CN214094886U - Constant pressure tank mode constant pressure water replenishing device - Google Patents
Constant pressure tank mode constant pressure water replenishing device Download PDFInfo
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- CN214094886U CN214094886U CN202023334233.5U CN202023334233U CN214094886U CN 214094886 U CN214094886 U CN 214094886U CN 202023334233 U CN202023334233 U CN 202023334233U CN 214094886 U CN214094886 U CN 214094886U
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Abstract
The application relates to a constant-pressure tank mode constant-pressure water supplementing device which is used for keeping the pressure of a system pipeline stable and comprises a constant-pressure tank, a water inlet valve, a water discharge valve, a water supplementing pump, a pressure relief valve, an electric cabinet and a pressure sensor, wherein the water inlet valve, the water discharge valve, the water supplementing pump and the pressure relief valve are all communicated with the constant-pressure tank; pressure sensor, moisturizing pump and relief valve all with electric cabinet communicably be connected. By the arrangement, the occupied area can be reduced by using the normal pressure tank, and the construction cost is saved; and high-pressure water in the system pipeline can be discharged into the normal pressure tank through the pressure release valve, collected and replenished for use again, and waste of water resources is avoided.
Description
Technical Field
The application relates to the technical field of constant-pressure water supplementing devices, in particular to a constant-pressure tank mode constant-pressure water supplementing device.
Background
The constant pressure water supplementing device is a constant pressure water supplementing device commonly used in an air-conditioning heating system at present. The central air-conditioning system or other systems which widely adopt water or glycol as heat transfer medium in various markets, factories and modern office buildings can automatically stabilize and replenish water, and compared with the traditional open expansion water tank for constant pressure, the constant pressure expansion water tank has the advantages of flexible installation position, no noise pollution, no gas pollution and the like. Therefore, the air conditioner is widely applied to the heating, ventilation and constant pressure industry.
Traditional level pressure moisturizing device is in the construction high flush tank, puts into high flush tank with the running water earlier, passes through the water pump introduction system pipeline with the water in the high flush tank again, and then comes the water pressure in the governing system pipeline through high flush tank, but high flush tank's construction cost is great, and has great area, is unfavorable for resources are saved.
Moreover, when the water pressure in the system pipeline is large, the traditional constant-pressure water supplementing device can discharge water in the system through the safety valve so as to reduce the pressure in the system pipeline, therefore, water resource waste can be caused, and the demand for tap water is increased.
Therefore, how to solve the problems of large construction cost, large occupied space and large water resource consumption of the existing constant-pressure water replenishing device is a key technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
For overcoming the problem that exists in the correlation technique to a certain extent at least, the aim at of this application provides a normal pressure jar mode level pressure moisturizing device, and it can solve current level pressure moisturizing device construction cost big, and occupation space is big, and the problem that the water resource consumption volume is big. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the application are described in detail in the following.
The application provides a constant-pressure tank mode constant-pressure water supplementing device which is used for keeping the pressure of a system pipeline stable and comprises a constant-pressure tank, a water inlet valve, a water discharge valve, a water supplementing pump, a pressure relief valve, an electric cabinet and a pressure sensor for monitoring the pressure of the system pipeline, wherein the water inlet valve, the water discharge valve, the water supplementing pump and the pressure relief valve are all communicated with the constant-pressure tank; the pressure sensor, the water replenishing pump and the pressure relief valve are all connected with the electric cabinet in a communication mode, when the pressure of the system pipeline is larger than preset pressure, the electric cabinet controls the pressure relief valve to be opened, and when the system pressure is smaller than the preset pressure, the electric cabinet controls the water replenishing pump to be opened.
Preferably, a liquid level sensing assembly used for sensing the liquid level inside the normal pressure tank is arranged in the normal pressure tank, the water inlet valve, the drain valve and the liquid level sensing assembly are all connected with the electric cabinet in a communication mode, when the sensing liquid level of the liquid level sensing assembly is larger than a preset liquid level, the controller controls the drain valve to be opened, and when the sensing liquid level of the liquid level sensing assembly is smaller than the preset liquid level, the controller controls the water inlet valve to be opened.
