CN220450761U - Water-free protection device of pure electric sprinkler - Google Patents
Water-free protection device of pure electric sprinkler Download PDFInfo
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- CN220450761U CN220450761U CN202320931362.7U CN202320931362U CN220450761U CN 220450761 U CN220450761 U CN 220450761U CN 202320931362 U CN202320931362 U CN 202320931362U CN 220450761 U CN220450761 U CN 220450761U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 200
- 239000007788 liquid Substances 0.000 claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000001174 ascending effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 235000014676 Phragmites communis Nutrition 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model relates to a water-free protection device of a pure electric sprinkler, which comprises a water tank and a water outlet liquid level switch, wherein the water tank is integrally formed by a front sealing head, a tank body, a wave-proof plate, a manhole cover, a rear sealing head, an auxiliary beam transverse strut, an edge support and an auxiliary beam, a water outlet of the water tank is arranged at the lowest position of the middle position of the tank body, and a water outlet pipe with proper pipe diameter is arranged at the lowest position of the bottom of the water outlet. Even if the sprinkler runs on an ascending slope or a descending slope, the monitoring of water quantity is not affected, the whole anhydrous protection device does not need manual operation, and the full-automatic monitoring and running are realized, so that the water supply and sprinkling system is ensured not to damage a water pump due to no water in the tank body, and the pure electric sprinkler can work safely and normally.
Description
Technical Field
The utility model belongs to the technical field of special vehicles, and particularly relates to an anhydrous protection device for protecting a water supply system of a pure electric sprinkler.
Background
With the development of urban construction, construction sites are increased, and a large amount of dust emission becomes one of pollution sources affecting environmental quality. The watering lorry in the market at present adopts the low water level liquid level sensor alarm form of watering lorry water pitcher more, replaces the manual work and judges whether the surplus water in the new watering lorry water pitcher can continue the operation. And a liquid level sensor is arranged at the front end or the rear end of the sprinkler water tank, when the water level in the sprinkler water tank is high, the liquid level sensor is closed under the action of buoyancy of water, an electric signal is transmitted to a processor of the sprinkler, a sprinkler working switch is started, the processor outputs a signal to a sprinkler pump transmission device and enables the sprinkler pump transmission device to rotate, so that a sprinkler pump is driven to work, otherwise, when the water level in the sprinkler water tank is lower than the liquid level sensor, the liquid level sensor is disconnected, no signal is output, the sprinkler pump cannot be started, and the sprinkler is stopped. When the water allowance in the water tank of the sprinkler is not large, and the liquid level sensor is arranged at the front end of the water tank of the sprinkler, if the sprinkler is dry and upslope in the operation process, the water in the water tank is not completely sprinkled, and the residual water amount cannot be accurately measured by the liquid level sensor; if the sprinkler is in a downhill slope in the operation process of the sprinkler, the sprinkler pump can continue to operate, but the position of the sprinkler pump is generally in the water tank, the water outlet of the water tank is also arranged in the middle, no water enters, and the sprinkler pump can be damaged due to long-time idle rotation. And when the liquid level sensor is arranged at the rear end of the water tank of the sprinkler, and the sprinkler runs on a dry slope and descends in the operation process, the situation is opposite to the situation before. Similarly, if liquid level sensors are arranged at two ends of the sprinkler at the same time, the phenomenon of idling of the sprinkler pump can also occur. Cannot be accurately made the remaining water amount was measured. Because the water pump runs under the anhydrous condition, a large amount of heat can be generated between the friction pairs when the mechanical seal is lubricated without water, so that the sealing friction pairs are damaged, the water pump leaks water, the impeller is seriously damaged at high temperature, and the water pump is damaged.
Disclosure of Invention
The novel purpose of use is to the not enough of current water level alarm device, has designed a simple structure not only, and the water allowance judges accurately, avoids pure electric watering lorry water pump idle running, and can be complete the water in the water pitcher of using up, and the watering lorry water pitcher anhydrous protection device that operating efficiency is high.
In order to achieve the aim, the water-free protection device of the pure electric sprinkler comprises a water tank, a water outlet liquid level switch and an alarm device, wherein the water tank is integrally formed by a front sealing head, a tank body, a wave-proof plate, a manhole cover, a rear sealing head, an auxiliary beam cross brace, a side support and a side support backing plate, a water outlet of the water tank is arranged at the lowest position of the middle position of the tank body, a water outlet pipe with a proper pipe diameter is arranged at the lowest position of the bottom of the water outlet of the water tank, and the liquid level switch is arranged on the water outlet pipe. The water in the water tank is drained to the water outlet of the water tank at the lowest position to the greatest extent. Therefore, a liquid level switch in a water outlet pipe connected with a water outlet of the water tank can accurately measure the residual quantity of water in the water tank in real time, and the monitoring of water quantity is not affected even if the sprinkler runs on an ascending slope or a descending slope.
