CN215295879U - Water tank water supply device and water chilling unit comprising same - Google Patents
Water tank water supply device and water chilling unit comprising same Download PDFInfo
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- CN215295879U CN215295879U CN202120964146.3U CN202120964146U CN215295879U CN 215295879 U CN215295879 U CN 215295879U CN 202120964146 U CN202120964146 U CN 202120964146U CN 215295879 U CN215295879 U CN 215295879U
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Abstract
The application provides a water tank water supply installation and including its cooling water set. The water supply device of the water tank comprises the water tank, a water inlet electric valve, at least two liquid level sensors, a water pump unit and a controller, wherein the at least two liquid level sensors comprise a first liquid level sensor and a second liquid level sensor, the position of the first liquid level sensor is higher than that of the second liquid level sensor, the position of the water pump unit is lower than that of the second liquid level sensor, the water pump unit comprises a stop working condition and an opening working condition, and when the water pump unit is in the stop working condition, the controller controls the on-off of the water inlet electric valve according to a first electric signal output by the first liquid level sensor; when the water pump unit is in the starting working condition, the controller controls the on-off of the water inlet electric valve according to a second electric signal output by the second liquid level sensor. The water chilling unit comprises the water tank water supply device. So set up, can satisfy the liquid level requirement of the different operating modes of water pump unit, can avoid excessive moisturizing, reduce the volume of water tank and reduce water consumption.
Description
Technical Field
The utility model relates to a cooling water set technical field especially relates to a water tank water supply installation reaches cooling water set including it.
Background
With the development of water chilling units, circulating water supply systems are more and more widely used. The circulating water supply system is a water supply system for recycling. In actual use, the liquid level control and the water tank volume setting are carried out according to the water supply amount required by a single liquid level. Under different working conditions, if the water pump is controlled according to the current single liquid level, the liquid level of the water tank is greatly different, excessive water replenishing is easy to occur, and water waste and overlarge water tank setting are caused.
SUMMERY OF THE UTILITY MODEL
The application provides a reduce excessive moisturizing and water tank volumetric water supply installation of water tank and including its cooling water set.
The application provides a water supply device for a water tank, including:
the water tank is provided with a first water inlet and a first water outlet;
the water inlet electric valve is communicated with the first water inlet;
the at least two liquid level sensors are arranged on the side wall of the water tank and comprise a first liquid level sensor and a second liquid level sensor, and the position of the first liquid level sensor is higher than that of the second liquid level sensor;
the water pump unit is communicated with the first water outlet, the position of the water pump unit is lower than that of the second liquid level sensor, and the water pump unit comprises a stop working condition and an opening working condition; and
the controller is electrically connected with the water inlet electric valve, the at least two liquid level sensors and the water pump unit;
when the water pump unit is in the shutdown working condition, the controller controls the on-off of the water inlet electric valve according to a first electric signal output by the first liquid level sensor; and when the water pump unit is in the starting working condition, the controller controls the on-off of the water inlet electric valve according to a second electric signal output by the second liquid level sensor.
Optionally, the at least two liquid level sensors further include a third liquid level sensor, a position of the third liquid level sensor is lower than a position of the second liquid level sensor, and a position of the third liquid level sensor is higher than a position of the water pump unit; the controller also controls the on-off of the water pump unit according to a third electric signal output by the third liquid level sensor.
Optionally, the water tank water supply device further comprises an impingement plate, which is arranged on the side wall of the water tank and corresponds to the liquid level sensor.
Optionally, the impingement plate includes a baffle and a baffle plate connected to the baffle, the baffle is disposed above the liquid level sensor, and the baffle plate is disposed on one side of the liquid level sensor and has a distance from the liquid level sensor.
Optionally, the water tank further comprises an overflow port and a water discharge port, the water supply device of the water tank further comprises a water discharge electric valve communicated with the water discharge port, the overflow port is arranged at a position higher than the first liquid level sensor, and the water discharge port is arranged at a position lower than the water pump unit; the controller is also electrically connected with the electric drainage valve, and when the overflow gap overflows, the controller controls the electric drainage valve to be opened so as to discharge water in the water tank.
