Spill-proof water softener

Abstract

The application discloses a kind of anti-overflow soft water machines, including control valve, salt tank, resin tank being arranged in salt tank, salt valve being arranged in salt tank;Control valve is connected with salt valve, for water replenishment to salt tank and salt solution is extracted and replenishes salt solution in resin tank;Control valve has control mechanism in, and control mechanism is used to control control valve water replenishment or salt solution is extracted and replenishes in resin tank;Salt tank is provided with through hole, and water level detection device A is arranged on the position corresponding to through hole of salt tank, and control valve cooperates water level detection device A to stop water replenishment, and / or water level detection device B is arranged on salt valve, and water level detection device B is electrically connected with control mechanism, and control valve cooperates water level detection device B to stop water replenishment.The application can control whether continue to replenish water in salt tank by the way of water level detection, cancel overflow port, avoid overflow port blockage problem, avoid odor pollution water quality, and can reduce the loss caused by overflow.

Description

TECHNICAL FIELD

[0001] The present application relates to drinking water equipment, in particular to an anti-overflow softener. BACKGROUND

[0002] The ion exchanger using sodium salt as a regenerant is the mainstream softening water treatment equipment in the market, and the resin regeneration salt is usually added by the user according to the water use and the equipment use experience on site; after the softener regenerates the salt solution, water needs to be added to the salt tank, and an overflow port is arranged on the upper shell of the salt tank to prevent overfilling, and even when the control valve of the softener leaks, the overflow port can also be used for drainage. In order to save space, the softener is placed under the kitchen sink or under the cabinet, and the position of the overflow port is also lowered accordingly. The water flowing out of the overflow port is not easy to drain, and the overflow port may be blocked. As a result, the water level in the softener continues to rise, and eventually the water flows out from the gap of the softener cover, which may cause the control circuit of the softener to malfunction. At the same time, the overflow water flows to the floor of the room, causing damage to the decoration. At the same time, the overflow port is usually connected to the sewer through a pipeline, and harmful bacteria or odors in the sewer enter the softener through the overflow port, which damages the water quality in the softener, and the overflow of the salt water is also a loss of resources. SUMMARY

[0003] In view of the deficiencies of the prior art, the purpose of the present application is to provide an anti-overflow softener which can control whether to continue to add water to the salt tank through water level detection, cancel the overflow port, avoid the problem of overflow port blockage, avoid odor pollution of water quality, and reduce the loss caused by overflow.

[0004] To achieve the above purpose, the present application provides the following technical scheme: an anti-overflow softener, comprising a control valve, a salt tank, a resin tank arranged in the salt tank, and a salt valve arranged in the salt tank;

[0005] The control valve is connected with the salt valve, and is used for sucking salt solution and supplementing salt solution into the resin tank and adding water to the salt tank;

[0006] The control valve has a control mechanism therein, and the control mechanism is used for controlling the control valve to add water to the salt tank or suck salt solution and supplement it into the resin tank;

[0007] A through hole is arranged on the salt tank, and a water level detection device A is arranged on the salt tank corresponding to the position of the through hole, and the control valve cooperates with the water level detection device A to stop water addition, and / or

[0008] A water level detection device B is arranged on the salt valve, and the water level detection device B is electrically connected with the control mechanism, and the control valve cooperates with the water level detection device B to stop water addition.

[0009] As a further improvement of the present application, the water level detection device A comprises a connecting seat and a detection probe, the connecting seat is sealingly connected with the through hole, the detection probe is installed on the connecting seat and at least a part of the detection probe is located in the salt tank or in contact with the space in the salt tank.

[0010] As a further improvement of the present application, the connecting seat is provided with a receiving cavity on the lateral side thereof, and a communication hole is further provided on the connecting seat, the communication hole communicates the receiving cavity with the space in the salt tank, and the detection probe is located in the receiving cavity.

[0011] As a further improvement of the present application, a protective cover is further provided on the connecting seat, the protective cover cooperates with the receiving cavity on the connecting seat to form an installation space for installing the detection probe, the protective cover is provided with a wire passing hole, a wire of the detection probe passes through the wire passing hole and is electrically connected with the control mechanism, and the protective cover is interference-fitted or clamped with the connecting seat or is fixed by screws.