Preferably, a diaphragm capsule is arranged in the normal pressure tank, nitrogen is filled between the diaphragm capsule and the normal pressure tank, and the water inlet valve, the water discharge valve, the water replenishing pump and the pressure release valve are all communicated with the inside of the diaphragm capsule.
Preferably, a filter is arranged between the pressure relief valve and the system pipeline.
Preferably, the pressure sensor is disposed between the make-up pump and the system piping.
Preferably, a safety valve is arranged between the water replenishing pump and the pressure sensor.
Preferably, the make-up water pumps are connected in parallel and provided with at least two water pumps.
Preferably, a check valve facing the system pipeline is arranged between the water replenishing pump and the system pipeline.
Preferably, the water inlet valve and the water discharge valve are communicated with the bottom of the normal pressure tank through a first water pipe; and the water replenishing pump and the pressure release valve are communicated with the bottom of the normal pressure tank through a second water pipe.
Preferably, the top of the atmospheric pressure tank is provided with a vent.
The technical scheme provided by the application can comprise the following beneficial effects:
the normal pressure tank is used for storing and adjusting the water volume of the system pipeline which is contracted or expanded due to the temperature change, the occupied area is small, the investment is saved, the installation is fast, the operation management and the maintenance are simple and convenient, a high level water tank in a building is saved, the structural investment is saved, the normal pressure tank plays a role in buffering, and the influence of water hammer on the system pipeline can be eliminated. When the temperature of water is increased, the water capacity of a system pipeline is increased, and water enters the normal-pressure tank through the pressure release valve; when the water temperature is reduced, the water capacity of the system pipeline is reduced, and when the pressure value of the pipe network does not reach the set pressure, the set pressure is supplemented by the water supplementing pump, so that the purpose of constant pressure is achieved. By the arrangement, the occupied area can be reduced by using the normal pressure tank, and the construction cost is saved; and high-pressure water in the system pipeline can be discharged into the normal pressure tank through the pressure release valve, collected and replenished for use again, and waste of water resources is avoided.
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 application.
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.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a system connection diagram of the present constant pressure tank mode constant pressure refill apparatus, according to some exemplary embodiments;
FIG. 2 is a system connection diagram of the present constant pressure tank mode constant pressure refill apparatus, according to further exemplary embodiments;
FIG. 3 is a front view of the present constant pressure tank mode constant pressure refill apparatus shown in accordance with some exemplary embodiments;
fig. 4 is a bottom view of the present constant pressure tank mode constant pressure refill apparatus, according to some exemplary embodiments.
In the figure: 1. a normal pressure tank; 2. a water inlet valve; 3. a drain valve; 4. a water replenishing pump; 5. a pressure relief valve; 6. a pressure sensor; 7. an electric cabinet; 8. a filter; 9. a safety valve; 10. a one-way valve; 11. a membrane capsule; 100. and (4) a system pipeline.
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 or methods consistent with aspects of the present application.
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to fig. 1 to 4, the present embodiment provides a normal pressure tank mode constant pressure water replenishing device, including a normal pressure tank 1, a water inlet valve 2, a water discharge valve 3, a water replenishing pump 4, a pressure release valve 5, an electric cabinet 7 and a pressure sensor 6, where the normal pressure tank 1 is used for bearing and buffering water flowing into a system, and specifically, the normal pressure tank 1 is a cylindrical tank structure, which is beneficial to saving occupied space; one end of the water inlet valve 2 is communicated with a tap water pipeline or a water pressure pipeline, the other end of the water inlet valve is communicated with the normal pressure tank 1, the water inlet state of the normal pressure tank 1 is controlled by the on-off of the water inlet valve 2, and the water inlet valve 2 is communicated with a municipal pipe network; the first end of the drain valve 3 is communicated with the normal pressure tank 1, and the other end of the drain valve is communicated with a smooth drain pipeline, so that the water is discharged to the outside of the system when the liquid level in the normal pressure tank 1 is ultrahigh.