Optionally, the water supply device for the water tank further includes a filter, which is disposed at the first water outlet, is located at the upstream of the water pump unit, and is configured to filter the water in the water tank and deliver the water to the water pump unit through the first water outlet.
Optionally, the water tank water supply device further comprises a spraying system and a water supply pipe communicated with the spraying system, and the spraying system is communicated with the water pump unit through the water supply pipe.
Optionally, the water tank water supply device further comprises an early warning device electrically connected to the controller, and the controller controls the early warning device to send out early warning information when detecting that one of the at least two liquid level sensors is abnormal.
Optionally, the liquid level sensor comprises a liquid level switch.
Optionally, the water inlet electrically operated valve comprises an electrically operated ball valve.
The application also provides a water chilling unit, which comprises the water tank water supply device.
Optionally, the water chilling unit comprises a closed cooling tower or an evaporative cooling type water chilling unit.
The water tank water supply device comprises a water tank, a water inlet electric valve, at least two liquid level sensors, a water pump unit and a controller, wherein the at least two liquid level sensors comprise a first liquid level sensor and a second liquid level sensor, the position of the first liquid level sensor is higher than that of the second liquid level sensor, the position of the water pump unit is lower than that of the second liquid level sensor, the water pump unit comprises a stop working condition and an opening working condition, and when the water pump unit is in the stop working condition, the controller controls the on-off of the water inlet electric valve according to a first electric signal output by the first liquid level sensor; when the water pump unit is in the starting working condition, the controller controls the on-off of the water inlet electric valve according to a second electric signal output by the second liquid level sensor. Through setting up the level sensor of different altitude positions, satisfy the liquid level requirement of the different operating modes of water pump unit, can avoid excessive moisturizing, reduce the volume of water tank and reduce water consumption.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
FIG. 1 is a schematic structural view of one embodiment of a tank water supply of the present application;
fig. 2 is a block diagram illustrating a control principle of the water supply apparatus of the water tank shown in fig. 1.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
The water tank water supply device comprises a water tank, a water inlet electric valve, at least two liquid level sensors, a water pump unit and a controller, wherein the at least two liquid level sensors comprise a first liquid level sensor and a second liquid level sensor, the position of the first liquid level sensor is higher than that of the second liquid level sensor, the position of the water pump unit is lower than that of the second liquid level sensor, the water pump unit comprises a stop working condition and an opening working condition, and when the water pump unit is in the stop working condition, the controller controls the on-off of the water inlet electric valve according to a first electric signal output by the first liquid level sensor; when the water pump unit is in the starting working condition, the controller controls the on-off of the water inlet electric valve according to a second electric signal output by the second liquid level sensor. Through setting up the level sensor of co-altitude, satisfy the liquid level requirement of the different operating modes of water pump unit, can avoid excessive moisturizing, reduce the volume of water tank and reduce few water consumption.
The application provides a water tank water supply installation and including its cooling water set. The water tank water supply device and the water chiller including the same according to the present invention will be described in detail with reference to the accompanying drawings. The features of the following examples and embodiments may be combined with each other without conflict.