[0012] As a further improvement of the present application, the water level detection device A further comprises a first nut, the connecting seat is provided with external threads at a position corresponding to the through hole, the first nut is located in the salt tank, the connecting seat is located outside the salt tank, the external threads on the connecting seat are fastened with the first nut on the salt tank, and a sealing ring is arranged between the first nut and the inner wall of the salt tank and / or a sealing ring is arranged between the connecting seat and the outer wall of the salt tank.

[0013] As a further improvement of the present application, the connecting seat is provided with a positioning member near a position corresponding to the through hole of the salt tank, the salt tank is provided with a positioning blind hole corresponding to the positioning member, when the connecting seat is installed on the salt tank, the positioning member is located in the positioning blind hole to limit the circumferential rotation of the connecting seat.

[0014] As a further improvement of the present application, the salt valve has a housing, and the water level detection device B is installed on the housing, the water level detection device B comprises an electronic float switch and a bracket, the electronic float switch is longitudinally installed on the inner wall of the housing through the bracket, and the electronic float switch is electrically connected with the control mechanism.

[0015] As a further improvement of the present application, the bracket comprises a shell, a second nut, a connecting bolt and a third nut.

[0016] The shell is provided with a platform for abutting the connecting bolt, and the platform and the connecting bolt are both provided with an opening for the electronic float switch to pass through;

[0017] The second nut is threadedly connected with the electronic float switch, and the second nut is in compression connection with the connecting bolt in cooperation with the platform;

[0018] An end of the connecting bolt is located on the side of the shell and is threadedly connected with the third nut and is fixed on the inner wall of the housing.

[0019] As a further improvement of the present application, the inner wall of the shell is provided with a longitudinal strip-shaped hole corresponding to the position of the connecting bolt, the end of the connecting bolt is screwed with the third nut after passing through the strip-shaped hole and is fixed on the inner wall of the shell.

[0020] As a further improvement of the present application, the side surface of the connecting bolt is further provided with a notch, and the notch is communicated with the opening of the connecting bolt, and the end of the electronic float switch corresponding to the second nut and the wire of the electronic float switch pass through the opening of the connecting bolt through the notch.

[0021] The beneficial effects of the present application, the water level monitoring device A is installed in the position of the through hole originally as the overflow port, the through hole is sealed by the water level monitoring device A, and the overflow port is connected with the sewer. Meanwhile, the water level monitoring device A is electrically connected with the control mechanism, and the electrical connection can be connected by wires. When the water level monitoring device A detects that the liquid level is in place, the in-place signal can be sent to the control mechanism, and the control mechanism controls the control valve to stop water replenishment to the salt tank. Through such intelligent control, the problem of odor pollution of water quality caused by the connection of the overflow port with the sewer can be avoided, and the problem of loss caused by overflow pollution of the floor due to blockage of the overflow port can also be avoided.

[0022] The same water level monitoring device B can also achieve the same function, and is more suitable for salt tanks without overflow ports.

[0023] The water level monitoring device A and the water level monitoring device B can also be provided at the same time, and are located at corresponding positions, but the corresponding liquid level heights can be different, and are set as high and low. The low one is used for detecting water replenishment in place, and the high one is used for overflow alarm. When the liquid level reaches the lower water level monitoring device, the in-place signal is triggered first, and the water replenishment is stopped. If the water replenishment is still performed, if the water level monitoring device at the higher position is reached, the stop working state is triggered, and the whole water softener stops working, thereby achieving the effect of preventing overflow. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall cross-sectional structure of the present application;

[0025] Figure 2 It is an enlarged schematic diagram of A part in Figure 1

[0026] Figure 3 It is an exploded schematic diagram of the water level monitoring device A of the present application;

[0027] Figure 4 It is a schematic diagram of the salt valve structure of the present application;

[0028] Figure 5 ​It is an explosion schematic view of the support structure of the application.

[0029] Figure 6 It is a sectional structure schematic view of the water level detection device B of the application.

