion 104; a circulation section 105; the first connecting portion 103 and the second connecting portion 104 are respectively disposed on an outer cavity wall and an inner cavity wall of the cavity 102 and are staggered up and down, the outer cavity wall and the inner cavity wall are an outer cavity wall and an inner cavity wall inside the cavity, one end of the circulating portion 105 is connected with the first connecting portion 103, and the other end of the circulating portion is connected with the second connecting portion 104 to form an inclined shape. First connecting portion 103 and second connecting portion 104 set up for the annular, and circulation portion 105 also sets up the multiunit for the annular sets up, and this structure can guarantee jar body 1's intensity, and the effect of performance coolant liquid that can be better through multistage reinforcing plate, and circulation portion 105's setting makes things convenient for the circulation of coolant liquid.
The constant temperature control system 3 comprises; driving the pump 300; a liquid storage tank 301; the reversing warning indicator 302 comprises a first liquid inlet 303, a first liquid outlet, a universal port 305 and a reversing valve core 306; wherein, the one end of liquid reserve tank 301 is connected with the first inlet 303 of switching-over attention device 302, driving pump 300 is located between first inlet 303 and the liquid reserve tank 301, general mouth 305 is connected with the connector and realizes annotating liquid and changing liquid of cavity 102, first liquid outlet and first inlet 303 parallel arrangement. This structure has made things convenient for in time to the filling and the change of coolant liquid, has promoted the efficiency of using and constant temperature's effect, and the realization of this function has been convenient for in setting up of switching-over attention device 302, and first inlet 303 forms the inlet line with general mouthful 305 cooperation, and first liquid outlet forms the liquid pipeline with general mouthful 305 cooperation, and switching-over case 306 can realize switching over the pipeline under the operating mode of difference in order to reach the purpose of feed liquor or play liquid.
A first one-way valve 307 is arranged between the driving pump 300 and the first liquid inlet 303. The coolant liquid can be prevented from flowing backwards during filling, the filling effect is improved, and the refrigerating liquid can not run off under the condition that the direction of the reversing valve core 306 is not changed if the filling is finished, so that a good effect is achieved.
The divert alert 302 further comprises: the pressure detection units 308 are arranged on the two side walls of the first liquid outlet and the first liquid inlet 303 respectively, and can monitor the first liquid outlet and the first liquid inlet 303 in real time; wherein, the pressure detection unit 308 comprises a first detection module, a second detection module and a liquid inlet 309, one end of the first detection module is connected with the liquid inlet 309, the second detection module is arranged above the first detection module, the first detection module comprises a first pressure sensor 310 and a diaphragm 311, the diaphragm 311 is arranged at the outer side of the first pressure sensor 310, the first pressure sensor 310 and the inner side of the diaphragm 311 form a trapezoidal first pressure cavity 312, when the first pressure cavity 312 enters fluid, the diaphragm 311 is pressed to deform, so that the first pressure sensor 310 obtains signals, and the two first pressure sensors 310 both obtain signals and then give an alarm, the second detection module comprises a limit block 313, a driving rod 314, a pressing sheet 315, a contact and a second pressure sensor 316, the driving rod 314 is arranged at the middle part of the limit block 313 and can move back and forth along the limit block 313, the upper end of the limit block 313 forms a second pressure cavity 317, the second pressure sensor 316 is connected with the top of the second pressure cavity 317, the contact is arranged at one end of the driving rod 314 far away from the liquid inlet 309 and is used for matching with the second pressure sensor 316, the pressing sheet 315 is arranged at the other end of the driving rod 314, the position of the driving rod 314 corresponds to the position of the liquid inlet 309, a reset spring is sleeved outside the driving rod 314, one end of the spring is fixedly connected with the contact, the other end of the spring is fixedly connected with the limit block 313, the driving rod 314 can be automatically reset after being pushed, when the pressure disappears, the pressing sheet 315 is arc-shaped, the fluid can be better gathered to realize the pushing effect on the driving rod 314, when leakage occurs, the first detection module can achieve the detection effect when the fluid is small, the detection can be performed, when the fluid is large, the second detection module and the first detection module can both perform detection and generate a signal source, and when first detection module damaged, the effect of emergent can be played to the second detection module, and when the second detection module damaged, the effect of emergent can be played to first detection module, be equipped with the sealing washer on the stopper 313, the sealing washer is located the contact department of actuating lever 314 and stopper 313, plays certain sealed effect. The pressure detection unit 308 can detect whether the reversing valve core 306 is damaged or leaked, and the first detection module and the second detection module are arranged at the same time, so that the effect of preventing one of the reversing valve core from being damaged and then being incapable of being detected in time can be achieved.