Referring to fig. 1 and 2, the water tank supply device 10 includes a water tank 11, an electric water inlet valve 12, at least two level sensors 13, a water pump unit 14, and a controller 15. In some embodiments, the water tank 11 is provided with a first water inlet 111 and a first water outlet 112, and the water tank 11 is used for providing circulating cooling water. In some embodiments, the electric water inlet valve 12 is connected to the first water inlet 111, and the electric water inlet valve 12 can fill water into the water tank 11 through the first water inlet 111. Since the water inlet motor-operated valve 12 injects water into the water tank 11 through the first water inlet 111, the first water inlet 111 can be provided at any position of the sidewall of the water tank 11. In some embodiments, the first water inlet 111 is located near the bottom of the tank 11. In other embodiments, the first water inlet 111 is located near the middle of the water tank 11. In other embodiments, the first water inlet 111 is located near the top of the tank 11. Compared with the related art, the first water inlet 111 and the water inlet electric valve 12 of the embodiment are flexible in arrangement position, are not limited, and have a wide application range. In the present embodiment, the first water inlet 111 is provided at a position of the water tank 11 near the top of the water tank 11, but is not limited thereto. In some embodiments, the water inlet electro-valve 12 comprises an electro-ball valve. Compared with the prior art, this embodiment uses the electric ball valve, simple structure, and is small relatively, light in weight, the maintenance of being convenient for, and convenient operation, the switching is rapid, the remote control of being convenient for.
In some embodiments, at least two level sensors 13 are disposed on a side wall of the tank 11, which may be an inner side wall of the tank 11, the level sensors 13 being configured to detect a level of liquid in the tank 11. In some embodiments, the at least two liquid level sensors 13 include a first liquid level sensor 131 and a second liquid level sensor 132, and the position of the first liquid level sensor 131 is higher than the position of the second liquid level sensor 132. In the present embodiment, the liquid level detected by the first liquid level sensor 131 is a first liquid level H1, and the liquid level detected by the second liquid level sensor is a second liquid level H2, wherein the first liquid level H1 is higher than the second liquid level H2 (as shown in fig. 1).
In some embodiments, the water pump assembly 14 is connected to the first water outlet 112, the position of the water pump assembly 14 is lower than the position of the second liquid level sensor 132, and the water pump assembly 14 is used for providing power to promote water circulation so as to supply water out of the water tank 11 through the first water outlet 112. In the embodiment shown in fig. 1, the first water outlet 112 is disposed near the bottom of the water tank 11, and the water pump unit 14 can provide power to continuously supply water from the water tank 11 to the outside of the water tank 11 through the first water outlet 112. In some embodiments, the water pump assembly 14 may be a centrifugal pump. In other embodiments, the water pump assembly 14 may be other types of pumps, and is not limited in this application.
In some embodiments, the controller 15 is electrically connected to the water inlet electric valve 12, the at least two liquid level sensors 13, and the water pump unit 14 (shown in fig. 2). The controller 15 can be used as a control center of the whole water tank water supply device 10, and can control the on-off of the water inlet electric valve 12 according to the working condition of the water pump unit 14 and the electric signals output by the at least two liquid level sensors 13. In some embodiments, the Controller 15 may include any suitable Programmable Circuit or device, such as a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), a Programmable Logic Controller (PLC), an Application Specific Integrated Circuit (ASIC), and so on.
In some embodiments, the water pump unit 14 includes a stop condition and an open condition, and when the water pump unit 14 is in the stop condition, the controller 15 controls the on/off of the water inlet electric valve 12 according to the first electric signal output by the first liquid level sensor 131. In the present embodiment, the first liquid level sensor 131 is used for detecting the liquid level in the water tank 11, and outputs a corresponding first electrical signal according to whether the liquid level in the water tank 11 reaches a first liquid level. For example, when it is detected that the liquid level in the tank 11 reaches the first liquid level, a high level is output, and when it is detected that the liquid level in the tank 11 does not reach the first liquid level, a low level is output. The controller 15 can control the on/off of the water inlet electric valve 12 according to the high level or the low level output by the first liquid level sensor 131.
