CN213205946U - Water pump vacuum degree detection device - Google Patents
Water pump vacuum degree detection device Download PDFInfo
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- CN213205946U CN213205946U CN202021450549.8U CN202021450549U CN213205946U CN 213205946 U CN213205946 U CN 213205946U CN 202021450549 U CN202021450549 U CN 202021450549U CN 213205946 U CN213205946 U CN 213205946U
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Abstract
The utility model discloses a water pump vacuum degree detection device, which comprises a diversion pump, wherein the diversion pump is connected with a water inlet pipe and a water outlet pipe; the water bucket is characterized by further comprising a water bucket, wherein the top end of the water bucket is connected with a water outlet pipe, the bottom end of the water bucket is connected with a water diversion pump through a circulating water inlet pipe, and a gate valve is arranged between the water bucket and the water diversion pump; a first water flowing hole is formed in the upper end of the side wall of the bucket, a second water flowing hole is formed in the upper end of the side wall of the opposite end of the first water flowing hole, and a third water flowing hole is formed in the middle of the side wall; and a duck tongue switch is arranged in the second flow hole, and the duck tongue switch and the gate valve are both externally connected with a PLC control cabinet. The utility model has simple structure, small volume, easy installation and convenient operation and use; the influence of water level depth and atmospheric pressure is avoided, and the vacuum degree detection accuracy is 100%; the investment cost is low, and the operation is stable and reliable.
Description
Technical Field
The utility model relates to a water pump vacuum detects technical field, especially relates to a water pump vacuum detection device.
Background
The suction type water pump needs to discharge air into the pump body before starting the pump, water is filled between the impellers, and the key for starting the pump is that how to judge that the air in the water pump is completely discharged and the water is filled in the impellers. The common methods are as follows: (1) a water circulation type vacuum pump air exhaust device; (2) the high-pressure jet pump device is used for taking out air in the pump through high-pressure water flow; (3) the water reverse filling method device is used for discharging air in the pump by injecting clear water into the pump; (4) the water diversion device of the submersible pump adopts the high-flow low-lift submersible pump to lead water into the pump and discharge air in the pump.
In the above mode, no matter which mode is selected, 1 negative pressure sensor is required to be installed at the water inlet pipe of the water pump, and the conditions that whether the vacuum is achieved and the pump can be started are determined by observing the numerical value or preset data of the negative pressure sensor; however, the set negative pressure value is a fixed value, and the monitored negative pressure value is influenced by the local atmosphere and the depth of the water level of the water pool, for example, when the water level of the water pool is deep, more water is pressed into the water pump, and when the monitored negative pressure value is small (smaller in absolute value), the pump can be started; on the contrary, the pump cannot be started, which brings inaccurate judgment on vacuum, and if the negative pressure value for starting the pump is set to be too high, the waiting time for starting the pump is longer; if the pump-on negative pressure is set too low, the pump body is not necessarily vacuum, and once the pump is started, the pump can idle, and finally the pump is burnt.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that current water pump vacuum detection device all needs 1 negative pressure sensor of installation in water pump inlet tube department, and vacuum detection easily receives the influence of local atmospheric pressure, pond water level height, and is not accurate to the detection of vacuum, and the input cost is high, and the operation is unstable, still can lead to burning the pump accident under the extreme condition. The utility model provides a water pump vacuum degree detection device for solving the problems, which is not affected by the local atmospheric pressure and the water level of a pool in the vacuum degree detection process, and the detection accuracy rate reaches 100%; the vacuum degree is detected fully automatically without manual field observation or remote video monitoring; the device has the advantages of small volume, easy installation and implementation, low investment cost and stable and reliable operation.
The utility model discloses a following technical scheme realizes:
a water pump vacuum degree detection device comprises a water diversion pump, wherein the water diversion pump is connected with a water inlet pipe and a water outlet pipe;
the water bucket is characterized by further comprising a water bucket, wherein the top end of the water bucket is connected with a water outlet pipe, the bottom end of the water bucket is connected with a water diversion pump through a circulating water inlet pipe, and a gate valve is arranged between the water bucket and the water diversion pump;
a first water flowing hole is formed in the upper end of the side wall of the bucket, a second water flowing hole is formed in the upper end of the side wall of the opposite end of the first water flowing hole, and a third water flowing hole is formed in the middle of the side wall; and a duck tongue switch is arranged in the second flow hole, and the duck tongue switch and the gate valve are both externally connected with a PLC control cabinet.