When the first liquid inlet 303 and the second liquid inlet 304 simultaneously generate fluid flow, and the fluid enters the first pressure cavity 312 through the liquid inlet hole 309, the diaphragm 311 deforms under the action of pressure, and the first pressure sensor 310 is pressed to alarm; when the pressure is higher, the driving rod 314 is pressed to move towards the second pressure sensor 316, and the contact is contacted with the second pressure sensor 316 to alarm. This structure has promoted the effect of using, and can carry out whether accurate detection takes place to reveal or damage.
The cleaning system includes: the cleaning assembly 4 is used for sucking out impurities in the drying cavity 101, filtering and refluxing the impurities to the refrigerant filling device 2 for reuse; and the power assembly 5 drives the cleaning assembly 4 to realize separate driving control. This clean subassembly 4 can be timely clear up dry chamber 101, and realized the reuse of refrigerant, the branch of power component 5 drives the occupation that control can reduce the space, and maximize space utilization simplifies the structure, can cooperate clean subassembly 4 to accomplish different actions and functions simultaneously.
The cleaning assembly 4 comprises:
a filtering self-cleaning unit comprising: the refrigerant flow control device comprises a first shell 400, a chamber 401, a cylindrical filter screen 402, a regulating plug 403, a first inlet 404, a first outlet 405, a second outlet 406 and flow channels 407, wherein the cylindrical filter screen 402 is arranged in the chamber 401 and seals two ends of the chamber 401, the flow channels 407 are distributed on the outer side of the cylindrical filter screen 402, the first inlet 404 is arranged on one side of the first shell 400, the side is the side surface of the cylindrical filter screen 402 so that refrigerant can flow in through the cylindrical filter screen 402, the first outlet 405 is arranged on the other side of the second shell and is staggered with the first inlet 404, the first inlet 404 and the first outlet 405 are communicated with the chamber 401 and the flow channels 407, the second outlet 406 is in a folded angle shape, one end of the second outlet 406 is communicated with the inside of the sealed part of the cylindrical filter screen 402, the other end of the second outlet extends outwards, and the regulating plug 403 is arranged in the cylindrical filter screen 402;
a shunt drive unit, the shunt drive unit comprising: a first driving chamber 408, a second driving chamber 409, a first driving block 410, a second driving block 411, a return spring 412, a second inlet 413, a third inlet 414, a third outlet 415, a fourth outlet 416, and a partition 417, wherein the first driving chamber 408 and the second driving chamber 409 are communicated with each other and are vertically arranged, the second inlet 413 and the third outlet 415 are arranged on both sides of the first driving chamber 408 along a uniform axis and are perpendicular to the first driving chamber 408, the partition 417 is arranged in the first driving chamber 408 and is positioned on one side close to the second driving chamber 409, the partition 417 is capable of reciprocating, the first driving block 410 is arranged in the first driving chamber 408, the second driving block 411 is arranged in the second driving chamber 409, the return spring 412 is arranged on one side of the second driving block 411, which is the side far from the first driving chamber 408, and the return spring 412 is positioned on the edge of the second driving block 411, under normal conditions, the second driving block 411 props against the junction of the first driving chamber 408 and the second driving chamber 409 to seal the junction, the third inlet 414 and the fourth outlet 416 are arranged in parallel and on the same side, the first outlet 405 is connected with the third inlet 414, a second one-way valve is arranged in the middle, the second outlet 406 is connected with the second inlet 413, a third one-way valve is arranged in the middle, the third outlet 415 is connected with the refrigerant filling device 2, a fourth one-way valve is arranged on the pipeline of the third outlet 415, the fourth outlet 416 is connected with a waste discharge box, and a fifth one-way valve is arranged on the pipeline of the fourth outlet 416; the shunting driving unit is used for driving the refrigerant containing impurities to enter the filtering self-cleaning unit for filtering, and then enters the shunting driving unit for shunting.