In some embodiments, when the first liquid level sensor 131 detects that the liquid level in the water tank 11 does not reach the first liquid level, a low level is output, and at this time, the controller 15 controls the water inlet electric valve 12 to be opened to fill the water tank 11 with water. In some embodiments, when the first liquid level sensor 131 detects that the liquid level in the water tank 11 reaches the first liquid level, a high level is output, and at this time, the controller 15 controls the water inlet electric valve 12 to be closed to stop filling the water into the water tank 11. So set up, when water pump unit 14 was in the shut down operating mode, when the water in the water tank 11 was less than first liquid level, controller 15 can be according to the low level of first level sensor 131 output to control intake motorised valve 12 in time and open, in time to the moisturizing in the water tank 11, make have sufficient water in order to supply the use, avoid appearing the moisturizing scheduling problem inadequately. When the water in the water tank 11 is higher than the first liquid level, the controller 15 can control the water inlet electric valve 12 to close in time according to the high level output by the first liquid level sensor 131, and control to stop supplying water into the water tank 11 in time, so that the problems of excessive water supply and the like are avoided, the water consumption is reduced, and the cost is reduced.
In some embodiments, when the water pump unit 14 is in the on condition, the controller 15 controls the on/off of the water inlet electric valve 12 according to the second electric signal output by the second liquid level sensor 132. In the present embodiment, the second liquid level sensor 132 is used for detecting the liquid level in the water tank 11 and outputting a corresponding second electrical signal according to whether the liquid level in the water tank 11 reaches the second liquid level. For example, when the liquid level in the tank 11 is detected to reach the second liquid level, a high level is output, and when the liquid level in the tank 11 is detected not to reach the second liquid level, a low level is output. The controller 15 can control the on/off of the water inlet electric valve 12 according to the high level or the low level output by the second liquid level sensor 132.
In some embodiments, when the second liquid level sensor 132 detects that the liquid level in the water tank 11 does not reach the second liquid level, a low level is output, and at this time, the controller 15 controls the water inlet electric valve 12 to be opened to fill the water tank 11 with water. In some embodiments, when the second level sensor 132 detects that the liquid level in the water tank 11 reaches the second level, a high level is output, and at this time, the controller 15 controls the water inlet electric valve 12 to close to stop filling the water tank 11. So set up, when water pump unit 14 is in the open mode, when the water in the water tank 11 is less than the second liquid level, controller 15 can be according to the low level of second liquid level sensor 132 output to control intake motorised valve 12 in time and open, in time to the moisturizing in the water tank 11, make have sufficient water in order to supply the use, avoid appearing the moisturizing scheduling problem inadequately. When the water in the water tank 11 is higher than the second level, the controller 15 may control the water inlet electric valve 12 to close in time according to the high level output by the second level sensor 132, and control to stop supplying water into the water tank 11 in time, so as to avoid the problems of excessive water supply and the like.
In the above embodiment, when the water pump is in different working conditions (including shutdown working conditions and startup working conditions), the liquid level in the water tank 11 is monitored in time by setting the first liquid level sensor 131 and the second liquid level sensor 132 at different heights, so that the liquid level requirements of the water pump unit 14 under different working conditions can be met. And, when water pump unit 14 was in the open mode, the water in the water tank 11 passed through water pump unit 14 and the outer operative installations of water tank 11 formed circulation system, guaranteed to supply water outside water tank 11 continuously, set up second liquid level H2 and be less than first liquid level H1, so need not set up higher liquid level, can reduce the volume of water tank 11, reduced the water yield loss, reduce cost.
In some embodiments, the level sensor 13 comprises a level switch. The liquid level switch is a switch for controlling the on-off of a circuit through liquid level. When the liquid level of the water in the water tank 11 is lower than the position of the liquid level switch, the liquid level switch is turned off, and a low level is output at the time. When the level of the water in the water tank 11 is higher than the position of the level switch, the level switch is closed, and a high level is output at this time. Compared with the prior art, this embodiment adopts liquid level switch, through using with 15 cooperations of controller, can realize automatic ground liquid level switch control, simple structure to under water pump unit 14's different work condition, controller 15 is intake motorised valve 12 according to the signal of telecommunication control of liquid level switch feedback, and sensitivity is high, and the degree of accuracy is high. In other embodiments, the liquid level sensor 13 may be other types of devices for detecting liquid level, and is not limited in this application.
