A laminated liquid storage device for automobile air conditioner

Abstract

The present invention relates to the technical field of automobile air conditioners, and specifically to a stacked liquid storage device for automobile air conditioners, including a main tank body, which is composed of a first tank body, a second tank body and a third tank body stacked in sequence from top to bottom, and also includes: a refrigerant storage bin, which is arranged inside the first tank body, a connecting sleeve is arranged through the middle of the bottom surface of the first tank body, and a first delivery pipe is arranged vertically at the center of the refrigerant storage bin. The main tank body of the present invention is composed of a first tank body, a second tank body and a third tank body stacked in sequence from top to bottom, and each tank body can be detachably connected. The pipeline delivery structure between the tank bodies adopts a plug-in quick-connect quick-disconnect structure to connect. When it is necessary to replace the desiccant or clean the filter, it is only necessary to disassemble the second tank body and the third tank body without replacing the entire liquid storage device. During maintenance, the refrigerant is still stored inside the first tank body, and there is no need to release, recover and re-pressurize the refrigerant, thereby improving maintenance efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of automobile air conditioners, and in particular to a laminated liquid storage device for automobile air conditioners. Background Art

[0002] With the development of the modern automobile industry, the comfort and convenience of vehicles have become one of the focuses of consumers' attention, among which the performance and reliability of automobile air-conditioning systems are particularly critical. As an indispensable part of automobile air-conditioning systems, air-conditioning liquid storage dryers can hold a certain amount of refrigerant to ensure that the air-conditioning system has enough refrigerant to complete the refrigeration cycle. They also contain desiccant inside, which can absorb moisture and other impurities in the refrigerant to prevent these substances from causing damage to the air-conditioning system, such as ice blockage or corrosion of metal parts, and filter out particulate matter that may be present in the refrigerant, thereby ensuring the normal operation of the air-conditioning system.

[0003] However, current automotive air-conditioning reservoirs generally adopt an integrated structural design. Although this structure simplifies the manufacturing process and enhances structural stability, during the use of the reservoir, the desiccant in the reservoir will gradually absorb moisture and other impurities in the refrigerant until saturation. When the desiccant reaches its moisture absorption limit and loses the ability to further absorb, and the internal filter structure is blocked, the entire reservoir must be replaced and disassembled, which not only increases the maintenance cost, but also requires operations such as refrigerant recovery during replacement, so technicians must use corresponding professional tools to operate. It also takes a long time to re-inject refrigerant after installation and replacement, resulting in overall time-consuming and labor-intensive maintenance and low efficiency. Summary of the invention

[0004] In view of this, the purpose of the present invention is to propose a stacked liquid storage tank for automobile air conditioners, so as to solve the problem that the current automobile air conditioner liquid storage tank needs to be replaced and disassembled when the internal desiccant and filter structure need to be maintained, and the refrigerant needs to be recovered during replacement, and the overall maintenance is time-consuming, labor-intensive and inefficient.

[0005] Based on the above purpose, the present invention provides a stacked liquid storage device for automobile air conditioner, including a main tank body, wherein the main tank body is composed of a first tank body, a second tank body and a third tank body stacked in sequence from top to bottom, and further includes:

[0006] A refrigerant storage bin is arranged inside the first tank body, a connecting sleeve is arranged through the middle of the bottom surface of the first tank body, and a first delivery pipe is vertically arranged at the center of the refrigerant storage bin;

[0007] A desiccant storage bin is arranged inside the second tank body, the top end of the second tank body is detachably connected to the bottom end of the first tank body by plugging and unplugging, a connecting delivery pipe is arranged through the middle of the top surface of the second tank body, the connecting delivery pipe and the connecting sleeve are arranged corresponding to each other, and a second delivery pipe is vertically arranged at the center of the desiccant storage bin;

[0008] A closed filter bin is arranged inside the third tank body, the top end of the third tank body is detachably connected to the bottom end of the second tank body, and a unit filter screen is arranged inside the closed filter bin;

[0009] A connecting interface is arranged in the middle of the connecting sleeve and the bottom end of the first delivery pipe. A one-way delivery valve is arranged in the middle of the connecting interface. Connecting joints are arranged in the middle of the connecting delivery pipe and the top end of the second delivery pipe. The one-way delivery valve is opened when the connecting interface and the connecting joint are inserted and connected, and the one-way delivery valve is closed when the connecting interface and the connecting joint are separated from each other.

[0010] Furthermore, the bottom end of the first delivery pipe is located at the center of the bottom surface of the first tank body, and an input connecting pipe and an output connecting pipe are connected to the top end of the first tank body. The output connecting pipe is connected to the first delivery pipe, and the top end of the second delivery pipe is located on the top surface of the second tank body. An input sleeve is provided at the center of the top of the main tank body, and a central output pipe is nested at an interval inside the input sleeve. The top end of the input sleeve is connected to the input connecting pipe, and the bottom end opening of the input sleeve is located at the top of the refrigerant storage bin. The output connecting pipe is connected to the first delivery pipe through the central output pipe, and the first delivery pipe is connected to the second delivery pipe through a connecting interface and a connecting joint. The refrigerant is delivered to the refrigerant storage bin through the input connecting pipe and the input sleeve, and then transported downward to the desiccant storage bin through the connecting sleeve and the connecting delivery pipe, and then transported downward to the closed filter bin, and after being filtered through the unit filter, it is transported to the output connecting pipe in sequence by the second delivery pipe, the first delivery pipe and the central output pipe.