[0030] The number: 1, control valve; 2, salt tank; 21, through hole; 22, positioning blind hole; 3, resin tank; 4, salt valve; 5, water level detection device A; 51, connecting seat; 511, containing cavity; 512, communication hole; 513, protective cover; 5131, wire hole; 514, positioning piece; 52, detection probe; 53, first nut; 54, sealing ring; 6, water level detection device B; 61, electronic float switch; 62, support; 621, shell; 6211, platform; 622, second nut; 623, connecting bolt; 624, notch; 625, third nut; 7, shell; 71, strip hole. DETAILED DESCRIPTION

[0031] The application will be further described in detail below with the embodiments shown in the drawings.

[0032] Referring to Figures 1-6 The drawings,

[0033] An anti-overflow softener, comprising a control valve 1, a salt tank 2, a resin tank 3 arranged in the salt tank 2, and a salt valve 4 arranged in the salt tank 2;

[0034] The control valve 1 is connected with the salt valve 4, for supplementing water to the salt tank and sucking salt solution and supplementing the salt solution to the resin tank 3;

[0035] The control valve 1 has a control mechanism therein, and the control mechanism is used for controlling the control valve 1 to supplement water to the salt tank 2 or to suck salt solution and supplement the salt solution to the resin tank 3;

[0036] The salt tank 2 is provided with a through hole 21, and the salt tank 2 is provided with a water level detection device A 5 at a position corresponding to the through hole 21, and the control valve 1 cooperates with the water level detection device A 5 to stop water supplementing, and / or

[0037] The salt valve 4 is provided with a water level detection device B 6, and the water level detection device B 6 is electrically connected with the control mechanism, and the control valve 1 cooperates with the water level detection device B 6 to stop water supplementing.

[0038] In the scheme, the control valve 1 with the control mechanism is used to suck salt solution and supplement water to the salt tank 2, wherein the control valve 1 itself is a structure in the prior art, and the internal or external control mechanism is used to control the passage of the control valve 1, including switching the passage and closing the passage.

[0039] The control valve 1 can be connected with the salt valve 4 through the pipeline, and the salt valve 4 is communicated with the salt tank 2. When the control valve 1 is used for water replenishment, the control mechanism switches the control valve to the water replenishment passage, so that the external water can enter the salt valve 4 through the control valve and the pipeline, and then be replenished into the salt tank 2. When the control valve 1 is used for absorbing salt solution, the control mechanism switches the control valve 1 to the passage for absorbing salt solution, so that the salt solution can be absorbed into the resin tank 3 by negative pressure, and the salt solution in the salt valve 4 is absorbed into the resin tank 3.

[0040] The salt tank 2 is used for generating salt solution. By replenishing water in the salt tank 2, the granular salt is dissolved, and then the salt solution is generated.

[0041] A partition is arranged in the salt tank 2 to store granular salt. The salt tank 2 can be dissolved when the water is replenished to overflow the partition, and the salt solution is generated.

[0042] The salt valve 4 can optionally have a floating component and a switch component. When the floating component rises to a set height with the water level of the water replenishment, the buoyancy of the floating component will pull the switch component, and then the water replenishment is stopped. Therefore, the salt valve 4 can be used as a preliminary quantitative water replenishment control. Since the salt solution in the salt valve 4 has the possibility of precipitation, and there are other impurities and scale from the outside, the switch component may fail. At this time, the water level detection device A and the water level detection device B can play a supplementary detection role.

[0043] The resin tank 3 has resin inside, which can be used to soften the water quality, and the control valve 1 is used to replenish the salt solution into the resin tank 3.

[0044] It should be noted that the existing salt tank 2 has an overflow port (i.e. the through hole 21 in the present scheme), which is used for drainage when the solution overflows. Therefore, the height of the through hole 21 is relatively high, and at least it can ensure that the salt tank 2 can generate salt solution, which is self-evident. The water level monitoring device A is installed at the position of the through hole 21 in the present scheme, and the through hole 21 is sealed by the water level detection device A5, so that the overflow port is disconnected with the sewer. At the same time, the water level detection device A5 is electrically connected with the control mechanism. This electrical connection can be connected by wire. When the water level detection device A5 detects that the liquid level is in place, it can send a signal to the control mechanism, and the control mechanism controls the control valve 1 to stop replenishing water to the salt tank 2. Through this intelligent control, the problem of odor pollution of water quality caused by the connection of the overflow port with the sewer can be avoided, and the problem of loss caused by salt water overflow pollution of the floor due to blockage of the overflow port can also be avoided.