In some embodiments, the at least two liquid level sensors 13 further include a third liquid level sensor 133, the position of the third liquid level sensor 133 is lower than the position setting of the second liquid level sensor 132, and the position of the third liquid level sensor 133 is higher than the position setting of the water pump unit 14; the controller 15 also controls the on/off of the water pump unit 14 according to a third electric signal output by the third liquid level sensor 133.
In this embodiment, the liquid level detected by the third liquid level sensor 133 is a first warning level H3, wherein the first warning level H3 is lower than the second liquid level H2 (shown in FIG. 1). When the water level in the water tank 11 is lower than the first warning level H3, it indicates that the water level in the water tank 11 is continuously decreased due to excessive evaporation or water leakage, so that the water in the water tank 11 is insufficient. Therefore, a third liquid level sensor 133 is provided for detecting the liquid level in the water tank 11 and outputting a corresponding third electrical signal according to whether the liquid level in the water tank 11 reaches a third liquid level. For example, a low level is output when the liquid level in the tank 11 is detected to be below the first warning level H3, and a high level is output when the liquid level in the tank 11 is detected to be above the first warning level H3. The controller 15 may control the on/off of the water pump unit 14 according to the high level or the low level output by the third liquid level sensor 133.
In some embodiments, when the third liquid level sensor 133 detects that the liquid level in the water tank 11 is lower than the first warning level H3, a low level is output, and at this time, the controller 15 controls the water pump unit 14 to be turned off, so that the supply of water to the outside of the water tank 11 is timely controlled to be stopped when the water in the water tank 11 is insufficient. And, the controller 15 controls the water inlet electric valve 12 to open, and fills water into the water tank 11 until the liquid level in the water tank 11 is higher than the first liquid level H1, and at this moment, the controller 15 controls the water pump unit 14 to resume opening, so that when the water in the water tank 11 is insufficient, the water inlet electric valve 12 is timely controlled to open, and the water is timely filled into the water tank 11, so as to ensure that the water in the water tank 11 is sufficient, and avoid the problems of insufficient water supply and the like.
In some embodiments, the water tank 11 further comprises an overflow port 113 and a water discharge port 114, the water supply device 10 further comprises a water discharge electric valve 16 communicated with the water discharge port 114, the position of the overflow port 113 is higher than the position of the first liquid level sensor 131, and the position of the water discharge port 114 is lower than the position of the water pump unit 14; the controller 15 is also electrically connected to the drain electric valve 16, and when the overflow port 113 overflows, the controller 15 controls the drain electric valve 16 to open to drain the water in the water tank 11. In some embodiments, the level corresponding to the overflow 113 may be a second warning level H4 (shown in FIG. 1), the second warning level H4 being higher than the first level H1, the second level H2, and the first warning level H3. The second warning level H4 indicates that the water level of the water in the water tank 11 is continuously increased due to rain or damage of the water inlet electric valve 12, and the like, and the water reaches the overflow opening 113, and may overflow from the overflow opening 113. At this time, the controller 15 can control the electric drainage valve 16 to open to drain the water in the water tank 11, so that the water in the water tank 11 is drained in time, the liquid level of the water in the water tank 11 is ensured to be below the second warning liquid level H4, the waste of water resources is avoided, and the cost is reduced. In some embodiments, drain electro-valve 16 comprises an electro-ball valve. Compared with the prior art, this embodiment uses the electric ball valve, simple structure, and is small relatively, light in weight, the maintenance of being convenient for, and convenient operation, the switching is rapid, the remote control of being convenient for.
In the above embodiment, the first liquid level sensor 131, the second liquid level sensor 132, the third liquid level sensor 133, the water inlet electric valve 12, the water discharge electric valve 16 and the controller 15 are used in combination, so that the liquid level requirements of different working conditions of the water pump unit 14 can be met, water in the water tank 11 is kept between the first warning liquid level H3 and the second warning liquid level H4, sufficient water supply in the water tank 11 is ensured, the condition of insufficient or excessive water supply is avoided, the waste of water resources is reduced, and the cost is reduced.