Furthermore, the cross section of the water tank of the pure electric sprinkler is elliptic, a wave-proof plate is arranged in the water tank, and the lowest part of the middle position of the water tank body is provided with a water tank water outlet. A water outlet pipe with proper pipe diameter is arranged at the lowest position of the bottom of the water outlet of the water tank, the height of the water outlet of the water tank and the water outlet pipe is lower than the bottom of the water tank. The water is flowed to the water outlet of the water tank to the greatest extent, the water outlet pipe is arranged at the lowest position of the water outlet of the water tank, the water in the water tank can be completely discharged, and the liquid level switch is arranged in the water outlet pipe, so that the judgment of the liquid level switch is more accurate.
Further, the method comprises the steps of, the liquid level switch is a floating ball liquid level switch. The float liquid level switch mainly comprises a measuring conduit, a float, a mounting flange, a lower limit ring, an upper limit ring, a junction box and the like. A string of very dense reed switch-resistors is arranged in the measuring conduit, when the liquid level rises or falls, the floating ball is driven to float up and down, the magnet in the floating ball can cause the change of the reed switch-resistors, and the reed switch-resistors are converted into standard analog signals to be output through the conversion of the transmitter.
Further, the liquid level switch is electrically connected with a PLC control system, preferably a contactor, and the contactor is electrically connected with the PLC control system and the three-phase motor of the water pump of the pure electric sprinkler respectively. The system also comprises an alarm device, and the alarm device is electrically connected with the PLC control system.
The utility model has the beneficial effects that the lowest part of the middle position of the water tank body is provided with the water outlet of the water tank. The lowest position of the bottom of the water outlet of the water tank is provided with a water outlet pipe with proper pipe diameter, and the heights of the water outlet of the water tank and the water outlet pipe are lower than the bottom of the water tank. The water outlet pipe is arranged at the lowest position of the water outlet of the water tank, so that the water in the water tank can be completely discharged, the liquid level switch is arranged in the water outlet pipe, the judgment of the liquid level switch is more accurate, an electric signal is transmitted to the PLC control system through the closing of the liquid level switch, the PLC control system processes data, and the alarm device is started while the operation of the water pump is controlled, so that the safety of the water pump is ensured. The whole anhydrous protection device does not need manual operation, is fully-automatic to monitor and operate, and can avoid the phenomenon that no water flows into the water outlet of the water tank and the water sprinkling pump pumps out of the water tank to idle. The water supply system is guaranteed not to damage the water pump due to no water in the tank body, so that the pure electric sprinkler can work safely and normally.
Drawings
FIG. 1 is a front view of a schematic diagram of the structure of the present utility model;
FIG. 2 is a right side view of a schematic diagram of the specific structure of the present utility model;
FIG. 3 is a schematic view of a water outlet pipe and a liquid level switch according to the present utility model;
FIG. 4 is a schematic block diagram of the circuit of the present utility model;
FIG. 5 is a schematic block diagram of a control process of the present utility model;
as shown in the figure: 1. a front end enclosure; 2. a tank body; 3. a wave shield; 4. a manhole cover; 5. a rear end enclosure; 6. a secondary beam cross brace; 7. edge support; 8. an edge support pad; 9. pipeline opening; 10. a water outlet pipe; 11. a liquid level switch; 11-1, a tube body; 11-2, a lower limit ring; 11-3, measuring the catheter; 11-4, a suspending ball; 11-5, upper limit rings; 11-6, mounting a cover; 11-7, a junction box; 12. a water outlet of the water tank; 13. and a secondary beam.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in figures 1 to 3, the utility model provides a technical scheme basic structure of a water-free protection device of a pure electric sprinkler. The water tank comprises a water tank body and a water outlet liquid level switch 11, wherein the water tank body is composed of a front sealing head 1, a tank body 2, a wave-proof plate 3, a manhole cover 4, a rear sealing head 5, an auxiliary beam 13, an auxiliary beam cross brace 6, an edge support 7 and an edge support base plate 8, a water tank water outlet 12 is arranged at the lowest position of the middle position of the tank body, a water outlet pipe 10 with a proper pipe diameter is arranged at the lowest position of the bottom of the water tank water outlet, and the liquid level switch 11 is arranged on the water outlet pipe 10. The water in the water tank is drained to the lowest water tank water outlet 12 to the greatest extent. Therefore, the liquid level switch in the water outlet pipe 10 connected with the water outlet 12 of the water tank can accurately measure the water residual quantity in the water tank in real time, and the monitoring of the water quantity is not affected even if the sprinkler runs on an ascending slope or a descending slope.
The cross section of the water tank of the pure electric sprinkler is elliptic, a wave-proof plate 3 is arranged in the water tank, and a water tank water outlet 12 is arranged at the lowest position of the middle position of the water tank body. The lowest position of the bottom of the water tank water outlet 12 is provided with a water outlet pipe 10 with a proper pipe diameter, and the heights of the water tank water outlet 12 and the water outlet pipe 10 are lower than the bottom of the water tank. The water flows to the water outlet 12 of the water tank to the greatest extent, the water outlet 10 is arranged at the lowest position of the water outlet 12 of the water tank, the water in the water tank can be completely discharged, the liquid level switch 11 is arranged in the water outlet, and the judgment of the liquid level switch 11 is more accurate.