[0011] Furthermore, a conical channel is provided inside the one-way delivery valve, a closed valve core is slidably provided in the middle of the conical channel, a closing spring is provided above the closed valve core, a center push rod is connected at the center of the connecting joint, the center push rod and the closed valve core cooperate with each other, when the connecting interface and the connecting joint are inserted and connected, the center push rod presses the closed valve core to move upward to open the conical channel, and when the connecting interface and the connecting joint are separated from each other, the closing spring pushes the closed valve core to move downward to close the conical channel.

[0012] Furthermore, a bypass circulation opening is provided through the middle of the side wall of the first conveying pipe, and a central closing sleeve is slidably nested on the inner side of the first conveying pipe, the central closing sleeve and the bypass circulation opening are cooperated with each other, and the bypass circulation opening is kept closed by the central closing sleeve, and a traction linkage rod is connected to the bottom end of the central closing sleeve, and the central closing sleeve is connected to a closing valve core provided at the bottom end of the first conveying pipe through the traction linkage rod, and when the closing valve core moves upward to open the conical channel, the central closing sleeve is driven to move upward synchronously by the traction linkage rod to close the bypass circulation opening, and when the closing valve core moves downward to open the conical channel, the central closing sleeve is driven to move downward synchronously by the traction linkage rod to open the bypass circulation opening.

[0013] Furthermore, the bottom end of the first tank body and the top end of the second tank body are respectively connected with a fixed connection block and a sliding connection block, the fixed connection block and the sliding connection block cooperate with each other to be vertically slidably connected, a connecting locking groove is provided in the middle of the fixed connection block, a locking sleeve is horizontally provided in the middle of the sliding connection block, a connecting locking pin is nested and slidably provided on the inner side of the locking sleeve, the connecting locking pin and the connecting locking groove cooperate with each other, and an unlocking lever is connected to the rear end of the connecting locking pin.

[0014] Furthermore, an electric heating wire is arranged around the top of the desiccant storage bin, a limit switch is arranged on the top surface of the second tank body, a limit sleeve is arranged vertically on the bottom surface of the first tank body, a limit push rod is nested and slidably arranged on the inner side of the limit sleeve, a push rod spring is arranged in the middle of the limit push rod, the limit push rod and the limit switch are arranged to cooperate with each other, when the first tank body and the second tank body are connected to each other, the limit push rod presses the limit switch to keep the electric heating wire turned off, and when the first tank body and the second tank body are separated from each other, the limit push rod no longer presses the limit switch to synchronously turn on the electric heating wire.

[0015] Furthermore, the length of the central push rod arranged inside the connecting joint located in the middle of the connecting delivery pipe is smaller than the length of the central push rod arranged inside the connecting joint located at the top end of the second delivery pipe. When the first tank body and the second tank body are separated from each other, the one-way delivery valve arranged inside the connecting interface in the middle of the connecting sleeve is closed before the one-way delivery valve arranged inside the connecting interface at the bottom end of the first delivery pipe. A connecting locking groove and a half-open locking groove are respectively arranged in the middle of the fixed connecting block. Two locking sleeves are arranged in parallel in the middle of the sliding connecting block. The connecting locking pins inside the two locking sleeves are respectively cooperated with the connecting locking groove and the half-open locking groove. The bottom height of the half-open locking groove is lower than the bottom height of the connecting locking groove.

[0016] Furthermore, the top end of the third tank body is detachably and closedly connected to the bottom end of the second tank body by screwing, a plurality of unit filters are stacked inside the closed filter bin, the unit filter includes a fixed mounting ring, the fixed mounting ring is nested and slidably connected to the closed filter bin, a unit delivery pipe is connected at the center of the fixed mounting ring, serial interfaces are provided at both the upper and lower ends of the unit delivery pipe, adjacent unit delivery pipes are connected to each other via the serial interfaces, the unit delivery pipe is connected to the bottom end of the second delivery pipe via the serial interface, and a lateral opening is provided through the middle of the side wall of the unit delivery pipe.

[0017] Furthermore, an annular filter frame is nested and slidably arranged on the inner side of the fixed mounting ring, an edge sealing ring is arranged around the edge of the annular filter frame, a central filter screen is arranged in the middle of the annular filter frame, a closed sleeve is arranged at the center of the annular filter frame, the closed sleeve is nested and slidably arranged on the outer side of the unit conveying pipe, the bottom end of the closed sleeve is connected to an easy-folding support frame, a preset easy-folding bend is arranged in the middle of the easy-folding support frame, the bottom end of the closed sleeve is connected to the bottom end of the unit conveying pipe through the easy-folding support frame, and a plurality of edge connecting grooves are arranged around the lower half of the fixed mounting ring.

[0018] Furthermore, an annular electric heating tube is arranged around the inner bottom of the desiccant storage bin, a plurality of heating fins are evenly arranged around the middle of the annular electric heating tube, a heating output tube is connected to the top end of the side wall of the second tank body, an electromagnetic switch valve is arranged in the middle of the heating output tube, an unlocking coil is arranged around the middle of the locking sleeve, a humidity sensor is arranged inside the desiccant storage bin, and reset electromagnets are arranged around the bottom of the first tank body and the top of the second tank body.