In some embodiments, the water supply device 10 further includes a baffle 17 disposed on a side wall of the water tank 11 and corresponding to the liquid level sensor 13. When the liquid level sensor 13 detects the liquid level in the tank 11, the liquid level fluctuates greatly, so that the conditions such as surging, impact, liquid level inclination and the like easily occur, and the first liquid level sensor 131, the second liquid level sensor 132 and the third liquid level sensor 133 easily cause malfunction. Therefore, the impingement plate 17 is disposed at the positions corresponding to the first liquid level sensor 131, the second liquid level sensor 132 and the third liquid level sensor 133, so that the first liquid level sensor 131, the second liquid level sensor 132 and the third liquid level sensor 133 can be effectively prevented from being subjected to water fluctuation and impact. In some embodiments, the impingement plate 17 includes a first impingement plate 171, a second impingement plate 172, and a third impingement plate 173. Wherein, the first impingement plate 171 is disposed corresponding to the first liquid level sensor 131, the second impingement plate 172 is disposed corresponding to the second liquid level sensor 132, and the third impingement plate 173 is disposed corresponding to the third liquid level sensor 133.
In some embodiments, impingement plate 17 includes a baffle 174 and a baffle 175 coupled to baffle 174, baffle 174 being disposed above level sensor 13, and baffle 175 being disposed on a side of level sensor 13 and spaced from level sensor 13. The first impingement plate 171, the second impingement plate 172, and the third impingement plate 173 are provided with a baffle 174 and a baffle 175. Among them, the baffle 174 reduces the fluctuation and impact of the water in the water tank 11 in the height direction, and the baffle 175 reduces the fluctuation and impact of the water in the water tank 11 in the width direction. By arranging the baffle 174 and the baffle 175, the fluctuation and impact of the water in the water tank 11 can be reduced in different directions, the measurement errors of the first liquid level sensor 131, the second liquid level sensor 132 and the third liquid level sensor 133 can be reduced, and the measurement results can be prevented from being influenced.
To further ensure the measurement accuracy, when detecting the electrical signals output by the first level sensor 131, the second level sensor 132, and the third level sensor 133, the controller 15 sets a signal delay detection by its internal software program, for example, when a signal change occurs in any one of the first level sensor 131, the second level sensor 132, and the third level sensor 133, and the signal delay detection is performed for a period of time (e.g., 10 seconds), the change of the liquid level state (where the change of the liquid level state refers to the electrical signal corresponding to the change of the liquid level) is determined, and if the signal returns to the original state (where the original state refers to the electrical signal corresponding to the original liquid level) within a period of time (e.g., 10 seconds), the liquid level state (the electrical signal output by the liquid level sensor 13) is determined not to have changed. So set up, combine the delay detection of using impingement plate 17 and controller 15 for the result that first level sensor 131, second level sensor 132, third level sensor 133 measured is more accurate.
In some embodiments, the water supply device 10 further comprises an early warning device 18 electrically connected to the controller 15, and the early warning device 18 is controlled to send out early warning information when the controller 15 detects an abnormality of one of the at least two liquid level sensors 13. In some embodiments, the warning information sent by the warning device 18 may be a voice prompt, a light prompt, or a remote prompt, which is not limited in this application.
In the present embodiment, the first level sensor 131 is located higher than the second level sensor 132, and the second level sensor 132 is located higher than the third level sensor 133. The controller 15 may detect whether an abnormality occurs according to the electrical signals correspondingly output by the first liquid level sensor 131, the second liquid level sensor 132, and the third liquid level sensor 133, and if the abnormality occurs, the controller may send out an early warning message through the early warning device 18. So set up, the operational aspect of first level sensor 131, second level sensor 132, third level sensor 133 can in time be known, improves the security.