The working principle is as follows:
based on current water pump vacuum detection device all need install 1 negative pressure sensor in water pump inlet tube department, and vacuum detection is easily received local atmospheric pressure, pond water level height's influence, and is not accurate to the detection of vacuum, and the input cost is high, and the operation is unstable, still can lead to the pump accident of burning under the extreme condition.
The utility model adopts the above scheme, through installing a cask additional at the outlet end of the diversion pump (such as hydrologic cycle vacuum pump), the cask links to each other with hydrologic cycle vacuum pump, and install a gate valve additional in the middle, on the one hand is to supply water for the vacuum pump when starting the vacuum pump, play the sealing effect, on the other hand is to cool down for the vacuum pump; set up the discharge opening of co-altitude, equidimension not on this cask, wherein first discharge opening is as the heavy-calibre overflow mouth of high-order, and the third discharge opening is as the overflow mouth of meso position, ensures that enough water can satisfy the moisturizing needs of vacuum pump in the cask like this and after the water pump air exhaust, the vacuum pump is taken a large amount of water out and is passed through first discharge opening outflow, avoids splashing out at will from the bucket edge. When in detection: 1 duck tongue switch is arranged at a second water flowing port in the bucket, when air in the vacuum pump is exhausted, the speed and the flow of water flowing out of the vacuum pipeline are far greater than the speed and the flow of water flowing out of the hole in the bucket, so that the bucket can be quickly filled with water, the duck tongue switch can be floated to be closed by the filled water, and the pump is started through an external PLC control cabinet; after the water pump is started, the vacuum pump is closed, the gate valve on the water leading pipeline is closed, water in the bucket can flow out from the third water flow hole of the bucket and is finally flushed with the lower tangent line of the third water flow hole, water is reserved for the vacuum pump, and meanwhile, the duck tongue switch automatically droops to reset.
The utility model discloses simple structure, small in size, easily installation, and operation convenient to use, and the detection rate of accuracy is high, and the input cost is low, and the operation is reliable and stable.
Preferably, the distance between the first water flowing hole and the top of the water bucket is 10 cm, and the vertical distance between the first water flowing hole and the second water flowing hole is 50 cm; the vertical distance between the third water flow hole and the connecting port of the circulating water pipe of the vacuum pump is 30 cm; the utility model discloses whole scheme is implemented fairly simplely, only needs to open 3 apertures on the cask that links to each other with the vacuum pump, is located cask lateral wall upper portion, cask lateral wall middle part respectively for quick flowing water, installation duck tongue switch, natural overflow water, and duck tongue switch small in size easily installs on the cask, and in the use, the duck tongue switch does not receive quality of water, impurity, external because of mutual interference such as iron embroidery, and its structure can still nimble activity.
Preferably, the diameter of the first flow hole 6 and the third flow hole 8 is determined according to the flow of the pipeline of the pump room; the diameter of the first water flowing hole can be 25mm, the diameter of the third water flowing hole can be 200mm-300mm, the first water flowing hole with the same caliber ensures fast flowing water, and the third water flowing hole ensures natural overflow water.
Preferably, the first water flow hole is externally connected with a water pipe, and the third water flow hole is externally connected with a water pipe, so that overflowing water is conveniently and safely discharged and collected through the external water pipe.
Preferably, the priming pump is a water circulation type vacuum pump.
Preferably, the gate valve adopts the solenoid valve, and the gate valve on the connecting line between vacuum pump and the cask avoids the cask in the water stream futilely, for the realization of cooperation automatic centralized control function, replaces manual gate valve for the solenoid valve to can cooperate the time delay relay to use, when starting the vacuum pump, the solenoid valve is automatic to be opened, for the vacuum pump moisturizing, lasts for a period of time after, by time delay relay disconnection solenoid valve power, closes the moisturizing function.
