CN205012410U - Constant voltage energy -saving water supply device - Google Patents
Constant voltage energy -saving water supply device Download PDFInfo
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- CN205012410U CN205012410U CN201520628543.8U CN201520628543U CN205012410U CN 205012410 U CN205012410 U CN 205012410U CN 201520628543 U CN201520628543 U CN 201520628543U CN 205012410 U CN205012410 U CN 205012410U
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- water supply
- saving
- constant
- water pump
- water
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Abstract
The utility model discloses a constant voltage energy -saving water supply device belongs to the water supply technology field. The utility model discloses a water pump, frequency -variable controller, soft starter, PID controller, power -saving control system and pressure transmitter draw forth the export and link up with the water pump chamber on the water pump, should the export be connected with pressure transmitter, pressure transmitter is connected with the PID controller, and the PID controller is connected with frequency -variable controller, the rotational speed of frequency -variable controller control pump, and the water pump opens and cuts out through soft starter, and soft starter, PID controller, pressure transmitter and frequency -variable controller pass through power -saving control system control work. The utility model discloses a water pump motor's soft start to do not had traditional impact of starting 6 times, prolonged the life of equipment, reduced the fault rate of equipment. And avoided the impact to the electric wire netting, reduce the pick -up current. The utility model discloses the economize on electricity effect is showing, can save power consumption 20% -60% after traditional flow control methods such as substituted traditional bezel and valve.
Description
Technical field
The utility model belongs to hydrotechny field, especially relevant with a kind of constant-pressure energy-saving water supply installation.
Background technology
Existing many enterprises, particularly the traditional forms of enterprises such as papermaking supplies water most important, some large enterprises and Large-Scale Equipment get more and more, water system uses large pump in a large number, annual power consumption is very large, water supply consumption accounting in cost of production is very high, how to carry out cost control and improve the performance of enterprises, carrying out energy-saving and cost-reducing work plays vital effect by every possible means, patent publication No. is that CN202706117U discloses a kind of energy-saving water supply system, comprise reservoir, water pump, connecting water pipe and pressure control device, described water pump one end is connected with reservoir, the other end supplies each water end (W.E.) by connecting water pipe, described pressure control device comprises pressure sensor, frequency-variable controller and constant-voltage controller, described pressure sensor is arranged on the connecting water pipe of pump outlet, described frequency-variable controller one end is connected with described water pump, one end is electrically connected with described constant-voltage controller, although this water system provides a kind of water supply conditions of constant voltage, if but power of motor is larger, the starting current of motor will be very high, likely cause tripping operation, thus cause pressure of supply water unstable, for this defect, applicant has researched and developed a kind of constant-pressure energy-saving water supply installation with defencive function.
Utility model content
The purpose of this utility model is intended to overcome the defects such as the starting mode of pump electric current that existing water supply installation exists is higher, water supply constant-pressure conditions is unstable, provides a kind of constant-pressure energy-saving water supply installation with defencive function.
For this reason, the utility model is by the following technical solutions: constant-pressure energy-saving water supply installation, comprise water pump and frequency-variable controller, it is characterized in that, described constant-pressure energy-saving water supply installation also comprises soft initiator, PID controller, electricity-saving control system and pressure transmitter, described water pump is drawn outlet through with water pump chamber, this outlet is connected with described pressure transmitter, described pressure transmitter is connected with described PID controller, PID controller is connected with described frequency-variable controller, frequency-variable controller controls the rotating speed of water pump, described water pump is opened and closed by soft initiator, described soft initiator, PID controller, pressure transmitter and frequency-variable controller are by described electricity-saving control system control work.
As to technique scheme supplement and perfect, the utility model also comprises following technical characteristic.
Described constant-pressure energy-saving water supply installation also comprises warning device, and warning device is connected with described PID controller.
Described pump outlet place is provided with filter.
Filter core in described filter is inclined in outlet pipe, and the front side of described filter core is provided with the sewage draining exit be fixed on bottom outlet pipe, thus the impurity in water supply can be discharged from sewage draining exit.
Described sewage draining exit is by valve opening or closedown.
Described filter is active carbon filtering device.
Described water pump is connected to water tower by water inlet pipe, level probe and liquid level relay is provided with in water tower, described level probe sends the water level of the described water tower collected to described liquid level relay, liquid level relay feeds back to electricity-saving control system according to water level, electricity-saving control system controls described frequency-variable controller, thus is embodied as described water tower retaining or stops as described water tower retaining.
Described soft initiator is slope constant current mode soft initiator, thus can Limited Current water pump is opened into rated power.
Use the utility model can reach following beneficial effect: the utility model achieves the soft start of pump motor, thus without the impact of traditional starting 6 times, extend the application life of equipment, reduce the fault rate of equipment.And the impact avoided electrical network, reduction starting current, net capacity are expanded.The utility model detects input PID mouth by pressure inverting tolerance, forms closed loop automatic control system, realizes electrodeless adjustment rotating speed, avoid mechanical resonance point and running noise by frequency-variable controller.The utility model power savings is remarkable, can save electricity consumption 20%-60% after replacing the conventional flow amount control methods such as traditional baffle plate and valve.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.
