CN213043586U

CN213043586U - Multi-section timing control water pump frequency converter

Info

Publication number: CN213043586U
Application number: CN202021694442.8U
Authority: CN
Inventors: 黄少勇; 屈永江; 罗松平
Original assignee: Youzhong New Energy Shenzhen Co ltd
Current assignee: Youzhong New Energy Shenzhen Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-23
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a multistage timing control water pump converter relates to water pump converter field, needs the manual regulation to control for solving the current water pump converter among the prior art, uses inconveniently, and the humid air that produces at the outside work of water pump for a long time has the problem of certain influence to the inside electrical components of converter. The dehumidifier is all installed to the both sides of converter casing, just the internally mounted of converter casing has plc to time counter, the fastener is installed to plc time counter's lower extreme, the transformer is installed to the below of fastener, just the drive plate is installed to plc time counter's top, connecting wire is installed to the top of fixed plate, connecting wire's one end is installed the wiring contact, the connecting plate is installed to the lower extreme of converter casing, the lower terminal surface of connecting plate is provided with the electrical connection terminal, electrical connection terminal and connecting plate threaded connection, the internally mounted of transformer has hall element.

Description

Multi-section timing control water pump frequency converter

Technical Field

The utility model relates to a water pump frequency converter technical field specifically is multistage timing control water pump frequency converter.

Background

The water pump is generally considered according to the maximum working condition requirement when a water supply system is designed, the maximum water consumption can be reached within a long time when the water supply system is actually used, the water supply system is generally throttled by adjusting and increasing system resistance through a valve, the electric loss of a motor is caused, the working state of the system can be gentle and stable by adopting a frequency converter, the water supply is adjusted by changing the rotating speed, the rotating speed can be reduced, the energy is saved, and the investment is recovered.

The water pump motor is an output link, the rotating speed is controlled by a frequency converter, variable flow constant pressure control is realized, the frequency converter receives signals of a PID controller to control the speed of the water pump, a pressure sensor detects the water outlet pressure of a pipe network and transmits the signals to the PID controller, and the PID controller adjusts the frequency of the frequency converter to control the rotating speed of the water pump, so that a closed-loop control system is realized, but the existing water pump frequency converter needs manual adjustment to control, is inconvenient to use, and has certain influence on electrical elements in the frequency converter due to humid air generated by long-time work outside the water pump; therefore, the market urgently needs to develop a multi-section timing control water pump frequency converter to help people to solve the existing problems,

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistage timing control water pump converter to the current water pump converter who proposes in solving above-mentioned background art needs manual regulation to control, uses inconveniently, and the humid air that produces at the outside work of water pump for a long time has the problem of certain influence to the inside electrical components of converter.

In order to achieve the above object, the utility model provides a following technical scheme: multistage timing control water pump converter, including the converter casing, the dehumidifier is all installed to the both sides of converter casing, just the internally mounted of converter casing has plc to time the counter, the fastener is installed to plc time the lower extreme of counter, the transformer is installed to the below of fastener, just the drive plate is installed to plc time the counter's top, the fixed plate is installed to the upper end of drive plate, connecting wire is installed to the top of fixed plate, the wiring contact is installed to connecting wire's one end.

Preferably, the preceding terminal surface of converter casing is provided with the clear cover, the clear cover passes through hinge swing joint with the converter casing, just the lug is installed to the preceding terminal surface of clear cover, lug and clear cover set up structure as an organic whole, the inside of fixed plate is provided with the wire opening, connecting wire's the other end passes the wire opening and extends to converter casing inside and drive plate electric connection.

Preferably, the outside of dehumidifier is provided with the access panel, the preceding terminal surface of access panel is provided with the bleeder vent, just the internally mounted of dehumidifier has the heater, the preceding terminal surface of heater is provided with the electric heat circle, just the fan is all installed to the both sides of heater, the position of electric heat circle is corresponding with the position of fan.

Preferably, the connecting plate is installed to the lower extreme of converter casing, the lower terminal surface of connecting plate is provided with the electrical connection terminal, electrical connection terminal and connecting plate threaded connection, the internally mounted of transformer has hall element, hall element extends to the connecting plate inside and electrical connection terminal fixed connection, the inside of transformer is provided with epoxy, just epoxy's internally mounted has the coil, and the coil passes through wire and hall element electric connection.

Preferably, the bonding tool is installed to the lower extreme of fastener, just the internally mounted of fastener has the connection copper sheet, be provided with the wire between connection copper sheet and the transformer, and the wire pass through bonding tool electric connection with connection copper sheet and transformer respectively, just the up end of connecting the copper sheet is provided with the DBC welt, the base plate is installed to the up end of DBC welt, the up end of base plate is provided with heat conduction silica gel, heat conduction silica gel is connected with base plate and fastener bonding respectively.

Preferably, the plc timing counter is electrically connected with the connecting copper sheet through a wire, the plc timing counter is electrically connected with the driving board through a wire, and a switch button and a display screen are arranged on the front end face of the plc timing counter.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting through plc timer counter, before using the converter to adjust water pump power, the mains voltage adjustment of accessible transformer with the transmission, time through plc timer counter adjustment frequency conversion again, the power of drive plate is opened to accessible plc timer counter, thereby can make the power of water pump motor regulated and control by the converter influence, can open the converter at the time of regulation through plc timer counter, high durability and convenient use, do not need the manual work to regulate and control, the working pressure has been reduced, therefore, the clothes hanger is strong in practicability, and can reduce the heat that the wire produced in the work through the fastener, thereby plc timer counter's heat has been reduced, and the service life can be prolonged.