[0019] Beneficial effects of the present invention: As can be seen from the above description, the present invention provides a stacked liquid storage device for automobile air conditioners, and the main tank body of the liquid storage device is composed of a first tank body, a second tank body and a third tank body stacked together from top to bottom. The various tank bodies can be detachably connected, and the pipeline conveying structure between the tank bodies adopts a plug-in quick-connect quick-disconnect structure to connect, so that the second tank body and the third tank body, namely the desiccant storage bin and the closed filter bin, can be quickly disassembled and installed. When the desiccant needs to be replaced or the filter needs to be cleaned, it is only necessary to disassemble the second tank body and the third tank body to complete the work without replacing the entire liquid storage device. During maintenance, the refrigerant is still stored in the first tank body, and there is no need to release, recover and re-pressurize the refrigerant, which not only saves material costs but also improves maintenance efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a structural schematic diagram of the main tank body in a disassembled state according to an embodiment of the present invention;

[0022] Figure 2 It is a structural schematic diagram of the main tank body of an embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of the bottom structure of the main tank body according to an embodiment of the present invention;

[0024] Figure 4 This is a schematic structural diagram of a first tank body according to an embodiment of the present invention;

[0025] Figure 5 This is a schematic diagram of the internal structure of a first tank body according to an embodiment of the present invention;

[0026] Figure 6 This is a schematic structural diagram of a first delivery pipe according to an embodiment of the present invention;

[0027] Figure 7 This is a schematic diagram of the bottom structure of the second tank body according to an embodiment of the present invention;

[0028] Figure 8 This is a schematic diagram of the top structure of the second tank body according to an embodiment of the present invention;

[0029] Fig. 9 It is a schematic diagram of the local structure of the connection between the first tank body and the second tank body according to an embodiment of the present invention;

[0030] Fig.10 It is a structural schematic diagram of a sliding connection block according to an embodiment of the present invention;

[0031] Fig.11 This is a schematic diagram of the internal structure of the second tank body according to an embodiment of the present invention;

[0032] Fig.12 It is a schematic structural diagram of a third tank body according to an embodiment of the present invention;

[0033] Fig.13 A schematic diagram of the structure of a unit filter according to an embodiment of the present invention;

[0034] Fig.14 It is a structural schematic diagram of a central filter screen in a completely blocked state according to an embodiment of the present invention.

[0035] The markings in the figure are:

[0036] 1. Main tank; 101. Refrigerant charging valve; 102. Input sleeve; 103. Central output pipe; 104. Transparent observation window; 105. Input connecting pipe; 106. Input interface; 107. Output connecting pipe; 108. Output interface; 2. First tank; 201. Refrigerant storage bin; 202. Closed bottom plate; 203. Connecting sleeve; 204. Separation spring; 205. Limit sleeve; 206. Limit push rod; 207. Push rod Spring; 3, first delivery pipe; 301, bypass circulation opening; 302, central closing sleeve; 303, traction linkage rod; 4, second tank; 401, desiccant storage bin; 402, filling opening; 403, closed top plate; 404, filter bottom plate; 405, connecting delivery pipe; 406, second delivery pipe; 407, electric heating wire; 408, limit switch; 5, connecting interface; 501, one-way delivery valve; 502, tapered channel; 50 3. Closed valve core; 504. Closed spring; 505. Connecting joint; 506. Center push rod; 6. Fixed connection block; 601. Sliding connection block; 602. Connecting locking groove; 603. Half-open locking groove; 604. Reset electromagnet; 605. Locking sleeve; 606. Reset spring; 607. Unlocking coil; 608. Connecting locking pin; 609. Unlocking lever; 7. Third tank; 701. Closed filter compartment; 702. Unit filter Net; 703, fixed mounting ring; 704, edge connecting groove; 705, unit delivery pipe; 706, lateral opening; 707, series interface; 8, annular filter frame; 801, central filter net; 802, closed sleeve; 803, easy-to-fold support frame; 804, preset easy-to-fold; 805, edge sealing ring; 9, annular electric heating tube; 901, heating fins; 902, heating output tube; 903, electromagnetic switch valve; 904, humidity sensor. DETAILED DESCRIPTION

[0037] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0038] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0039] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 and Fig.12 As shown, a laminated liquid storage device for automobile air conditioner includes a main tank body 1, which is composed of a first tank body 2, a second tank body 4 and a third tank body 7 stacked in sequence from top to bottom, and also includes:

[0040] The refrigerant storage bin 201 is arranged inside the first tank body 2. A connecting sleeve 203 is arranged through the middle of the bottom surface of the first tank body 2. A first delivery pipe 3 is vertically arranged at the center of the refrigerant storage bin 201.

[0041] The desiccant storage bin 401 is arranged inside the second tank body 4. The top end of the second tank body 4 is detachably connected to the bottom end of the first tank body 2 by plugging and unplugging. A connecting delivery pipe 405 is arranged through the middle of the top surface of the second tank body 4. The connecting delivery pipe 405 and the connecting sleeve 203 are arranged corresponding to each other. A second delivery pipe 406 is vertically arranged at the center of the desiccant storage bin 401.

[0042] A closed filter chamber 701 is disposed inside the third tank body 7. The top end of the third tank body 7 is detachably connected to the bottom end of the second tank body 4. A unit filter screen 702 is disposed inside the closed filter chamber 701.