[0045] In addition, the water level detection can also be implemented by the water level detection device B6. The water level detection device B6 is arranged on the salt valve 4. If the salt tank 2 has an overflow port, the overflow port can be blocked by a bolt.

[0046] In addition, the water level detection device A5 and the water level detection device B6 can be provided simultaneously, and are located at corresponding positions respectively, but the corresponding liquid level heights can be different, and are set as one high and one low. The low one is used for detecting water replenishment, and the high one is used for overflow alarm. When the liquid level reaches the low water level detection device, the in-place signal is triggered at this time, and the water replenishment is stopped. If the water replenishment is still performed, if the high water level detection device is reached, the stop working state is triggered, and the whole water softener stops working, thereby achieving the effect of preventing overflow. Preferably, the water level detection device A5 can be used as a trigger overflow alarm.

[0047] Specifically, the water level detection device A5 comprises a connecting seat 51 and a detection probe 52. The connecting seat 51 is sealingly connected with the through hole 21. The detection probe 52 is installed on the connecting seat 51, and at least a part of the detection probe 52 is located in the salt tank 2 or in contact with the space in the salt tank 2.

[0048] The connecting seat 51 is used for facilitating the installation of the through hole 21. The connecting seat 51 can be inserted into the through hole 21 for sealing installation, thereby plugging the connecting hole. The detection probe 52 is installed on the connecting seat 51. This installation can be that the detection probe 52 is inserted into the salt tank 2 at the same time as the connecting seat 51 is installed on the through hole 21, so as to detect the water level in the salt tank 2. Alternatively, the detection probe 52 is still in the connecting seat 51, but the connecting seat 51 has a hole capable of communicating with the salt tank 2. At this time, water can also be detected by contacting the detection probe 52 through the hole. The detection can also be performed in the following manner:

[0049] The connecting seat 51 is provided with a containing cavity 511 on the side facing upward, and is further provided with a communication hole 512. The communication hole 512 communicates the containing cavity 511 with the space in the salt tank 2. The detection probe 52 is located in the containing cavity 511.

[0050] The side facing upward of the present scheme means vertically upward or upward trend, for example, inclined upward. The containing cavity 511 is located on the side of the connecting seat 51 and is arranged upward. Therefore, the two ends of the detection probe 52 are arranged upward and downward, which reduces the size requirement of the detection probe 52 in the horizontal direction. The communication hole 512 can communicate the containing cavity 511 with the space in the salt tank 2, so that water can cooperate with the detection probe 52 to realize liquid level detection. It should be noted that the low end of the detection probe 52 needs to be higher than the low position of the communication hole 512, and also needs to avoid that there is accumulated water in the containing cavity 511 or the accumulated water is higher than the low end of the detection probe 52, so as to avoid affecting the detection of the detection probe 52.

[0051] Further arrangement, the connecting seat 51 is further provided with a protective cover 513, the protective cover 513 is matched with the containing cavity 511 on the connecting seat 51 to form the mounting space for installing the detection probe 52, the protective cover 513 is provided with a wire hole 5131, and the wire of the detection probe 52 is electrically connected with the control mechanism by passing through the wire hole 5131; the protective cover 513 is in interference fit or clamped with the connecting seat 51 or fixed by screws.

[0052] The protective cover 513 can stably install the detection probe 52 in the containing cavity 511. Since the connecting seat 51 is located outside the salt tank 2, the maintenance is more convenient.

[0053] The specific installation of the connecting seat 51 can be as follows: the water level detection device A5 further comprises a first nut 53, the connecting seat 51 is provided with external threads at a position corresponding to the through hole 21, the first nut 53 is located inside the salt tank 2, the connecting seat 51 is located outside the salt tank 2, the external threads on the connecting seat 51 are fastened on the salt tank 2 by cooperating with the first nut 53, and a sealing ring 54 is arranged between the first nut 53 and the inner wall of the salt tank 2 and / or a sealing ring 54 is arranged between the connecting seat 51 and the outer wall of the salt tank 2.