The working principle of the cleaning component 4 is as follows: when the output efficiency is reduced due to more impurity deposition in the drying cavity 101, the first driving block 410 works, the partition plate 417 rises to close the farthest movement distance of the first driving block 410, the first driving block 410 continuously reciprocates to generate negative pressure, impurities and refrigerant in the drying cavity 101 enter the flow channel 407 through the first inlet 404, the impurities are separated out through the cylindrical filter screen 402, the refrigerant enters the cylindrical filter screen 402, enters the second inlet 413 through the second outlet 406, and is discharged into the refrigerant filling device 2 through the third outlet 415 for recycling; the adjusting plug 403 is close to the second outlet 406 in the initial state, most impurities are accumulated at the position, the flow rate is reduced, the adjusting plug 403 moves to the side far away from the second outlet 406 under the action of the power assembly 5, the opening width is lifted, and the flow rate is ensured to be constant; when a lot of impurities accumulated on the whole cylindrical filter screen 402 cannot be adjusted to achieve constant flow, the partition plate 417 descends to remove the closure of the first driving chamber 408, under the action of the power assembly 5, the first driving block 410 moves towards the second chamber 401 under the working condition of closing the second inlet 413 and the third outlet 415 to drive the second driving block 411 to work, negative pressure is generated in the second driving chamber 409 at the second driving block 411, the impurities in the drying chamber 101 can be pumped out again to enter the first inlet 404 to flush the cylindrical filter screen 402, the impurities and part of refrigerant enter the third inlet 414 through the first outlet 405 and are discharged through the fourth outlet 416, and self-cleaning is achieved.
The self-cleaning filtering unit can filter impurities and complete self-cleaning, and the shunt driving unit is matched with the self-cleaning filtering unit to realize filtering and self-cleaning.
The power assembly 5 includes: a motor 500; a first gear 501; a second gear 502 engaged with the first gear 501; a first jaw wheel 503; a second jaw wheel 504; a first drive column 505; a second drive column 506; the first claw wheel disc 503 is arranged in the first gear 501, the second claw wheel disc 504 is arranged in the second gear 502, the output end of the motor 500 is connected with the first gear 501, one end of the first driving column 505 is connected with the edge of the first claw wheel disc 503, the other end of the first driving column is movably connected with the filtering self-cleaning unit, one end of the second driving column 506 is connected with the edge of the second claw wheel disc 504, and the other end of the second driving column is movably connected with the shunt driving unit; first claw rim plate 503 is the same with second claw rim plate 504 structure, and the outside of claw rim plate is equipped with claw piece 507, claw piece 507 is arranged along claw rim plate circumference, and the one end and the claw rim plate fixed connection of claw piece 507, the other end perk, be equipped with the meshing groove rather than corresponding on first gear 501 and the second gear 502, when the gear is just reversing in turn, can realize the drive respectively to claw rim plate to the feasible drive to first drive block 410 and second drive block 411, and the loss of motor 500 is little, because the drive number of times of adjusting stopper 403 is less relatively, therefore the alternate probability of just reversing reduces, can prolong motor 500 life.
This simple structure can realize dual control through a motor 500, and simple structure, and the space occupies and obviously reduces.
A working method of a liquid storage device for a new energy automobile air conditioning system comprises the following steps:
s1, the driving pump 300 is started to pump out the cooling liquid in the liquid storage tank 301, the cooling liquid enters the cavity 102 through the first liquid inlet 303 and the universal port 305 of the reversing alarm 302, and at the moment, the first liquid outlet is in a closed state;
s2, setting the liquid changing time to be S, when the liquid changing time is reached, closing the first liquid inlet 303 by the reversing alarm 302, opening the first liquid outlet, discharging the cooling liquid, and repeating the step S1 after the cooling liquid is discharged;
s3, when the first liquid inlet 303 or the first liquid outlet is closed, the corresponding first liquid outlet or the first liquid inlet 303 is in an open state, at the moment, cooling liquid enters the first detection module through the liquid inlet hole 309, the first pressure sensors 310 are pressed, and when the two first pressure sensors 310 are pressed simultaneously, an alarm is given; when the pressure is increased, the driving rod 314 moves towards the direction of the second pressure sensor 316, the second pressure sensor 316 is contacted with the contact, and when two second pressure sensors 316 are contacted simultaneously, an alarm is generated;
s4, when a large amount of impurities of the refrigerant are deposited in the drying cavity 101, the motor 500 is started to drive the first gear 501 to rotate forwards and then the second gear 502 rotates backwards, at the moment, the first claw wheel disc 503 is in an emptying state, the second claw wheel disc 504 and the second gear 502 rotate in a linkage mode to drive the shunting driving unit to move, at the moment, the impurities and the refrigerant in the drying cavity 101 are sucked out and enter the filtering self-cleaning unit to be subjected to impurity removal, and the clean refrigerant enters the shunting driving unit to flow back to the refrigerant filling device 2;
s5, when the motor 500 drives the first gear to rotate reversely, the second gear 502 rotates normally, the first claw wheel disc 503 is linked with the first gear 501, the second claw wheel disc 504 is in an emptying state, and at the moment, the flow of the filtering self-cleaning unit is adjusted.