Embodiment: as shown in Figure 1, the utility model comprises water pump 1, frequency-variable controller 3, soft initiator 2, PID controller 5, electricity-saving control system 4 and pressure transmitter 7, extraction outlet on water pump 1 is also through with water pump chamber, this outlet is connected with pressure transmitter 7, pressure transmitter 7 is connected with PID controller 5, PID controller 5 is connected with frequency-variable controller 3, frequency-variable controller 3 controls the rotating speed of water pump 1, water pump 1 is opened and closed by soft initiator 2, soft initiator 2, PID controller 5, pressure transmitter 7 and frequency-variable controller 3 control work by electricity-saving control system 4.
Further, constant-pressure energy-saving water supply installation also comprises warning device 6, and warning device 6 is connected with PID controller 5, and water pump 1 water outlet is provided with filter 9.
As preferably, the filter core in filter 9 is inclined in outlet pipe, and the front side of filter core is provided with the sewage draining exit 10 be fixed on bottom outlet pipe, thus the impurity in supplying water can be discharged from sewage draining exit 10, and sewage draining exit 10 passes through valve opening or closedown.
Further, filter 9 is active carbon filtering device.
Further, water pump 1 is connected to water tower 8 by water inlet pipe, level probe and liquid level relay is provided with in water tower 8, level probe sends the water level of the water tower 8 collected to liquid level relay, liquid level relay feeds back to electricity-saving control system 4 according to water level, electricity-saving control system 4 controls frequency-variable controller, thus is embodied as water tower 8 retaining or stops as water tower 8 retaining.
Further, soft initiator 2 is slope constant current mode soft initiator, thus can Limited Current water pump is opened into rated power.Soft initiator adopts three-phase anti-parallel thyristor as pressure regulator, with this circuit as three-phase thyristor bridge rectification circuit, when using soft initiator 2 to start, the output voltage of IGCT increases gradually, and water pump accelerates gradually, until the full conducting of IGCT, pump working is in the mechanical property of rated voltage, realize level and smooth startup, reduce starting current, avoid starting overcurrent tripping.
The utility model adopts three-phase anti-parallel thyristor as pressure regulator by soft initiator, with this circuit as three-phase thyristor bridge rectification circuit, when using soft initiator to start, the output voltage of IGCT increases gradually, and water pump accelerates gradually, until the full conducting of IGCT, pump working is in the mechanical property of rated voltage, realize level and smooth startup, reduce starting current, avoid starting overcurrent tripping.When pump motor reaches rated speed, start-up course terminates, and energy-saving control system controls frequency converter and replaces soft initiator, to reduce the thermal losses of IGCT, extends the application life of soft initiator.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. constant-pressure energy-saving water supply installation, comprise water pump (1) and frequency-variable controller (3), it is characterized in that: described constant-pressure energy-saving water supply installation also comprises soft initiator (2), PID controller (5), electricity-saving control system (4) and pressure transmitter (7), the upper extraction outlet of described water pump (1) is also through with water pump chamber, this outlet is connected with described pressure transmitter (7), described pressure transmitter (7) is connected with described PID controller (5), PID controller (5) is connected with described frequency-variable controller (3), frequency-variable controller (3) controls the rotating speed of water pump (1), described water pump (1) is opened and closed by soft initiator (2), described soft initiator (2), PID controller (5), pressure transmitter (7) and frequency-variable controller (3) control work by described electricity-saving control system (4).
2. constant-pressure energy-saving water supply installation according to claim 1, is characterized in that: described constant-pressure energy-saving water supply installation also comprises warning device (6), and warning device (6) is connected with described PID controller (5).
3. constant-pressure energy-saving water supply installation according to claim 2, is characterized in that: described water pump (1) water outlet is provided with filter (9).
4. constant-pressure energy-saving water supply installation according to claim 3, it is characterized in that: the filter core in described filter (9) is inclined in outlet pipe, the front side of described filter core is provided with the sewage draining exit (10) be fixed on bottom outlet pipe.
5. constant-pressure energy-saving water supply installation according to claim 4, is characterized in that: described sewage draining exit (10) is by valve opening or closedown.
6. constant-pressure energy-saving water supply installation according to claim 3, is characterized in that: described filter (9) is active carbon filtering device.
7. constant-pressure energy-saving water supply installation according to claim 1, it is characterized in that: described water pump (1) is connected to water tower (8) by water inlet pipe, water tower is provided with level probe and liquid level relay in (8), described level probe sends the water level of the described water tower (8) collected to described liquid level relay, liquid level relay feeds back to electricity-saving control system (4) according to water level, and electricity-saving control system (4) controls described frequency-variable controller.
8. constant-pressure energy-saving water supply installation according to claim 1, is characterized in that: described soft initiator (2) is slope constant current mode soft initiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628543.8U CN205012410U (en) | 2015-08-19 | 2015-08-19 | Constant voltage energy -saving water supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520628543.8U CN205012410U (en) | 2015-08-19 | 2015-08-19 | Constant voltage energy -saving water supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205012410U true CN205012410U (en) | 2016-02-03 |
Family
ID=55211022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520628543.8U Expired - Fee Related CN205012410U (en) | 2015-08-19 | 2015-08-19 | Constant voltage energy -saving water supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205012410U (en) |
-
2015
- 2015-08-19 CN CN201520628543.8U patent/CN205012410U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20170819 |