[0043] The connecting interface 5 is arranged in the middle of the connecting sleeve 203 and the bottom end of the first delivery pipe 3. A one-way delivery valve 501 is arranged in the middle of the connecting interface 5. Connecting joints 505 are arranged in the middle of the connecting delivery pipe 405 and the top end of the second delivery pipe 406. The one-way delivery valve 501 is opened when the connecting interface 5 and the connecting joint 505 are inserted and connected, and the one-way delivery valve 501 is closed when the connecting interface 5 and the connecting joint 505 are separated from each other.

[0044] In the present embodiment, the main tank body 1 of the liquid storage device is composed of a first tank body 2, a second tank body 4 and a third tank body 7 stacked in sequence from top to bottom. The various tank bodies can be detachably connected, and the pipeline conveying structure between the tank bodies is connected by a plug-in quick-connect quick-disconnect structure, so that the second tank body 4 and the third tank body 7, namely the desiccant storage bin 401 and the closed filter bin 701, can be quickly disassembled and installed. When the desiccant needs to be replaced or the filter needs to be cleaned, it is only necessary to disassemble the second tank body 4 and the third tank body 7 to complete the work without replacing the entire liquid storage device. During maintenance, the refrigerant is still stored in the first tank body 2, and there is no need to release, recover and re-pressurize the refrigerant, which not only saves material costs but also improves maintenance efficiency.

[0045] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 , Fig.14As shown, preferably, the input connecting pipe 105 and the output connecting pipe 107 of the liquid storage device are connected to the automobile air conditioning cooling pipeline through the input interface 106 and the output interface 108 arranged at the outer end, and the bottom end of the first delivery pipe 3 is located at the center of the bottom surface of the first tank body 2, and the top end of the first tank body 2 is connected with the input connecting pipe 105 and the output connecting pipe 107, and the output connecting pipe 107 is connected to the first delivery pipe 3, and the top end of the second delivery pipe 406 is located on the top surface of the second tank body 4. The refrigerant is transported to the refrigerant storage bin 201 through the input connecting pipe 105 and the input sleeve 102, and is transported downward to the desiccant storage bin 401 through the connecting sleeve 203 and the connecting delivery pipe 405, and then transported downward to the closed filter bin 701, and through the single After filtering by the element filter 702, the liquid is sequentially transported to the output connecting pipe 107 by the second delivery pipe 406, the first delivery pipe 3 and the central output pipe 103. The bottom of the refrigerant storage bin 201 is kept sealed by the closed bottom plate 202. The connecting sleeve 203 and the first delivery pipe 3 are both arranged through the closed bottom plate 202. A loading opening 402 is arranged on the top of the desiccant storage bin 401. The loading opening 402 is closed by a detachable closed top plate 403. The connecting delivery pipe 405 and the second delivery pipe 406 are both arranged through the closed top plate 403. The bottom of the top of the desiccant storage bin 401 is closed by a filtering bottom plate 404 densely covered with small holes, so that the coolant can pass through and intercept the stored desiccant particles, so as to facilitate the loading and replacement of the desiccant.

[0046] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 , Fig.14As shown, preferably, a conical channel 502 is provided inside the one-way delivery valve 501, a closed valve core 503 is slidably provided in the middle of the conical channel 502, a closed spring 504 is provided above the closed valve core 503, a central push rod 506 is connected to the center of the connecting joint 505, the central push rod 506 and the closed valve core 503 cooperate with each other, when the connecting interface 5 and the connecting joint 505 are inserted and connected, the central push rod 506 presses the closed valve core 503 to move upward to open the conical channel 502, and the connecting interface 5 and the connecting joint 505 are connected. When the two tank bodies are separated from each other, the closing spring 504 pushes the closing valve core 503 to move downward to close the conical channel 502, so that during the disassembly process, the one-way delivery valve 501 is automatically closed to prevent the refrigerant from flowing out, and a refrigerant charging valve 101 is arranged on the side wall of the first tank body 2 for adding refrigerant, and a transparent observation window 104 is arranged on the top of the central output pipe 103 for observing the internal refrigerant amount, and a separation spring 204 is nested on the outer side of the connecting sleeve 203 at the bottom of the first delivery pipe 3 to facilitate the separation of the first tank body 2 and the second tank body 4.

[0047] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 , Fig.14 As shown, preferably, a bypass circulation opening 301 is provided through the middle of the side wall of the first delivery pipe 3 of the liquid storage device, and a central sealing sleeve 302 is nested and slidably provided inside the first delivery pipe 3, and the central sealing sleeve 302 and the bypass circulation opening 301 are provided to cooperate with each other, and the bypass circulation opening 301 is kept closed by the central sealing sleeve 302, and a traction linkage rod 303 is connected to the bottom end of the central sealing sleeve 302, and the central sealing sleeve 302 is connected to the closed valve core 503 provided at the bottom end of the first delivery pipe 3 through the traction linkage rod 303, and the closed valve core 503 is connected to each other. When the conical passage 502 is moved upward to open the conical passage 502, the central sealing sleeve 302 is driven to move upward synchronously by pulling the linkage rod 303 to close the bypass circulation opening 301. When the second tank body 4 is removed, the closing valve core 503 is moved downward to open the conical passage 502, the central sealing sleeve 302 is driven to move downward synchronously by pulling the linkage rod 303 to open the bypass circulation opening 301. At this time, the coolant can be directly delivered to the first delivery pipe 3 through the bypass circulation opening 301, so that the second tank body 4 and the third tank body 7 can be disassembled and maintained without stopping the vehicle air conditioner.

