CN214833140U - Frequency conversion PID water supply control system - Google Patents
Frequency conversion PID water supply control system Download PDFInfo
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- CN214833140U CN214833140U CN202021913455.XU CN202021913455U CN214833140U CN 214833140 U CN214833140 U CN 214833140U CN 202021913455 U CN202021913455 U CN 202021913455U CN 214833140 U CN214833140 U CN 214833140U
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Abstract
The utility model belongs to the field of water supply equipment, especially, frequency conversion PID water supply control system, the following scheme is proposed at present, it includes the immersible pump that draws water in the cistern and supply water to the water supply network, still include the converter that has the PID regulator that is connected with the immersible pump, the controller that is connected with the converter, pressure sensor and electric contact pressure gauge installed on the water supply network, the floater of locating in the cistern, the water level controller who is connected with the floater, pressure sensor, electric contact pressure gauge and water level controller are connected to the converter, be connected with time controller on the converter, establish ties between controller and the power and have the circuit breaker, install the check valve between immersible pump and the water supply network; this technical scheme utilizes the flabellum can blow to the cabinet is internal through the hole of blowing to can accelerate the air flow rate of the internal of cabinet, and the hot-air that flows can discharge through the louvre, the effectual problem that high temperature appears in the operation in the automatically controlled cabinet that has reduced.
Description
Technical Field
The utility model relates to a water supply equipment technical field especially relates to a frequency conversion PID water supply control system.
Background
The water supply equipment is an automatic start-stop water supply device which outputs a certain flow and lift in a specified unit time. The method is roughly divided into four categories of fire fighting, life, production and sewage treatment according to the use.
The utility model discloses a Chinese patent with publication number CN205894175U, which relates to the field of water supply in mining area, in particular to a PID control device for intelligent variable frequency constant pressure water supply in mining area, comprising a submersible pump for pumping water from a reservoir to supply water to a water supply network, a frequency converter connected with the submersible pump and provided with a PID regulator, a controller connected with the frequency converter, a pressure sensor and an electric contact pressure gauge which are arranged on the water supply network, a floating ball arranged in the reservoir, and a water level controller connected with the floating ball; pressure sensor, electric contact manometer and water level controller are connected to the converter, be connected with time controller on the converter, it has the circuit breaker to establish ties between controller and the power, installs the check valve between immersible pump and the water supply network.
Above-mentioned technical scheme adopts variable frequency speed governing mode to realize the constant pressure water supply, and is energy-efficient, and the running cost is low: the water supply pressure of the municipal pipe network can be fully utilized, the difference and the supplement are small, the negative pressure is not generated, and the energy can be saved by 30 to 90 percent compared with the traditional water supply equipment. According to the technical scheme, the electric control cabinet is used as a control main body, the electric control cabinet is internally provided with a plurality of electric elements, the electric elements can generate higher temperature in the long-time working process, the electric elements can work at high temperature for a long time, and the service life of the electric elements can be directly influenced, so that the variable-frequency PID water supply control system is provided for solving the problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a variable frequency PID water supply control system.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a variable-frequency PID water supply control system comprises a submersible pump for pumping water in a water storage tank to supply water to a water supply network, a frequency converter connected with the submersible pump and provided with a PID regulator, a controller connected with the frequency converter, a pressure sensor and an electric contact pressure gauge which are installed on the water supply network, a floating ball arranged in the water storage tank, and a water level controller connected with the floating ball, wherein the pressure sensor, the electric contact pressure gauge and the water level controller are connected to the frequency converter;
the electric control cabinet comprises a cabinet body, one side of the cabinet body is rotatably hinged with a cabinet door, the cabinet door is provided with an exhaust hole, a separation net is fixedly embedded in the exhaust hole, a temperature controller is fixedly embedded on the cabinet door, a blowing box is fixedly installed at the bottom of the cabinet body, the top of the blowing box is provided with a plurality of communicated blowing holes, the bottom of the blowing box is fixedly provided with a fixed box, a driving motor is fixedly arranged in the fixed box, an output shaft of the driving motor extends into the blowing box and is fixedly provided with a driving wheel, the inner walls of the two sides of the air blowing box are fixedly provided with the same fixed plate, the fixed plate is rotatably connected with a plurality of rotating shafts which are longitudinally arranged, the top fixed mounting of rotation axis has the flabellum, the bottom fixed mounting of rotation axis has from the driving wheel, and a plurality of outside covers from driving wheel and action wheel are equipped with same belt.