The water replenishing pump 4 is communicated between the normal pressure tank 1 and the system pipeline 100, and when the pressure of the system pipeline 100 is lower, water in the normal pressure tank 1 can be conveyed into the system pipeline 100 through the action of the water replenishing pump 4; the pressure relief valve 5 is communicated between the normal pressure tank 1 and the system pipeline 100, and when the pressure of the system pipeline 100 is large, the pressure relief valve 5 is opened to convey water in the system pipeline 100 into the normal pressure tank 1.
The pressure sensor 6 is used for detecting the pressure in the system pipeline 100 in real time so as to perform correction control on the pressure in the system pipeline 100; pressure sensor 6, water make-up pump 4 and relief valve 5 all are connected with electric cabinet 7 communicably, and electric cabinet 7 can be according to the pressure signal of the pressure sensor 6 who obtains, control water make-up pump 4 and relief valve 5. When the pressure of the system pipeline 100 is greater than the preset pressure, the electric cabinet 7 controls the pressure relief valve 5 to be opened, and when the system pressure is less than the preset pressure, the electric cabinet 7 controls the water replenishing pump 4 to be opened. Therefore, the pressure in the system pipeline 100 can be controlled in real time, the actual pressure is ensured to be within the range of the preset pressure, and the water in the system pipeline 100 is further ensured to have constant pressure. Here, the preset pressure is a pressure range set by the system.
The normal pressure tank 1 is used for storing and adjusting the water volume of the system pipeline 100 which is contracted or expanded due to the temperature change, the occupied area is small, the investment is saved, the installation is fast, the operation management and the maintenance are simple and convenient, a high-level water tank in a building is saved, the structural investment is saved, the normal pressure tank 1 plays a role in buffering, and the influence of water hammer on the system pipeline 100 can be eliminated. When the temperature of water is increased, the water capacity of the system pipeline 100 is increased, and water enters the normal pressure tank 1 through the pressure release valve 5; when the water temperature is reduced, the water capacity of the system pipeline 100 is reduced, and when the pressure value of the pipe network does not reach the set pressure, the set pressure is supplemented by the water supplementing pump 4, so that the purpose of constant pressure is achieved.
By the arrangement, the occupied area can be reduced by using the normal pressure tank 1, and the construction cost is saved; and the high-pressure water in the system pipeline 100 can be discharged into the normal pressure tank 1 through the pressure relief valve 5, collected and replenished for use again, and the waste of water resources is avoided.
In this embodiment, be provided with liquid level response subassembly in the ordinary pressure jar 1 for the inside liquid level of response ordinary pressure jar 1, water intaking valve 2, drain valve 3 and liquid level response subassembly are all communicably be connected with electric cabinet 7, and when the response liquid level of liquid level response subassembly was greater than predetermineeing the liquid level, controller control drain valve 3 was opened, and when the response liquid level of liquid level response subassembly was less than predetermineeing the liquid level, controller control water intaking valve 2 was opened. Like this, can control the liquid level in the atmospheric pressure jar 1 in real time, guarantee that the actual liquid level is in the within range of predetermineeing the liquid level, and then guarantee that the water in the atmospheric pressure jar 1 has invariable pressure. Here, the preset level is a level range set by the system.
Specifically, the liquid level sensing assembly may include a high level float and a low level float, which are at a high level when the high level float floats and at a low level when the low level float falls.
A diaphragm capsule 11 is arranged in the normal pressure tank 1, nitrogen is filled between the diaphragm capsule 11 and the normal pressure tank 1, and the water inlet valve 2, the water discharge valve 3, the water replenishing pump 4 and the pressure release valve 5 are communicated with the inside of the diaphragm capsule 11, so that water and the inner wall of the normal pressure tank 1 can be isolated through the diaphragm capsule 11, and pollution or corrosion can be prevented.