[0048] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 , Fig.14 As shown, preferably, a fixed connection block 6 and a sliding connection block 601 are respectively connected and provided at the bottom end of the first tank body 2 and the top end of the second tank body 4 of the liquid storage device, so that the first tank body 2 and the second tank body 4 are connected to each other via the fixed connection block 6 and the sliding connection block 601, and the fixed connection block 6 and the sliding connection block 601 are connected and locked by a connection locking pin 608 embedded in the connection locking groove 602, and the connection can be unlocked by pulling the connection locking pin 608 out of the connection locking groove 602 through the unlocking lever 609, and the reset spring 606 arranged in the middle of the connection locking pin 608 can push the connection locking pin 608 to reset, which is convenient for quick loading and unloading of the second tank body 4 and more convenient and quick during operation and maintenance.

[0049] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 , Fig.14 As shown, preferably, an electric heating wire 407 is arranged around the top of the desiccant storage bin 401 of the liquid storage device, and the electric heating wire 407 is electrically connected to the limit switch 408 arranged on the top surface of the second tank body 4, and a limit sleeve 205 is vertically arranged on the bottom surface of the first tank body 2, and a limit push rod 206 is nested and slidably arranged inside the limit sleeve 205, and a push rod spring 207 is arranged in the middle of the limit push rod 206. When the first tank body 2 and the second tank body 4 are connected to each other, the limit push rod 206 presses the limit switch 408 to keep the electric heating wire 407 closed, and when the first tank body 2 and the second tank body 4 are separated from each other, the limit push rod 206 no longer presses the limit switch 408 to synchronously turn on the electric heating wire 407, and the desiccant inside the desiccant storage bin 401 can be heated by the electric heating wire 407 to facilitate dehumidification.

[0050] like Figure 1 , Figure 2 , Figure 3 , Figure 4, Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 , Fig.14 As shown, preferably, the length of the central top rod 506 arranged inside the connecting joint 505 of the liquid storage device located in the middle of the connecting delivery pipe 405 is smaller than the length of the central top rod 506 arranged inside the connecting joint 505 located at the top of the second delivery pipe 406, so that when the second tank body 4 moves downward and is removed, the one-way delivery valve 501 in the middle of the connecting sleeve 203 will be closed first, and the one-way delivery valve 501 at the bottom end of the first delivery pipe 3 will still remain open at this time, and the electric heating wire 407 will also be opened synchronously, so that the electric heating wire 407 heats the refrigerant inside the second tank body 4, and the refrigerant inside the second tank body 4 will be vaporized and expanded by the heat, which will push the remaining refrigerant in the second tank body 4 and the third tank body 7 to flow back upward through the second delivery pipe 406 and be transported to the refrigerant storage bin 201 inside the first tank body 2, and then when the second tank body 4 continues to move downward and is completely removed, the one-way delivery valve 501 at the bottom end of the first delivery pipe 3 is also completely closed, thereby realizing automatic recovery of the refrigerant.

[0051] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 , Fig.14As shown, preferably, a connecting locking groove 602 and a half-open locking groove 603 are respectively arranged in the middle of the fixed connecting block 6 of the liquid storage device, and two locking sleeves 605 are arranged in parallel in the middle of the sliding connecting block 601, and the connecting locking pins 608 inside the two locking sleeves 605 are respectively cooperated with the connecting locking groove 602 and the half-open locking groove 603, and the bottom height of the half-open locking groove 603 is lower than the bottom height of the connecting locking groove 602, so that when the connecting locking pin 608 in the connecting locking groove 602 is disengaged from the connecting locking groove 602, the second tank body 4 moves downward for a certain height, and the connecting locking pin 608 in the half-open locking groove 603 moves to the bottom for limiting, and at this time maintains a half-open state, which is convenient for the recovery of the refrigerant. Then, after the connecting locking pin 608 in the half-open locking groove 603 is completely disengaged, the second tank body 4 can be completely removed, and the sequential closing mechanism and locking structure of the one-way delivery valve 501 ensure that the refrigerant will not accidentally flow out even during the disassembly process, thereby enhancing the safety and reliability of the system.

[0052] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 , Fig.14 As shown, preferably, the top end of the third tank body 7 of the liquid storage device is detachably and closedly connected to the bottom end of the second tank body 4 by screwing, and a plurality of unit filter screens 702 are stacked inside the closed filter bin 701, and the unit filter screen 702 includes a fixed mounting ring 703, and the fixed mounting ring 703 is nested and slidably connected to the closed filter bin 701, and a unit delivery pipe 705 is connected to the center of the fixed mounting ring 703, and the upper and lower ends of the unit delivery pipe 705 are both provided with serial interfaces 707, and the adjacent unit delivery pipes 705 are connected to each other through the serial interfaces 707, and the unit delivery pipes 705 are connected to each other through the serial interfaces 707. The unit delivery pipe 705 is connected to the bottom end of the second delivery pipe 406 through a serial interface 707, and a lateral opening 706 is provided in the middle of the side wall of the unit delivery pipe 705. After the refrigerant is delivered to the inside of the third tank body 7, it will be filtered through a plurality of unit filters 702 in sequence. The filtered refrigerant is delivered to the unit delivery pipe 705 through the lateral opening 706, and is delivered upward to the second delivery pipe 406 through a plurality of unit delivery pipes 705 in sequence, and is delivered to the first delivery pipe 3 in sequence to complete the filtering work. The unit filters 702 are designed as a unit structure and are stacked inside the third tank body 7 to facilitate their replacement.