Preferably, a door lock is arranged on the cabinet door, and the cabinet door can be fixed on the cabinet body through the door lock.
Preferably, a plurality of support bearings are fixedly embedded in the fixing plate, the support bearings correspond to the plurality of rotating shafts one to one, the rotating shafts penetrate through inner rings of the corresponding support bearings and are fixedly connected with the inner rings of the support bearings, and the support bearings can be used for providing rotating support for the rotating shafts.
Preferably, the number of blow holes is six to ten, and the six to ten blow holes are arranged equidistantly on the blow box.
Preferably, a plurality of heat dissipation holes which are longitudinally distributed are formed in the two sides of the cabinet body, and the heat dissipation holes are used for facilitating heat dissipation of the electric control cabinet.
In the prior art, the variable-frequency PID water supply control technology adopts a variable-frequency speed regulation mode to realize constant-pressure water supply and adopts pressure-superposed water supply, so that the initial investment of equipment is reduced. High efficiency, energy saving and low operation cost: the intelligent variable-frequency constant-pressure water supply can fully utilize the water supply pressure of a municipal pipe network, and can save energy by 30% -90% compared with the traditional water supply equipment, and the difference is large, the supplement is small, no negative pressure is generated. The power failure can also maintain the hydraulic water supply of the pipe network. The intelligent degree is high, easy operation uses manpower sparingly, and full-intelligent frequency conversion constant voltage supplies water and is adjusted according to user's water consumption and the running water pressure of pipe network by full-automatic intelligent control ware control by oneself, carries out unmanned on duty. The device is suitable for domestic water in high-rise communities, urban and rural residential communities, enterprises and public institutions and the like; various industries need constant pressure control of water use, cooling water circulation, thermal water network circulation, boiler water supplement and the like; and various fluid constant-pressure water supply systems.
The utility model discloses an automatically controlled cabinet is at the in-process that uses, can try out the control to the internal temperature of cabinet through utilizing temperature controller, and in case during the internal temperature height of cabinet, start driving motor this moment, driving motor is at the action wheel, can drive a plurality of rotation axes simultaneously under the transmission of follow driving wheel and hold-in range and rotate, and can drive the flabellum during rotation axis rotates, so utilize the flabellum can blow to the internal blowing of cabinet through blowing the hole, thereby can accelerate the air flow rate of the internal interior of cabinet, and the hot-air that flows can pass through the louvre and discharge, the effectual problem that high temperature appears in the interior operation of automatically controlled cabinet that has reduced.
Drawings
Fig. 1 is a schematic view of a main view structure of an electric control cabinet of a variable frequency PID water supply control system provided by the present invention;
fig. 2 is a schematic view of a front view cross-sectional structure of a blowing box of the variable frequency PID water supply control system provided by the present invention;
fig. 3 is a schematic view of a front view cross-sectional structure of a cabinet body of the variable frequency PID water supply control system provided by the present invention;
fig. 4 is a circuit control schematic diagram of the prior art of the variable frequency PID water supply control system provided by the present invention.