In some embodiments, if the first liquid level sensor 131 outputs a high level, which indicates that the liquid level in the water tank 11 is high, the second liquid level sensor 132 and the third liquid level sensor 133 should both output a high level. If one of the second liquid level sensor 132 and the third liquid level sensor 133 detected by the controller 15 does not output a high level, which indicates that one of the liquid level sensors 13 is damaged or abnormal, at this time, the controller can send out an early warning message by controlling the early warning device 18, so as to replace or repair the damaged or abnormal liquid level sensor 13 in time, thereby improving the safety. Similarly, if the second level sensor 132 outputs a high level, the third level sensor 133 should output a high level at this time. If the third liquid level sensor 133 detected by the controller 15 does not output a high level, which indicates that the third liquid level sensor 133 is damaged or abnormal, at this time, the controller may control the early warning device 18 to send out early warning information to replace or repair the damaged or abnormal third liquid level sensor 133 in time.
In some embodiments, if the third liquid level sensor 133 outputs a low level, which indicates that the liquid level in the water tank 11 is low, both the first liquid level sensor 131 and the second liquid level sensor 132 should output the low level. If one of the first liquid level sensor 131 and the second liquid level sensor 132 detected by the controller 15 does not output a low level, which indicates that one of the liquid level sensors 13 is damaged or abnormal, at this time, the controller can send out an early warning message by controlling the early warning device 18, so as to replace or maintain the damaged or abnormal liquid level sensor 13 in time, thereby improving the safety. Similarly, if the second liquid level sensor 132 outputs a low level, the first liquid level sensor 131 should output a low level. If the first liquid level sensor 131 detected by the controller 15 does not output a low level, it indicates that the first liquid level sensor 131 is damaged or abnormal, and at this time, the controller may control the early warning device 18 to send out early warning information to replace or repair the damaged or abnormal first liquid level sensor 131 in time.
In the above embodiment, on the one hand, the controller 15 can control the on/off of the water inlet electric valve 12, the water pump unit 14 and the water discharge electric valve 16 according to the detected electric signals correspondingly output by the first liquid level sensor 131, the second liquid level sensor 132 and the third liquid level sensor 133, so as to realize automatic control and enable the water tank water supply device 10 to normally and circularly operate; on the other hand, the controller 15 can determine whether the first liquid level sensor 131, the second liquid level sensor 132, and the third liquid level sensor 133 are damaged or abnormal according to the detected electric signals output by the first liquid level sensor 131, the second liquid level sensor 132, and the third liquid level sensor 133, so as to improve safety.
In some embodiments, the tank water supply 10 further includes a filter 19, a spray system 20, and a water supply pipe 21 in communication with the spray system 20. The filter 19 is used for filtering impurities in the water tank 11, so that water fed into the water pump unit 14 is kept pure, and the inlet of the water pump unit 14 is prevented from being blocked. The shower system 20 may be a shower, a bath, or the like used by a user, and the shower system 20 is provided in plurality, but not limited thereto.
In some embodiments, a filter 19 is disposed at the first water outlet 112, and is located upstream of the water pump assembly 14, for filtering the water in the water tank 11 and delivering the filtered water to the water pump assembly 14 through the first water outlet 112. In some embodiments, the sprinkler system 20 communicates with the pump assembly 14 through a water supply pipe 21.