[0053] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 , Fig.14 As shown, preferably, an annular filter frame 8 is nested and slidably arranged inside the fixed mounting ring 703 of the liquid storage device, an edge sealing ring 805 is arranged around the edge of the annular filter frame 8, a central filter screen 801 is arranged in the middle of the annular filter frame 8, a closed sleeve 802 is arranged in the center of the annular filter frame 8, the closed sleeve 802 is nested and slidably arranged on the outside of the unit delivery pipe 705, the bottom end of the closed sleeve 802 is connected to the easy-folding support frame 803, and a preset easy-folding 801 is arranged in the middle of the easy-folding support frame 803. 4. The bottom end of the closed sleeve 802 is connected to the bottom end of the unit delivery pipe 705 through the foldable support frame 803. A plurality of edge communication grooves 704 are arranged around the lower half of the fixed mounting ring 703. When the refrigerant is filtered, it will be filtered through the central filter screen 801. After passing through the central filter screen 801 downward, it will be preferentially transported to the unit delivery pipe 705 through the side opening 706, and then transported upward to the second delivery pipe 406 through the plurality of unit delivery pipes 705 for output. When the central filter screen 801 is blocked, the refrigerant will be discharged to the second delivery pipe 406. After being blocked, the overall resistance is greatly increased, which will push the annular filter frame 8 and the central filter screen 801 to move downward as a whole. When the blockage degree of the central filter screen 801 reaches the set value, that is, the resistance is greater than the complete deformation support force of the easy-folding support frame 803, the easy-folding support frame 803 cannot support and completely break along the preset easy-folding bend 804. After losing the supporting force, the central filter screen 801 slides downward to the bottom of the unit delivery pipe 705. At this time, the closing sleeve 802 completely covers and closes the lateral opening 706 on the corresponding unit delivery pipe 705, and the edge sealing ring 805 at the edge of the annular filter frame 8 moves to the bottom of the edge connecting groove 704. At this time, the refrigerant will preferentially pass through the edge connecting groove 704 to bypass the top central filter screen 801 and be transported to the bottom, and then be filtered through the central filter screen 801 below, so that the stacked multi-layer unit filter screens 702 can realize the filtering work in sequence, so that the automatic response mechanism after the central filter screen 801 is blocked is realized through the easy-folding support frame 803 and the preset easy-folding bend 804 structure. When the central filter 801 is clogged, causing the resistance to flow to increase, the system can automatically adjust to move the annular filter frame 8 and the central filter 801 downward as a whole, ensuring the smooth flow of the refrigerant and avoiding system failures caused by filter blockage.

[0054] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 , Fig.14 As shown, preferably, after the humidity sensor 904 of the liquid reservoir detects that the humidity is too high, the car computer connected to the liquid reservoir will control the unlocking coil 607, and the magnetic force generated by energizing the unlocking coil 607 controls the connection locking pin 608 of the ferromagnetic material to move and unlock. First, the connection locking pin 608 in the connection locking groove 602 is disengaged from the connection locking groove 602, maintaining a semi-open state, and the refrigerant is vaporized and expanded by heating and flows back to the first tank body 2 to achieve refrigerant recovery. Then, the connection locking pin 608 in the semi-open locking groove 603 is controlled to completely disengage, and the second tank body 4 naturally moves downward and separates from the first tank body 2. At the same time, the distance between the first tank body 2 and the second tank body 4 is controlled by the magnetic attraction of the reset electromagnet 604 to prevent the second tank body 4 from falling and separating completely. At this time, all the one-way valves are closed, and then the annular electric heating tube 9 The desiccant, which is generally a molecular sieve, stored in the desiccant storage bin 401 can be heated and dried through multiple heating fins 901, and the electromagnetic switch valve 903 is opened at the same time to discharge the heated water vapor through the heating output pipe 902. After a period of heating and drying, when the humidity sensor 904 detects that the humidity meets the standard, the first tank body 2 and the second tank body 4 are reconnected by attracting the magnetic force of the reset electromagnet 604, and the electromagnetic switch valve 903 and the annular electric heating tube 9 are closed, and the connection locking pin 608 is reset at the same time. Therefore, by installing the humidity sensor 904 inside the desiccant storage bin 401, real-time monitoring of excessive desiccant humidity is achieved. Once the humidity exceeds the standard, the system can automatically trigger a series of operations, including unlocking, refrigerant recovery, desiccant heating and drying, etc., which is beneficial to further improve the service life and maintenance cycle of the liquid storage device.