In the figure: 1 reservoir, 2 immersible pumps, 3 water supply network, 4 converters, 5 controllers, 6 pressure sensors, 7 electric contact pressure gauges, 8 floating balls, 9 water level controllers, 10 time controllers, 11 circuit breakers, 12 check valves, 13 electric control cabinets, 1301 cabinets, 1302 cabinets doors, 1303 exhaust holes, 1304 partition nets, 1305 temperature controllers, 1306 blowing boxes, 1307 fixed boxes, 1308 blowing holes, 1309 fixed plates, 1310 support bearings, 1311 rotating shafts, 1312 blades, 1313 driven wheels, 1314 driving motors, 1315 driving wheels, 1316 heat dissipation holes and 1317 belts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-4, a variable frequency PID water supply control system comprises a submersible pump 2 which pumps water in a reservoir 1 and supplies water to a water supply network 3, a frequency converter 4 which is connected with the submersible pump 2 and is provided with a PID regulator, a controller 5 which is connected with the frequency converter 4, a pressure sensor 6 and an electric contact pressure gauge 7 which are arranged on the water supply network 3, a floating ball 8 which is arranged in the reservoir 1, a water level controller 9 which is connected with the floating ball 8, the pressure sensor 6, the electric contact pressure gauge 7 and the water level controller 9 which are connected with the frequency converter 4, a time controller 10 which is connected with the frequency converter 4, a circuit breaker 11 which is connected in series between the controller 5 and a power supply, a check valve 12 which is arranged between the submersible pump 2 and the water supply network 3, and the circuit breaker 11, the controller 5, the frequency converter 4 and the time controller 10 which are arranged in an electric control cabinet 13;
the electric control cabinet 13 comprises a cabinet body 1301, a cabinet door 1302 is hinged to one side of the cabinet body 1301 in a rotating mode, an exhaust hole 1303 is formed in the cabinet door 1302, a separation net 1304 is fixedly embedded in the exhaust hole 1303, a temperature controller 1305 is fixedly embedded in the cabinet door 1302, a blowing box 1306 is fixedly installed at the bottom of the cabinet body 1301, a plurality of communicated blowing holes 1308 are formed in the top of the blowing box 1306, a fixing box 1307 is fixedly installed at the bottom of the blowing box 1306, a driving motor 1314 is fixedly installed in the fixing box 1307, an output shaft of the driving motor 1314 extends into the blowing box 1306, a driving wheel 1315 is fixedly installed at the bottom of the blowing box 1306, the same fixing plate 1309 is fixedly installed on the inner walls of two sides of the blowing box 1306, a plurality of rotating shafts 1311 which are longitudinally arranged are rotatably connected on the fixing plate 1309, fan blades 1312 are fixedly installed at the top end of the rotating shaft 1311, and a driven wheel 1313 is fixedly installed at the bottom end of the rotating shaft 1311, and the same belt 1317 is sleeved outside a plurality of driven wheels 1313 and driving wheels 1315.
Example two
The embodiment is improved on the basis of the first embodiment: a door lock is arranged on the cabinet door 1302, and the cabinet door 1302 can be fixed on the cabinet body 1301 through the door lock; a plurality of support bearings 1310 are fixedly embedded on the fixing plate 1309, the support bearings 1310 are respectively in one-to-one correspondence with the plurality of rotating shafts 1311, the rotating shafts 1311 penetrate through the inner rings of the corresponding support bearings 1310 and are fixedly connected with the inner rings of the support bearings 1310, and the support bearings 1310 can be used for providing rotating support for the rotating shafts 1311; the number of the blow holes 1308 is six to ten, and the six to ten blow holes 1308 are arranged on the blow box 1306 at equal intervals; a plurality of heat dissipation holes 1316 longitudinally arranged are formed in the two sides of the cabinet body 1301, and the heat dissipation holes 1316 are used for facilitating heat dissipation of the electric control cabinet 13.
In the prior art, the variable-frequency PID water supply control technology adopts a variable-frequency speed regulation mode to realize constant-pressure water supply, the investment of intelligent variable-frequency constant-pressure water supply is saved by about 50%, and the initial investment of equipment is reduced by adopting pressure-superposed water supply. High efficiency, energy saving and low operation cost: the intelligent variable-frequency constant-pressure water supply can fully utilize the water supply pressure of a municipal pipe network, and can save energy by 30% -90% compared with the traditional water supply equipment, and the difference is large, the supplement is small, no negative pressure is generated. The power failure can also maintain the hydraulic water supply of the pipe network. The intelligent degree is high, easy operation uses manpower sparingly, and full-intelligent frequency conversion constant voltage supplies water and is adjusted according to user's water consumption and the running water pressure of pipe network by full-automatic intelligent control ware control by oneself, carries out unmanned on duty. The device is suitable for domestic water in high-rise communities, urban and rural residential communities, enterprises and public institutions and the like; various industries need constant pressure control of water use, cooling water circulation, thermal water network circulation, boiler water supplement and the like; and various fluid constant-pressure water supply systems.