By adopting the technical scheme, the method can realize the efficient automatic liquid adding and liquid changing effects, the effect of constant temperature control is improved, the using effect of the refrigerant in the tank body 1 is ensured, the drying chamber 101 is conveniently and automatically cleaned, and the convenience is obviously improved.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a new energy automobile is stock solution device for air conditioning system, includes:
a tank body (1);
the drying cavity (101) is arranged in the tank body (1);
a refrigerant charging device (2);
it is characterized by also comprising:
a thermostatic control system (3);
the cleaning system is connected with the side wall of the tank body (1) and is communicated with the drying cavity (101);
the cavity (102) is arranged in the inner wall of the tank body (1), and the bottom of the outer side of the cavity (102) is communicated with the outside to form a connecting port;
the constant temperature control system (3) is connected with a connecting port of the cavity (102) to realize liquid injection and liquid replacement of the cavity (102), and the cleaning system is used for discharging impurities in the drying cavity (101).
2. The liquid storage device for the new energy automobile air conditioning system according to claim 1, wherein a plurality of reinforcing plates are arranged on an inner wall of the cavity (102) at intervals along a length direction of the cavity (102), and each reinforcing plate comprises:
a first connection section (103);
a second connection portion (104);
a circulation unit (105);
the first connecting part (103) and the second connecting part (104) are respectively arranged on the outer cavity wall and the inner cavity wall of the cavity (102) and are staggered up and down, one end of the circulating part (105) is connected with the first connecting part (103), and the other end of the circulating part is connected with the second connecting part (104) to form an inclined shape.
3. The liquid storage device for the new energy automobile air conditioning system according to claim 1, wherein the thermostatic control system (3) comprises;
a drive pump (300);
a reservoir (301);
the reversing warning device (302) comprises a first liquid inlet (303), a first liquid outlet (304), a universal port (305) and a reversing valve core (306);
wherein, the one end of liquid reserve tank (301) is connected with first inlet (303) of switching-over attention device (302), driving pump (300) are located between first inlet (303) and liquid reserve tank (301), general mouth (305) are connected with the connector and realize the notes liquid and the liquid change of cavity (102), first liquid outlet (304) and first inlet (303) parallel arrangement.
4. The liquid storage device for the new energy automobile air conditioning system according to claim 3, characterized in that: a first one-way valve (307) is arranged between the driving pump (300) and the first liquid inlet (303).
5. The liquid storage device for the new energy automobile air conditioning system according to claim 3, wherein the reversing alarm (302) further comprises:
the pressure detection units (308) are arranged, and the two pressure detection units (308) are respectively positioned on the side walls of the first liquid outlet and the first liquid inlet (303);
wherein the pressure detection unit (308) comprises a first detection module, a second detection module and a liquid inlet hole (309), one end of the first detection module is connected with the liquid inlet hole (309), the second detection module is arranged above the first detection module, the first detection module comprises a first pressure sensor (310) and a diaphragm (311), the diaphragm (311) is positioned at the outer side of the first pressure sensor (310), the first pressure sensor (310) and the inner side of the diaphragm (311) form a trapezoidal first pressure cavity (312), the second detection module comprises a limit block (313), a driving rod (314), a pressing sheet (315), a contact and a second pressure sensor (316), the driving rod (314) is arranged in the middle of the limit block (313) and can reciprocate along the limit block (313), and the upper end of the limit block (313) forms a second pressure cavity (317), the second pressure sensor (316) is connected with the top of the second pressure cavity (317), the contact is arranged at one end of the driving rod (314) far away from the liquid inlet hole (309) and is used for being matched with the second pressure sensor (316), and the pressing sheet (315) is arranged at the other end of the driving rod (314).