[0055] The stacked liquid storage device for automobile air conditioner provided by the present invention has a main tank body 1 of the liquid storage device which is composed of a first tank body 2, a second tank body 4 and a third tank body 7 stacked in sequence from top to bottom. The tank bodies can be detachably connected to each other, and the pipeline conveying structure between the tank bodies is connected by a plug-in quick-connect quick-disconnect structure, so that the second tank body 4 and the third tank body 7, i.e., the desiccant storage bin 401 and the closed filter bin 701, can be quickly disassembled and installed. When the desiccant needs to be replaced or the filter needs to be cleaned, it is only necessary to disassemble the second tank body 4 and the third tank body 7 to complete the work without replacing the entire liquid storage device. During maintenance, the refrigerant is still stored in the first tank body 2, and there is no need to release, recover and re-pressurize the refrigerant, which not only saves material costs but also improves maintenance efficiency.

[0056] Those skilled in the art should understand that the discussion of any of the above embodiments is only exemplary and is not intended to imply that the scope of the present invention is limited to these examples; under the concept of the present invention, the technical features in the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes in different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity. Any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A stacked liquid storage device for automobile air conditioner, comprising a main tank body (1), wherein the main tank body (1) is composed of a first tank body (2), a second tank body (4) and a third tank body (7) stacked in sequence from top to bottom, characterized in that: Also includes: A refrigerant storage bin (201) is arranged inside the first tank body (2), a connecting sleeve (203) is arranged through the middle of the bottom surface of the first tank body (2), and a first delivery pipe (3) is vertically arranged at the center of the refrigerant storage bin (201); A desiccant storage bin (401) is arranged inside the second tank body (4); the top end of the second tank body (4) is detachably connected to the bottom end of the first tank body (2) by plugging and unplugging; a connecting delivery pipe (405) is arranged through the middle of the top surface of the second tank body (4); the connecting delivery pipe (405) and the connecting sleeve (203) are arranged corresponding to each other; and a second delivery pipe (406) is vertically arranged at the center of the desiccant storage bin (401); A closed filter chamber (701) is arranged inside the third tank body (7), the top end of the third tank body (7) is detachably connected to the bottom end of the second tank body (4), and a unit filter screen (702) is arranged inside the closed filter chamber (701); A communication interface (5) is arranged in the middle of the communication sleeve (203) and at the bottom end of the first delivery pipe (3); a one-way delivery valve (501) is installed in the middle of the communication interface (5); a communication joint (505) is arranged in the middle of the communication delivery pipe (405) and at the top end of the second delivery pipe (406); when the communication interface (5) and the communication joint (505) are inserted and connected, the one-way delivery valve (501) is opened; when the communication interface (5) and the communication joint (505) are separated from each other, the one-way delivery valve (501) is closed; The top of the desiccant storage bin (401) is surrounded by an electric heating wire (407), the top surface of the second tank body (4) is provided with a limit switch (408), the bottom surface of the first tank body (2) is provided with a limit sleeve (205) vertically installed, the inner side of the limit sleeve (205) is nested and slidably provided with a limit push rod (206), the middle of the limit push rod (206) is provided with a push rod spring (207), the limit push rod (206) and the limit switch (408) are arranged to cooperate with each other, when the first tank body (2) and the second tank body (4) are connected to each other, the limit push rod (206) presses the limit switch (408) to keep the electric heating wire (407) turned off, and when the first tank body (2) and the second tank body (4) are separated from each other, the limit push rod (206) no longer presses the limit switch (408) to synchronously turn on the electric heating wire (407); The length of the central push rod (506) arranged inside the connecting joint (505) located in the middle of the connecting delivery pipe (405) is shorter than the length of the central push rod (506) arranged inside the connecting joint (505) located at the top end of the second delivery pipe (406); when the first tank body (2) and the second tank body (4) are separated from each other, the one-way delivery valve (501) arranged inside the connecting interface (5) in the middle of the connecting sleeve (203) is closed before the one-way delivery valve (501) arranged inside the connecting interface (5) at the bottom end of the first delivery pipe (3).

2. The laminated liquid receiver for automobile air conditioner according to claim 1, characterized in that: The bottom end of the first delivery pipe (3) is located at the center of the bottom surface of the first tank body (2); the top end of the first tank body (2) is connected to an input connecting pipe (105) and an output connecting pipe (107); the output connecting pipe (107) and the first delivery pipe (3) are connected to each other; the top end of the second delivery pipe (406) is located at the top surface of the second tank body (4); an input sleeve (102) is provided at the center of the top of the main tank body (1); a central output pipe (103) is provided at a nested interval inside the input sleeve (102); the top end of the input sleeve (102) is connected to the input connecting pipe (105); the bottom end opening of the input sleeve (102) is located at the refrigerant storage bin (201). The output connecting pipe (107) is connected to the first delivery pipe (3) through the central output pipe (103); the first delivery pipe (3) is connected to the second delivery pipe (406) through the connecting interface (5) and the connecting joint (505); the refrigerant is delivered to the refrigerant storage bin (201) through the input connecting pipe (105) and the input sleeve (102); then, it is delivered downwards to the desiccant storage bin (401) through the connecting sleeve (203) and the connecting delivery pipe (405); then, it is delivered downwards to the closed filter bin (701); after being filtered through the unit filter (702), it is delivered to the output connecting pipe (107) in sequence through the second delivery pipe (406), the first delivery pipe (3) and the central output pipe (103).