The water tank supply apparatus 10 shown in the above-described embodiment of fig. 1 and 2 may be applied to a water chiller (not shown). The chiller may include a closed cooling tower or an evaporative cooling chiller. In some embodiments, the chiller includes a closed cooling tower. The closed cooling tower is characterized in that the tubular heat exchanger is arranged in the tower, and the cooling effect is ensured through heat exchange of circulating air, spray water outside the pipe and circulating water inside the pipe. In other embodiments, the chiller comprises an evaporative cooling chiller. The water pump unit 14 provided in the evaporative cooling water chiller includes a shutdown condition and an on condition. The evaporative cooling type water chilling unit and the closed cooling tower are provided with the liquid level sensors 13 with different heights by using the water tank water supply device 10, so that the liquid level requirements of different working conditions of the water pump unit 14 can be met, excessive water supplement can be avoided, the volume of the water tank is reduced, and the water consumption is reduced.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. A water supply device for a water tank, comprising:
the water tank is provided with a first water inlet and a first water outlet;
the water inlet electric valve is communicated with the first water inlet;
the at least two liquid level sensors are arranged on the side wall of the water tank and comprise a first liquid level sensor and a second liquid level sensor, and the position of the first liquid level sensor is higher than that of the second liquid level sensor;
the water pump unit is communicated with the first water outlet, the position of the water pump unit is lower than that of the second liquid level sensor, and the water pump unit comprises a stop working condition and an opening working condition; and
the controller is electrically connected with the water inlet electric valve, the at least two liquid level sensors and the water pump unit;
when the water pump unit is in the shutdown working condition, the controller controls the on-off of the water inlet electric valve according to a first electric signal output by the first liquid level sensor; and when the water pump unit is in the starting working condition, the controller controls the on-off of the water inlet electric valve according to a second electric signal output by the second liquid level sensor.
2. The water tank supply of claim 1 wherein the at least two level sensors further comprise a third level sensor positioned lower than the second level sensor and positioned higher than the water pump assembly; the controller also controls the on-off of the water pump unit according to a third electric signal output by the third liquid level sensor.
3. The water supply apparatus for a water tank as recited in claim 1, further comprising a baffle plate disposed at a side wall of the water tank and disposed corresponding to the liquid level sensor.
4. The water supply device for the water tank as claimed in claim 3, wherein the baffle plate comprises a baffle plate and a baffle plate connected with the baffle plate, the baffle plate is arranged above the liquid level sensor, and the baffle plate is arranged on one side of the liquid level sensor and has a distance with the liquid level sensor.
5. A water supply device for a water tank as claimed in claim 1, wherein said water tank further comprises an overflow port and a water discharge port, said water supply device further comprises a water discharge electric valve communicated with said water discharge port, said overflow port is positioned higher than said first liquid level sensor, and said water discharge port is positioned lower than said pumping unit; the controller is also electrically connected with the electric drainage valve, and when the overflow gap overflows, the controller controls the electric drainage valve to be opened so as to discharge water in the water tank.
6. The water tank supply device according to claim 1, further comprising a filter disposed at the first water outlet, located upstream of the pump unit, for filtering water in the water tank and delivering the filtered water to the pump unit through the first water outlet; and/or
The water tank water supply device further comprises a spraying system and a water supply pipe communicated with the spraying system, and the spraying system is communicated with the water pump unit through the water supply pipe.
7. The water supply device for the water tank as claimed in claim 1, further comprising an early warning device electrically connected to the controller, wherein the early warning device is controlled to send out early warning information when the controller detects an abnormality of one of the at least two liquid level sensors.
8. The water tank supply of claim 1 wherein the level sensor comprises a level switch; and/or
The water inlet electric valve comprises an electric ball valve.
9. A water chilling unit including a water tank supply as claimed in any one of claims 1 to 8.
10. The chiller according to claim 9 wherein said chiller comprises a closed cooling tower or an evaporative cooling chiller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120964146.3U CN215295879U (en) | 2021-05-07 | 2021-05-07 | Water tank water supply device and water chilling unit comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120964146.3U CN215295879U (en) | 2021-05-07 | 2021-05-07 | Water tank water supply device and water chilling unit comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215295879U true CN215295879U (en) | 2021-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120964146.3U Active CN215295879U (en) | 2021-05-07 | 2021-05-07 | Water tank water supply device and water chilling unit comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215295879U (en) |
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2021
- 2021-05-07 CN CN202120964146.3U patent/CN215295879U/en active Active
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