6. The liquid storage device for the new energy automobile air conditioning system according to claim 5, characterized in that: when the first liquid inlet (303) and the second liquid inlet (304) simultaneously generate fluid flow, and when the fluid enters the first pressure cavity (312) through the liquid inlet hole (309), the diaphragm (311) deforms under the action of pressure, and the first pressure sensor (310) is pressed to alarm; when the pressure is higher, the driving rod (314) is pressed to move towards the second pressure sensor (316), and the contact is contacted with the second pressure sensor (316) to alarm.
7. The liquid storage device for the new energy automobile air conditioning system according to claim 1, characterized in that: the cleaning system includes:
the cleaning assembly (4) is used for sucking impurities in the drying cavity (101) out, filtering and refluxing the impurities to the refrigerant filling device (2) for reuse;
the power assembly (5) drives the cleaning assembly (4) to realize separate driving control.
8. The liquid storage device for the new energy automobile air conditioning system according to claim 7, wherein the cleaning assembly (4) comprises:
a filtering self-cleaning unit;
a shunt drive unit;
the shunting driving unit is used for driving the refrigerant containing impurities to enter the filtering self-cleaning unit for filtering, and then enters the shunting driving unit for shunting.
9. The liquid storage device for the new energy automobile air conditioning system according to claim 8, wherein the power assembly (5) comprises:
a motor (500);
a first gear (501);
a second gear (502) which is meshed with the first gear (501);
a first jaw wheel (503);
a second jaw wheel (504);
a first drive column (505);
a second drive column (506);
the first claw wheel disc (503) is arranged in a first gear (501), the second claw wheel disc (504) is arranged in a second gear (502), the output end of the motor (500) is connected with the first gear (501), one end of the first driving column (505) is connected with the edge of the first claw wheel disc (503), the other end of the first driving column is movably connected with the filtering self-cleaning unit, one end of the second driving column (506) is connected with the edge of the second claw wheel disc (504), and the other end of the second driving column is movably connected with the shunt driving unit.
10. An operation method of the liquid storage device for the new energy automobile air conditioning system according to any one of claims 1 to 9, characterized by comprising the following steps:
s1, the driving pump (300) is started to pump out the cooling liquid in the liquid storage tank (301), the cooling liquid enters the cavity (102) through the first liquid inlet (303) and the universal port (305) of the reversing alarm (302), and at the moment, the first liquid outlet is in a closed state;
s2, setting the liquid changing time to be S, when the liquid changing time is reached, closing the first liquid inlet (303) by the reversing alarm (302), opening the first liquid outlet, discharging the cooling liquid, and repeating the step S1 after the cooling liquid is discharged;
s3, when the first liquid inlet (303) or the first liquid outlet is closed, the corresponding first liquid outlet or the first liquid inlet (303) is in an open state, cooling liquid enters the first detection module through the liquid inlet hole (309), the first pressure sensors (310) are pressed, and when the two first pressure sensors (310) are pressed simultaneously, an alarm is given; when the pressure is increased, the driving rod (314) moves towards the direction of the second pressure sensor (316), the second pressure sensor (316) is contacted with the contact, and when two second pressure sensors (316) are contacted simultaneously, an alarm is generated;
s4, when a large amount of impurities of the refrigerant are deposited in the drying cavity (101), the motor (500) is started to drive the first gear (501) to rotate forwards, then the second gear (502) rotates backwards, at the moment, the first claw wheel disc (503) is in an emptying state, the second claw wheel disc (504) and the second gear (502) rotate in a linkage mode to drive the shunting driving unit to move, at the moment, the impurities and the refrigerant in the drying cavity (101) are sucked out and enter the filtering self-cleaning unit to remove the impurities, and the clean refrigerant enters the shunting driving unit to flow back to the refrigerant filling device (2);
s5, when the motor (500) drives the first wheel to rotate reversely, the second gear (502) rotates forwards, the first claw wheel disc (503) is linked with the first gear (501), the second claw wheel disc (504) is in an emptying state, and at the moment, the flow of the filtering self-cleaning unit is adjusted.
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| JPH09196512A (en) * | 1996-01-19 | 1997-07-31 | Orion Mach Co Ltd | Liquid coolant feeding device |
| US20040003624A1 (en) * | 2002-07-02 | 2004-01-08 | Kadle Prasad Shripad | HVAC system with cooled dehydrator |
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| CN114877574B (en) | 2022-10-14 |
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