3. The laminated liquid receiver for automobile air conditioner according to claim 1, characterized in that: The one-way delivery valve (501) is provided with a conical channel (502) inside, a closed valve core (503) is slidably embedded in the middle of the conical channel (502), a closed spring (504) is provided above the closed valve core (503), and a central push rod (506) is connected to the center of the connecting joint (505), and the central push rod (506) and the closed valve core (503) cooperate with each other. When the connecting interface (5) and the connecting joint (505) are inserted and connected, the central push rod (506) presses the closed valve core (503) to move upward to open the conical channel (502), and when the connecting interface (5) and the connecting joint (505) are separated from each other, the closed spring (504) pushes the closed valve core (503) to move downward to close the conical channel (502).

4. The laminated liquid receiver for automobile air conditioner according to claim 3, characterized in that: A bypass circulation opening (301) is provided through the middle of the side wall of the first conveying pipe (3), a central sealing sleeve (302) is nested and slidably provided inside the first conveying pipe (3), the central sealing sleeve (302) and the bypass circulation opening (301) are arranged to cooperate with each other, the bypass circulation opening (301) is kept closed by the central sealing sleeve (302), the bottom end of the central sealing sleeve (302) is connected to a traction linkage rod (303), and the central sealing sleeve (302) is connected to the bypass circulation opening (301) by the traction linkage rod ( The valve core (303) is connected to a closed valve core (503) provided at the bottom end of the first delivery pipe (3); when the closed valve core (503) moves upward to open the conical channel (502), the central closed sleeve (302) is driven to move upward synchronously by pulling the linkage rod (303) to close the bypass circulation opening (301); when the closed valve core (503) moves downward to open the conical channel (502), the central closed sleeve (302) is driven to move downward synchronously by pulling the linkage rod (303) to open the bypass circulation opening (301).

5. The laminated liquid receiver for automobile air conditioner according to claim 4, characterized in that: The bottom end of the first tank body (2) and the top end of the second tank body (4) are respectively connected with a fixed connection block (6) and a sliding connection block (601); the fixed connection block (6) and the sliding connection block (601) are matched with each other to be vertically slidably connected; a connection locking groove (602) is arranged in the middle of the fixed connection block (6); a locking sleeve (605) is horizontally arranged in the middle of the sliding connection block (601); a connection locking pin (608) is slidably nested inside the locking sleeve (605); the connection locking pin (608) and the connection locking groove (602) are matched with each other; and an unlocking lever (609) is connected to the rear end of the connection locking pin (608).

6. The laminated liquid receiver for automobile air conditioner according to claim 5, characterized in that: A connecting locking groove (602) and a half-open locking groove (603) are respectively arranged in the middle of the fixed connecting block (6), and two locking sleeves (605) are arranged in parallel in the middle of the sliding connecting block (601). The connecting locking pins (608) inside the two locking sleeves (605) are respectively arranged to cooperate with the connecting locking groove (602) and the half-open locking groove (603), and the bottom height of the half-open locking groove (603) is lower than the bottom height of the connecting locking groove (602).

7. The laminated liquid receiver for automobile air conditioner according to claim 1, characterized in that: The top end of the third tank body (7) is detachably and closedly connected to the bottom end of the second tank body (4) by screwing. A plurality of unit filters (702) are stacked inside the closed filter bin (701). The unit filters (702) include a fixed mounting ring (703). The fixed mounting ring (703) is nested and slidably connected to the closed filter bin (701). A unit delivery pipe (705) is connected at the center of the fixed mounting ring (703). Both upper and lower ends of the unit delivery pipe (705) are provided with serial interfaces (707). Adjacent unit delivery pipes (705) are interconnected via the serial interfaces (707). The unit delivery pipe (705) is interconnected with the bottom end of the second delivery pipe (406) via the serial interfaces (707). A lateral opening (706) is provided through the middle of the side wall of the unit delivery pipe (705).

8. The laminated liquid receiver for automobile air conditioner according to claim 7, characterized in that: An annular filter frame (8) is nested and slidably arranged inside the fixed mounting ring (703), an edge sealing ring (805) is arranged around the edge of the annular filter frame (8), a central filter screen (801) is arranged in the middle of the annular filter frame (8), a closed sleeve (802) is arranged at the center of the annular filter frame (8), the closed sleeve (802) is nested and slidably arranged on the outside of the unit delivery pipe (705), the bottom end of the closed sleeve (802) is connected to an easy-folding support frame (803), a preset easy-folding bend (804) is arranged in the middle of the easy-folding support frame (803), the bottom end of the closed sleeve (802) is connected to the bottom end of the unit delivery pipe (705) through the easy-folding support frame (803), and a plurality of edge connecting grooves (704) are arranged around the lower half of the fixed mounting ring (703).

9. The laminated liquid receiver for automobile air conditioner according to claim 6, characterized in that: The inner bottom of the desiccant storage bin (401) is surrounded by an annular electric heating tube (9), and a plurality of heating fins (901) are evenly connected and surrounded in the middle of the annular electric heating tube (9). A heating output tube (902) is connected to the top of the side wall of the second tank body (4), and an electromagnetic switch valve (903) is installed in the middle of the heating output tube (902). An unlocking coil (607) is arranged around the middle of the locking sleeve (605). A humidity sensor (904) is installed inside the desiccant storage bin (401), and a reset electromagnet (604) is arranged around the bottom of the first tank body (2) and the top of the second tank body (4).

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