In order to protect the pressure relief valve 5, a filter 8 is arranged between the pressure relief valve 5 and the system pipeline 100, and particulate matters and impurities generated in the system pipeline 100 can be filtered out through the filter 8, so that the pressure relief valve 5 can be prevented from being blocked, and the impurities in the system pipeline 100 can be removed.
Specifically, the atmospheric tank 1 and the system line 100 are communicated by a pressure relief pipe, and the pressure relief valve 5 and the filter 8 are provided on the pressure relief pipe.
In some embodiments, the pressure sensor 6 is disposed between the make-up pump 4 and the system pipeline 100, so that when the make-up pump 4 is turned on, the pressure sensor 6 can timely acquire the pressure of the system pipeline 100 to prevent the pressure of the system pipeline 100 from being too high.
Further, a safety valve 9 is arranged between the water replenishing pump 4 and the pressure sensor 6, and when the pressure relief valve 5 fails, high-pressure water in the system pipeline 100 can be drained through the safety valve 9, so that the system safety is improved.
Specifically, a water replenishing pipe is arranged between the normal pressure tank 1 and the system pipeline 100, and the water replenishing pump 4, the safety valve 9 and the pressure sensor 6 are all arranged on the water replenishing pipe.
In some preferred schemes, at least two water replenishing pumps 4 are connected in parallel, and when one of the water replenishing pumps 4 breaks down, the other water replenishing pump 4 can work, so that the safety and reliability are improved.
And, be provided with check valve 10 between moisturizing pump 4 and system pipeline 100, the setting of check valve 10 only can make water flow to system pipeline 100 from ordinary pressure jar 1, and then avoids system pipeline 100's high pressure water to flow back to ordinary pressure jar 1 by the moisturizing pipe, and the one-way pipeline sets up, is favorable to protecting moisturizing pump 4.
In some embodiments, the water inlet valve 2 and the water discharge valve 3 are communicated with the bottom of the atmospheric tank 1 through a first water pipe, and the water replenishing pump 4 and the pressure release valve 5 are communicated with the bottom of the atmospheric tank 1 through a second water pipe. Can reduce the pipeline connector quantity of ordinary pressure jar 1 like this, first water pipe and second water pipe are located the bottom moreover, are favorable to guaranteeing intraductal pressure.
In order to ensure the stable pressure inside the atmospheric tank 1, the top of the atmospheric tank 1 is provided with a vent, so that the inside of the atmospheric tank 1 is consistent with the outside atmospheric pressure.
It should be noted that the terms "first," "second," and the like, as used herein, are not intended to limit the specific order, but merely to distinguish one element or function from another. The stated horizontal, vertical, up, down, left and right are the ones when the constant pressure water replenishing device is in natural state.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The multiple schemes provided by the application comprise basic schemes of the schemes, are independent of each other and are not restricted to each other, but can be combined with each other under the condition of no conflict, so that multiple effects are achieved together.
While embodiments of the present application have been shown and described above, it is to be understood that the above embodiments are exemplary and not to be construed as limiting the present application, and that changes, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. The constant-pressure tank mode constant-pressure water supplementing device is used for keeping the pressure of a system pipeline (100) stable and is characterized by comprising a constant-pressure tank (1), a water inlet valve (2), a water drain valve (3), a water supplementing pump (4), a pressure release valve (5), an electric cabinet (7) and a pressure sensor (6) used for monitoring the pressure of the system pipeline (100), wherein the water inlet valve (2), the water drain valve (3), the water supplementing pump (4) and the pressure release valve (5) are communicated with the constant-pressure tank (1), one end, far away from the constant-pressure tank (1), of the water inlet valve (2) is communicated with a tap water pipeline or a pressure pipeline, one end, far away from the constant-pressure tank (1), of the water supplementing pump (4) is communicated with the system pipeline (100) and used for conveying the water of the constant-pressure tank (1) to the system pipeline (100), and one end, far away from the constant-pressure tank (1), of the pressure release valve (5) is communicated with the system pipeline (100), For conveying the water of the system pipe (100) to the atmospheric tank (1); the pressure sensor (6), the water replenishing pump (4) and the pressure relief valve (5) are all connected with the electric cabinet (7) in a communication mode, when the pressure of the system pipeline (100) is larger than preset pressure, the electric cabinet (7) controls the pressure relief valve (5) to be opened, and when the system pressure is smaller than the preset pressure, the electric cabinet (7) controls the water replenishing pump (4) to be opened.