The utility model discloses an automatically controlled cabinet 13 is at the in-process that uses, can try trial control to the temperature in the cabinet body 1301 through utilizing temperature controller 1305, and in case when the temperature height of the internal of cabinet 1301, start driving motor 1314 this moment, driving motor 1314 is at action wheel 1315, can drive a plurality of rotation axes 1311 simultaneously under the transmission of follow driving wheel 1313 and hold-in range 1317 and rotate, and rotation axis 1311 can drive flabellum 1312 and rotate when rotating, so utilize flabellum 1312 to blow to the internal 1302 of cabinet through blowing hole 1308, thereby can accelerate the air flow rate in the cabinet body 1301, and the hot-air that flows can discharge through louvre 1316, the effectual high temperature problem appears in the automatically controlled cabinet 13 interior operation that has reduced.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A variable-frequency PID water supply control system comprises a submersible pump (2) which pumps water in a reservoir (1) and supplies water to a water supply network (3), a frequency converter (4) which is connected with the submersible pump (2) and is provided with a PID regulator, a controller (5) which is connected with the frequency converter (4), a pressure sensor (6) and an electric contact pressure gauge (7) which are arranged on the water supply network (3), a floating ball (8) which is arranged in the reservoir (1), a water level controller (9) which is connected with the floating ball (8), wherein the pressure sensor (6), the electric contact pressure gauge (7) and the water level controller (9) are connected to the frequency converter (4), the frequency converter (4) is connected with a time controller (10), a circuit breaker (11) is connected in series between the controller (5) and a power supply, and a check valve (12) is arranged between the submersible pump (2) and the water supply network (3), the circuit breaker (11), the controller (5), the frequency converter (4) and the time controller (10) are arranged in the electric control cabinet (13);
the electric control cabinet (13) is characterized by comprising a cabinet body (1301), one side of the cabinet body (1301) is rotatably hinged with a cabinet door (1302), an exhaust hole (1303) is formed in the cabinet door (1302), a separation net (1304) is fixedly embedded in the exhaust hole (1303), a temperature controller (1305) is fixedly embedded in the cabinet door (1302), a blowing box (1306) is fixedly installed at the bottom of the cabinet body (1301), a plurality of communicated blowing holes (1308) are formed in the top of the blowing box (1306), a fixed box (1307) is fixedly installed at the bottom of the blowing box (1306), a driving motor (1314) is fixedly installed in the fixed box (1307), an output shaft of the driving motor (1314) extends into the blowing box (1306) and is fixedly installed with a driving wheel (1315), the same fixed plate (1309) is fixedly installed on the inner walls of two sides of the blowing box (1306), the fixed plate (1309) is rotatably connected with a plurality of rotating shafts (1311) which are longitudinally arranged, the top end of each rotating shaft (1311) is fixedly provided with a fan blade (1312), the bottom end of each rotating shaft (1311) is fixedly provided with a driven wheel (1313), and the outer sides of the driven wheels (1313) and the driving wheels (1315) are sleeved with the same belt (1317).
2. The variable-frequency PID water supply control system according to claim 1, wherein a door lock is provided on the cabinet door (1302).
3. The variable-frequency PID water supply control system according to claim 1, wherein a plurality of support bearings (1310) are fixedly embedded on the fixing plate (1309), the support bearings (1310) are respectively corresponding to a plurality of rotating shafts (1311) one by one, and the rotating shafts (1311) penetrate through inner rings of the corresponding support bearings (1310) and are fixedly connected with the inner rings of the support bearings (1310).
4. The variable frequency PID water supply control system as claimed in claim 1, wherein the number of the blowing holes (1308) is six to ten, and six to ten blowing holes (1308) are equidistantly arranged on the blowing box (1306).
5. The variable-frequency PID water supply control system according to claim 1, wherein a plurality of heat dissipation holes (1316) are formed in two sides of the cabinet body (1301) in longitudinal arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021913455.XU CN214833140U (en) | 2020-09-04 | 2020-09-04 | Frequency conversion PID water supply control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021913455.XU CN214833140U (en) | 2020-09-04 | 2020-09-04 | Frequency conversion PID water supply control system |
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| CN214833140U true CN214833140U (en) | 2021-11-23 |
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| CN202021913455.XU Active CN214833140U (en) | 2020-09-04 | 2020-09-04 | Frequency conversion PID water supply control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116428150A (en) * | 2023-03-18 | 2023-07-14 | 锦州重型水泵有限公司 | Cavitation-free constant-flow water feeding pump set and operation method |
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2020
- 2020-09-04 CN CN202021913455.XU patent/CN214833140U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116428150A (en) * | 2023-03-18 | 2023-07-14 | 锦州重型水泵有限公司 | Cavitation-free constant-flow water feeding pump set and operation method |
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