[0054] The connecting seat 51 is first passed through the through hole 21, so that the part with external threads is inserted into the salt tank 2, and is threadedly connected with the position of the external threads by the first nut 53 inside the salt tank 2, so as to be clamped and fixed on the salt tank 2. Of course, in order to further improve the sealing effect, a sealing ring 54 can also be added, which can be located between the first nut 53 and the inner wall of the salt tank 2, or between the connecting seat 51 and the outer wall of the salt tank 2, or both. The structure is simple, reliable and convenient to install. The connecting seat 51 and the nut can be made of plastic material, which is low in cost and does not affect the installation and sealing.

[0055] In order to facilitate the installation of the first nut 53, the connecting seat 51 is provided with a positioning piece 514 near the position corresponding to the through hole 21 of the salt tank 2, and the salt tank 2 is provided with a positioning blind hole 22 corresponding to the position of the positioning piece 514, so that when the connecting seat 51 is installed on the salt tank 2, the positioning piece 514 is located in the positioning blind hole 22 to limit the circumferential rotation of the connecting seat 51.

[0056] Based on the scheme, when installing the connecting seat 51, first, the end of the connecting seat 51 with external threads is inserted into the through hole 21, then the position is adjusted, the positioning piece 514 is matched with the positioning blind hole 22, the connecting seat 51 is continuously installed in place, at this time, the positioning piece 514 and the positioning blind hole 22 form an embedded fit, which can limit the rotation of the connecting seat 51, facilitate the fastening of the first nut 53, and the connecting seat 51 will not rotate. At the same time, it can also make the installation state more stable and not easy to loosen, and the connecting seat 51 will not be loosened by external force, such as water pump vibration, and the use state is more stable.

[0057] If the water level detection device B6 is needed, it can also be implemented in the following way:

[0058] The salt valve 4 has a shell 7, and the water level detection device B6 is installed on the shell 7, which includes an electronic float switch 61 and a bracket 62, the electronic float switch 61 is longitudinally installed on the inner wall of the shell 7 through the bracket 62, and the electronic float switch 61 is electrically connected with the control mechanism.

[0059] In this water level detection mode, the electronic float switch 61 is triggered, and as the liquid level rises, the float of the electronic float switch 61 can float until the float triggers the switch, and the electronic float switch 61 cooperates with the control mechanism to control the control valve 1 to stop water replenishment. This structure can provide detection function on the original shell 7, which is convenient for modular production. The bracket 62 is more convenient for the activity and installation of the electronic float switch 61.

[0060] The specific structure of the bracket 62 can be set in the following way:

[0061] The bracket 62 includes an outer shell 621, a second nut 622, a connecting bolt 623, and a third nut 625;

[0062] The outer shell 621 is provided with a platform 6211 for abutting the connecting bolt 623, and the platform 6211 and the connecting bolt 623 are both provided with an opening for the electronic float switch 61 to pass through;

[0063] The second nut 622 is threadedly connected with the electronic float switch 61, and the second nut 622 is in compression connection with the platform 6211 to press the connecting bolt 623;

[0064] The end of the connecting bolt 623 is located on the side of the outer shell 621, and is threadedly connected with the third nut 625 and fixed on the inner wall of the shell 7.

[0065] The shell 621 can be selected as a cylinder in the scheme, which can provide the float with stable floating, wherein the second nut 622 is used to threadedly connect the threads on the electronic float switch 61, and the threaded connection can be used to compress the connecting bolt 623. The connecting bolt 623 can be threaded through the opening and the electronic float switch 61, and the second nut 622 and the platform 6211 are compressed and fixed. The end of the connecting bolt 623 is located on the side of the shell 621, and the shell 621 can be provided with a notch 624, which can allow the end of the connecting bolt 623 to be inserted from the notch 624, and the third nut 625 is threadedly fixed on the inner wall of the shell 7. Of course, the inner wall of the shell 7 needs to be preformed with a hole, which can allow the end of the connecting bolt 623 to extend and be threadedly connected with the third nut 625. This installation method is more convenient for production, and the connecting bolt 623 can be separated from the shell 621 for production.

[0066] In order to facilitate the adjustment of the liquid level height of the water level detection, the inner wall of the shell 7 is provided with a longitudinally arranged strip hole 71 corresponding to the position of the connecting bolt 623. The end of the connecting bolt 623 is threadedly connected with the third nut 625 after passing through the strip hole 71, and is fixed on the inner wall of the shell 7.