2. The constant-pressure tank mode constant-pressure water replenishing device according to claim 1, wherein a liquid level sensing assembly for sensing the liquid level inside the constant-pressure tank (1) is arranged in the constant-pressure tank (1), the water inlet valve (2), the water discharge valve (3) and the liquid level sensing assembly are all communicably connected with the electric control box (7), when the sensing liquid level of the liquid level sensing assembly is greater than a preset liquid level, the controller controls the water discharge valve (3) to be opened, and when the sensing liquid level of the liquid level sensing assembly is less than the preset liquid level, the controller controls the water inlet valve (2) to be opened.
3. The constant-pressure tank mode constant-pressure water replenishing device according to claim 1, wherein a diaphragm capsule (11) is arranged in the constant-pressure tank (1), nitrogen is filled between the diaphragm capsule (11) and the constant-pressure tank (1), and the water inlet valve (2), the water discharge valve (3), the water replenishing pump (4) and the pressure release valve (5) are communicated with the inside of the diaphragm capsule (11).
4. The atmospheric-pressure-tank-mode constant-pressure water replenishing device according to claim 1, wherein a filter (8) is arranged between the pressure relief valve (5) and the system pipeline (100).
5. The atmospheric-tank-mode constant-pressure water replenishing device according to claim 1, wherein the pressure sensor (6) is arranged between the water replenishing pump (4) and the system pipeline (100).
6. The atmospheric-tank-mode constant-pressure water replenishing device according to claim 5, wherein a safety valve (9) is provided between the water replenishing pump (4) and the pressure sensor (6).
7. The atmospheric-pressure-tank-mode constant-pressure water replenishing device according to claim 1, wherein at least two water replenishing pumps (4) are arranged in parallel.
8. The atmospheric-pressure-tank-mode constant-pressure water replenishing device according to claim 1, wherein a one-way valve (10) facing the system pipeline (100) is arranged between the water replenishing pump (4) and the system pipeline (100).
9. The atmospheric tank mode constant-pressure water replenishing device according to claim 1, wherein the water inlet valve (2) and the water discharge valve (3) are communicated with the bottom of the atmospheric tank (1) through a first water pipe; the water replenishing pump (4) and the pressure release valve (5) are communicated with the bottom of the normal pressure tank (1) through a second water pipe.
10. The atmospheric pressure tank mode constant pressure water replenishing device according to claim 9, characterized in that the top of the atmospheric pressure tank (1) is provided with an air vent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023334233.5U CN214094886U (en) | 2020-12-31 | 2020-12-31 | Constant pressure tank mode constant pressure water replenishing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023334233.5U CN214094886U (en) | 2020-12-31 | 2020-12-31 | Constant pressure tank mode constant pressure water replenishing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116891266A (en) * | 2023-06-30 | 2023-10-17 | 上海奥栋机电有限公司 | Intelligent water retention unit |
| CN117566938A (en) * | 2023-11-13 | 2024-02-20 | 山东波鸿轨道交通装备科技有限公司 | A voltage regulator device that is used for many quenching stations of high-speed railway wheel to supply water |
-
2020
- 2020-12-31 CN CN202023334233.5U patent/CN214094886U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116891266A (en) * | 2023-06-30 | 2023-10-17 | 上海奥栋机电有限公司 | Intelligent water retention unit |
| CN117566938A (en) * | 2023-11-13 | 2024-02-20 | 山东波鸿轨道交通装备科技有限公司 | A voltage regulator device that is used for many quenching stations of high-speed railway wheel to supply water |
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