Preferably, inlet tube, outlet pipe, cask, circulation inlet tube all adopt stainless steel, durable does not receive the aqueous vapor influence.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model has simple structure, small volume, easy installation and convenient operation and use; the influence of water level depth and atmospheric pressure is avoided, and the vacuum degree detection accuracy is 100%; the investment cost is low, and the operation is stable and reliable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Reference numbers and corresponding part names in the drawings:
the water-saving device comprises a water guide pump 1, a water inlet pipe 2, a water outlet pipe 3, a water bucket 4, a gate valve 5, a first water flowing hole 6, a second water flowing hole 7, a third water flowing hole 8, a duck tongue switch 9, a circulating water inlet pipe 10 and a PLC control cabinet 11.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
As shown in fig. 1, the vacuum degree detection device of the water pump of the present invention comprises a water pump 1, wherein the water pump 1 is connected with a water inlet pipe 2, and the water pump 1 is connected with a water outlet pipe 3;
the water dispenser is characterized by further comprising a water bucket 4, wherein the top end of the water bucket 4 is connected with a water outlet pipe 3, the bottom end of the water bucket 4 is connected with a water diversion pump 1 through a circulating water inlet pipe 10, and a gate valve 5 is arranged between the water bucket 4 and the water diversion pump 1;
a first water flowing hole 6 is formed in the upper end of the side wall of the water bucket 4, a second water flowing hole 7 is formed in the upper end of the side wall at the opposite end of the first water flowing hole 6, and a third water flowing hole 8 is formed in the middle of the side wall; a duck tongue switch 9 is installed in the second flow hole 7, and the duck tongue switch 9 and the gate valve 5 are both externally connected with a PLC control cabinet 11.
As a further preferable scheme, the first water flowing hole 6 is 10 cm away from the top of the water bucket 4, and the vertical distance between the first water flowing hole 6 and the second water flowing hole 7 is 50 cm; the vertical distance between the third water flow hole 8 and the connecting port of the circulating water pipe of the vacuum pump is 30 cm; the utility model discloses whole scheme is implemented fairly simplely, only need open 3 apertures on 4 tops of cask that link to each other with the vacuum pump, be located 4 lateral wall upper portions of cask, 4 lateral wall middle parts of cask respectively, be used for quick flowing water, installation duck tongue switch 9, natural overflow water, and duck tongue switch 9 small in size, easily install on cask 4, and in the use, duck tongue switch 9 does not receive quality of water, impurity, external because of mutual interference such as iron embroidery, its structure activity that can still be nimble.
As a further preferable scheme, in a specific implementation, the diameter of the first water flow hole 6 and the third water flow hole 8 is determined according to the flow rate of the pipeline of the pump room; in this embodiment, the diameter of the first water flow hole 6 is 25mm, and the diameter of the third water flow hole 8 is 200mm-300mm, so that the first water flow hole 6 with the same diameter guarantees fast water flow, and the third water flow hole 8 guarantees natural overflow water.
As a further preferable scheme, a water pipe is externally connected to the first water flow hole 6, and a water pipe is externally connected to the third water flow hole 8, so that overflowing water can be drained and collected safely through the external water pipe.
Preferably, the priming pump 1 is a water circulation type vacuum pump.
As a further preferred scheme, the gate valve 5 adopts an electromagnetic valve, the gate valve 5 on a connecting pipeline between the vacuum pump and the water bucket 4 is used for preventing water in the water bucket 4 from flowing dry, the manual gate valve 5 is replaced by the electromagnetic valve for realizing the matching of an automatic centralized control function, and the electromagnetic valve can be used in matching with a delay relay, when the vacuum pump is started, the electromagnetic valve is automatically opened to supplement water for the vacuum pump, after a period of time, the power supply of the electromagnetic valve is cut off by the delay relay, and the water supplement function is closed.
As a further preferred scheme, the water inlet pipe 2, the water outlet pipe 3, the water bucket 4 and the circulating water inlet pipe 10 are made of stainless steel materials, are durable and are not affected by water vapor.
When in implementation: the utility model adds a bucket 4 at the water outlet end of a water pump 1 (such as a water circulation type vacuum pump), the bucket 4 is connected with the water circulation type vacuum pump, and a gate valve 5 is added in the middle, on one hand, the water is supplemented for the vacuum pump when the vacuum pump is started, the sealing function is achieved, and on the other hand, the temperature is reduced for the vacuum pump; set up the discharge opening of co-altitude, equidimension not on this cask 4, wherein first discharge opening 6 is as the heavy-calibre overflow mouth of high-order, and third discharge opening 8 is as the overflow mouth of meso-position, ensures that enough water can satisfy the moisturizing needs of vacuum pump in cask 4 like this and after the water pump air removal, the vacuum pump takes a large amount of water out through first discharge opening 6 outflow, avoids splashing out at will from the bucket edge.