[0067] The strip hole 71 can allow the connecting bolt 623 to be adjusted in position along the strip hole 71. Due to the adjustment of the position, the position of the electronic float switch 61 also changes correspondingly, so that the adjustment of the water level detection can be realized, and the application scene is wider, and the intelligentization of water replenishment is not affected.

[0068] Furthermore, in order to facilitate the cooperation of the connecting bolt 623 and the electronic float switch 61, the side of the connecting bolt 623 is also provided with a notch 624, which is in communication with the opening of the connecting bolt 623. The end of the electronic float switch 61 corresponding to the second nut 622 and the wire of the electronic float switch 61 pass through the opening of the connecting bolt 623 through the notch 624. The structure can make the electronic float switch 61 more easily threaded with the connecting bolt 623, and the installation is more convenient.

[0069] The above is only the preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution falling within the scope of the present application is also within the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and decorations without departing from the principles of the present application are also considered as the protection scope of the present application.

Claims

1. An anti-overflow softener, comprising a control valve, a salt tank, a resin tank arranged in the salt tank, and a salt valve arranged in the salt tank, characterized in that the control valve is connected with the salt valve and used for supplying water to the salt tank and drawing salt solution and supplying the salt solution to the resin tank; the control valve is provided with a control mechanism for controlling the control valve to supply water to the salt tank or draw salt solution and supply the salt solution to the resin tank; the salt tank is provided with a through hole, and a water level detecting device A is arranged on the salt tank at a position corresponding to the through hole, and the control valve cooperates with the water level detecting device A to stop water supply; the salt valve is provided with a water level detecting device B electrically connected with the control mechanism, and the control valve cooperates with the water level detecting device B to stop water supply; the water level detecting device A comprises a connecting seat and a detecting probe, the connecting seat is sealingly connected with the through hole, the detecting probe is arranged on the connecting seat and at least a part of the detecting probe is located in the salt tank or in contact with a space in the salt tank; a containing cavity is arranged on the connecting seat and faces upward, and a communication hole is further arranged on the connecting seat and communicates the containing cavity with the space in the salt tank, and the detecting probe is located in the containing cavity; a protective cover is further arranged on the connecting seat and cooperates with the containing cavity on the connecting seat to form a mounting space for mounting the detecting probe, and the protective cover is provided with a wire passing hole, and a wire of the detecting probe passes through the wire passing hole and is electrically connected with the control mechanism; the protective cover is interference-fitted, clamped or fixed with the connecting seat by screws; the salt valve is provided with a shell, and the water level detecting device B is arranged on the shell, the water level detecting device B comprises an electronic float switch and a bracket, the electronic float switch is longitudinally arranged on an inner wall of the shell through the bracket, and the electronic float switch is electrically connected with the control mechanism; the bracket comprises an outer shell, a second nut, a connecting bolt and a third nut; the outer shell is provided with a platform for abutting the connecting bolt, and the platform and the connecting bolt are provided with openings for the electronic float switch to pass through; the second nut is threadedly connected with the electronic float switch, and the second nut cooperates with the platform to press the connecting bolt; the connecting bolt is arranged on the side of the outer shell and is threadedly connected with the third nut and fixed on the inner wall of the shell. The water level detecting device A further comprises a first nut, the connecting seat is provided with an external thread at a position corresponding to the through hole, the first nut is located in the salt tank, the connecting seat is located outside the salt tank, the external thread on the connecting seat is fastened with the first nut on the salt tank, and a sealing ring is arranged between the first nut and the inner wall of the salt tank and / or a sealing ring is arranged between the connecting seat and the outer wall of the salt tank. The connecting seat is provided with a positioning member at a position close to the through hole of the salt tank, the salt tank is provided with a positioning blind hole at a position corresponding to the positioning member, and when the connecting seat is arranged on the salt tank, the positioning member is located in the positioning blind hole to limit the circumferential rotation of the connecting seat. The inner wall of the shell is provided with a longitudinally arranged strip hole at a position corresponding to the connecting bolt, the end of the connecting bolt passes through the strip hole and is threadedly connected with the third nut and fixed on the inner wall of the shell. ​ ​ ​ ​ 2. The spill-proof water softener of claim 1, wherein ​ 3. The spill-proof water softener of claim 2, wherein, ​ 4. The spill-proof water softener of claim 3, wherein ​

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