The liquid level switch 11 is a floating ball liquid level switch. The float liquid level switch mainly comprises a measuring conduit, a float, a mounting flange, a lower limit ring, an upper limit ring, a junction box and the like. A string of very dense reed switch-resistors is arranged in the measuring conduit, when the liquid level rises or falls, the floating ball is driven to float up and down, the magnet in the floating ball can cause the change of the reed switch-resistors, and the reed switch-resistors are converted into standard analog signals to be output through the conversion of the transmitter.
The liquid level switch 11 is electrically connected with a PLC control system, preferably a contactor, and the contactor is electrically connected with the PLC control system and the three-phase motor of the water pump of the pure electric sprinkler respectively. The system also comprises an alarm device, and the alarm device is electrically connected with the PLC control system.
As shown in connection with fig. 1-5: the working principle and working process of the utility model are as follows: when the water tank of the pure electric sprinkler is filled with water, the liquid level switch suspending ball 11-4 in the water outlet pipe is positioned at the upper limit ring 11-5 under the buoyancy of the water. At this time, after the sprinkler work button is opened, the liquid level switch can give the PLC control system on the sprinkler with this signal transmission to control the sprinkler work, begin the watering operation. When the sprinkler works on an uphill slope or a downhill slope and the water allowance in the water tank is insufficient, a liquid level switch suspending ball 11-4 in a water outlet pipe is positioned at a lower limit ring 11-2 under the action of the buoyancy of water, an electric signal is transmitted to a PLC control system through the closing of the liquid level switch 11, the liquid level switch transmits the signal to the PLC control system on the sprinkler, and after the PLC control system performs data processing, two signals are sent to different terminals, one of the signals is used for reminding a driver of water injection for the tank body by starting an alarm device through output control; the other is that the water pump is stopped by switching off the output control contactor so as to stop the work of the three-phase motor of the water pump, and the water pump stops running to play a role in protecting the water pump; the safety of the water pump is ensured.
The basic principle of the operation is that when the interior of the water tank of the sprinkler is filled with water, the liquid level switch suspending ball in the water outlet pipe is positioned on the upper limit ring under the buoyancy action of the water. At this time, after the sprinkler work button is opened, the liquid level switch can give the PLC control system on the sprinkler with this signal transmission to control the sprinkler work, begin the watering operation. When the sprinkler works on an uphill or downhill, and the water allowance in the water tank is insufficient, the liquid level switch suspending ball in the water outlet pipe is positioned at the lower limit ring under the buoyancy action of water, an electric signal is transmitted to the PLC control system through the closing of the liquid level switch, the liquid level switch can transmit the signal to the PLC control system on the sprinkler, the PLC control system externally processes data, an alarm device is started while the water pump is controlled to operate, and meanwhile, the sprinkler stops operating, so that the safety of the water pump is ensured. The problem of the water pump damage that causes because of the internal no water of water supply jar has been solved completely.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the utility model belongs to the prior art known to the person skilled in the art.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (4)
1. The utility model provides a pure electric sprinkler does not have water protection apparatus, includes water pitcher and delivery port liquid level switch (11) and alarm device, its characterized in that is done: the water tank is integrally formed by a front sealing head (1), a tank body (2), a wave-proof plate (3), a manhole cover (4), a rear sealing head (5), an auxiliary beam (13), an auxiliary beam cross brace (6), an edge support (7) and an edge support base plate (8), a water tank water outlet (12) is formed in the lowest position of the middle position of the tank body (2), a water outlet pipe (10) with a proper pipe diameter is arranged in the lowest position of the bottom of the water tank water outlet (12), and a liquid level switch (11) is arranged on the water outlet pipe (10).
2. The water-free protection device for a purely electric sprinkler according to claim 1, wherein: the cross section of the water tank is elliptical, a wave-proof plate (3) is arranged in the water tank, and the positions of the water outlet (12) and the water outlet pipe (10) of the water tank are lower than the bottom of the water tank.
3. The water-free protection device for a pure electric sprinkler according to claim 2, wherein: the liquid level switch (11) is electrically connected with a PLC control system, and the alarm device is electrically connected with the PLC control system.
4. The water-free protection device for the pure electric sprinkler according to claim 2, wherein the liquid level switch (11) is a floating ball liquid level switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320931362.7U CN220450761U (en) | 2023-04-23 | 2023-04-23 | Water-free protection device of pure electric sprinkler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320931362.7U CN220450761U (en) | 2023-04-23 | 2023-04-23 | Water-free protection device of pure electric sprinkler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220450761U true CN220450761U (en) | 2024-02-06 |
Family
ID=89735593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320931362.7U Active CN220450761U (en) | 2023-04-23 | 2023-04-23 | Water-free protection device of pure electric sprinkler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220450761U (en) |
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2023
- 2023-04-23 CN CN202320931362.7U patent/CN220450761U/en active Active
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