When in detection: a duck tongue switch 9 is arranged at a second water flowing port in the water bucket 4, when air in the vacuum pump is exhausted, the speed and the flow of water flowing out from a vacuum pipeline are far greater than the speed and the flow of water flowing out from a hole in the water bucket 4, so that the water bucket 4 can be quickly filled with water, the duck tongue switch 9 can be floated to be closed by the filled water, and the pump is started through an external PLC control cabinet 11; after the water pump is started, the vacuum pump is closed, the gate valve 5 on the water diversion pipeline is closed, water in the water bucket 4 flows out from the third water flow hole 8 of the water bucket 4, and finally is flush with the lower tangent line of the third water flow hole 8, water is reserved for the vacuum pump, and meanwhile, the duck tongue switch 9 automatically droops and resets.
The utility model has reasonable structural design, and utilizes the advantages that after the air in the pump is exhausted, the water flow and the speed of the water outlet pipe 3 of the vacuum pump are higher, the flow of the overflow port of the water bucket 4 is lower, so that the water bucket 4 can be quickly filled, the duck tongue switch 9 is supported on a floating point and is contacted with a fixed contact, and a dry node signal is output; when the water pump is started and the vacuum pump is closed, water in the water bucket 4 naturally flows out through the third water flowing hole 8 (namely the overflow port) until the water is level with the third water flowing hole 8, and at the moment, the floating point of the duck tongue switch 9 naturally droops. The whole working process is not influenced by the depth of the water level of the water pool and the local atmospheric pressure, and the vacuum degree can be accurately detected by 100 percent.
Meanwhile, the utility model utilizes the free sag reset of the duck tongue switch 9 and the free floating contact after the duck tongue switch is filled with water to contact with the fixed contact, outputs a dry node to the external PLC control cabinet 11, and judges whether the air is exhausted in the water pump or not by the external PLC control cabinet 11; the whole process does not need personnel to participate, and remote video monitoring is not needed.
The utility model has simple structure, small volume, easy installation, convenient operation and use, no influence of water level depth and atmospheric pressure, and 100 percent of accurate vacuum degree detection; the investment cost is low, and the operation is stable and reliable.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The water pump vacuum degree detection device is characterized by comprising a water diversion pump (1), wherein the water diversion pump (1) is connected with a water inlet pipe (2), and the water diversion pump (1) is connected with a water outlet pipe (3);
the water dispenser is characterized by further comprising a water bucket (4), the top end of the water bucket (4) is connected with a water outlet pipe (3), the bottom end of the water bucket (4) is connected with a water diversion pump (1) through a circulating water inlet pipe (10), and a gate valve (5) is arranged between the water bucket (4) and the water diversion pump (1);
a first water flowing hole (6) is formed in the upper end of the side wall of the water barrel (4), a second water flowing hole (7) is formed in the upper end of the side wall of the end opposite to the first water flowing hole (6), and a third water flowing hole (8) is formed in the middle of the side wall; a duck tongue switch (9) is installed in the second drain hole (7), and the duck tongue switch (9) and the gate valve (5) are externally connected with a PLC control cabinet (11).
2. The water pump vacuum degree detection device according to claim 1, wherein the first water flowing hole (6) is 10 cm away from the top of the water barrel (4), and the vertical distance between the first water flowing hole (6) and the second water flowing hole (7) is 50 cm; the vertical distance between the third water flow hole (8) and the connecting port of the circulating water pipe of the vacuum pump is 30 cm.
3. The water pump vacuum degree detection device according to claim 1, wherein the diameter of the first flow hole (6) is 25mm, and the diameter of the third flow hole (8) is 200mm-300 mm.
4. The water pump vacuum degree detection device according to claim 1, wherein a water pipe is externally connected to the first flow hole (6), and a water pipe is externally connected to the third flow hole (8).
5. The water pump vacuum degree detection device according to claim 1, characterized in that the priming pump (1) is a water circulation type vacuum pump.
6. The water pump vacuum degree detection device according to claim 1, characterized in that the gate valve (5) is an electromagnetic valve.
7. The water pump vacuum degree detection device according to claim 1, wherein the water inlet pipe (2), the water outlet pipe (3), the water bucket (4) and the circulating water inlet pipe (10) are all made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021450549.8U CN213205946U (en) | 2020-07-21 | 2020-07-21 | Water pump vacuum degree detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021450549.8U CN213205946U (en) | 2020-07-21 | 2020-07-21 | Water pump vacuum degree detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213205946U true CN213205946U (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021450549.8U Active CN213205946U (en) | 2020-07-21 | 2020-07-21 | Water pump vacuum degree detection device |
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| Country | Link |
|---|---|
| CN (1) | CN213205946U (en) |
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2020
- 2020-07-21 CN CN202021450549.8U patent/CN213205946U/en active Active
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