2. The utility model discloses a through the setting of dehumidifier, long-time work back, the humid air that converter casing inside produced, the inside temperature and humidity sensor of accessible dehumidifier detects, and when humidity was too big, the power of fan and heater was opened to the accessible, and the heat that makes the fan distribute out the ring heater is replaced through the bleeder vent to make the inside humid air of converter casing discharge, improved the inside drying of converter casing, make converter casing working life extension.

Drawings

FIG. 1 is an overall front view of the multi-stage timing control water pump frequency converter of the present invention;

FIG. 2 is an internal structure diagram of the frequency converter of the multi-stage timing control water pump of the present invention;

FIG. 3 is an internal structural view of the transformer and fastener of the present invention;

fig. 4 shows an internal structure of the dehumidifier of the present invention.

In the figure: 1. a frequency converter housing; 2. a dehumidifier; 3. an access panel; 4. air holes are formed; 5. a transparent cover plate; 6. a fixing plate; 7. a wire through hole; 8. a bump; 9. connecting a lead; 10. a wiring contact; 11. a connecting plate; 12. an electric terminal is connected; 13. a transformer; 14. a welding head; 15. a fastener; 16. plc timing counter; 17. switching a key; 18. a display screen; 19. a drive plate; 20. a Hall element; 21. an epoxy resin; 22. connecting the copper sheets; 23. a DBC liner plate; 24. a substrate; 25. heat conducting silica gel; 26. a fan; 27. a heater; 28. an electric heating coil.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a multi-section timing control water pump frequency converter comprises a frequency converter shell 1, wherein two sides of the frequency converter shell 1 are respectively provided with a dehumidifier 2, a plc timing counter 16 is arranged inside the frequency converter shell 1, a fastener 15 is arranged at the lower end of the plc timing counter 16, a transformer 13 is arranged below the fastener 15, a driving plate 19 is arranged above the plc timing counter 16, a fixing plate 6 is arranged at the upper end of the driving plate 19, a connecting lead 9 is arranged above the fixing plate 6, one end of the connecting lead 9 is provided with a wiring contact 10, the frequency conversion time is adjusted through the plc timing counter 16, a power supply of the driving plate 19 can be turned on through the plc timing counter 16, so that the power of a water pump motor can be adjusted and controlled by the frequency converter, the frequency converter can be turned on at a specified time through the plc timing counter 16, the use is convenient, manual adjustment and control are not needed, and the working pressure is reduced, the plc timer counter 16 employs a BRT-406 multi-segment timed cycle switch.

Further, the preceding terminal surface of converter casing 1 is provided with transparent cover plate 5, transparent cover plate 5 passes through hinge swing joint with converter casing 1, and the preceding terminal surface of transparent cover plate 5 installs lug 8, lug 8 sets up structure as an organic whole with transparent cover plate 5, the inside of fixed plate 6 is provided with wire opening 7, connecting wire 9's the other end passes wire opening 7 and extends to converter casing 1 inside and drive plate 19 electric connection, can dial transparent cover plate 5 through lug 8 and regulate and control plc timing counter 16.

Further, the outside of dehumidifier 2 is provided with access panel 3, the preceding terminal surface of access panel 3 is provided with bleeder vent 4, and the internally mounted of dehumidifier 2 has heater 27, the preceding terminal surface of heater 27 is provided with ring heater 28, and fan 26 is all installed to heater 27's both sides, ring heater 28's position is corresponding with fan 26's position, fan 26 and heater 27's power is opened to the accessible, the heat that makes fan 26 distribute out ring heater 28 replaces through bleeder vent 4, thereby make the inside humid air of converter casing 1 discharge, the inside drying of converter casing 1 has been improved, make the extension of converter casing 1 life.

Further, connecting plate 11 is installed to the lower extreme of converter casing 1, the lower terminal surface of connecting plate 11 is provided with electrical terminal 12, electrical terminal 12 and connecting plate 11 threaded connection, transformer 13's internally mounted has hall element 20, hall element 20 extends to connecting plate 11 inside and electrical terminal 12 fixed connection, transformer 13's inside is provided with epoxy 21, and epoxy 21's internally mounted has the coil, and the coil passes through wire and hall element 20 electric connection, when reducing the heat of coil through epoxy 21, accessible hall element 20 detects output current value.

Further, a welding head 14 is installed at the lower end of the fastener 15, a connecting copper sheet 22 is installed inside the fastener 15, a lead is arranged between the connecting copper sheet 22 and the transformer 13, the lead is electrically connected with the connecting copper sheet 22 and the transformer 13 through the welding head 14 respectively, a DBC (direct bonded copper) lining plate 23 is arranged on the upper end face of the connecting copper sheet 22, a substrate 24 is installed on the upper end face of the DBC lining plate 23, a heat-conducting silica gel 25 is arranged on the upper end face of the substrate 24, the heat-conducting silica gel 25 is respectively bonded with the substrate 24 and the fastener 15, heat generated in the working process of the lead can be reduced through the fastener 15, heat of the plc timing counter 16 is reduced.

Further, the plc timing counter 16 is electrically connected to the connecting copper sheet 22 through a wire, the plc timing counter 16 is electrically connected to the driving board 19 through a wire, a switch button 17 and a display screen 18 are disposed on a front end surface of the plc timing counter 16, the plc timing counter 16 is operated through the switch button 17, and time is displayed through the display screen 18.

The working principle is as follows: when the water pump is used, a power line is connected to the electric terminal 12, the wiring contact 10 is connected with a water pump motor, the frequency converter shell 1 is fixed with the water pump, the output current value can be detected through the Hall element 20, before the power of the water pump is adjusted by using the frequency converter, the transmitted power voltage can be adjusted through the transformer 13, the frequency conversion time can be adjusted through the plc timing counter 16, the power of the driving plate 19 can be turned on through the plc timing counter 16, so that the power of the water pump motor can be adjusted and controlled under the influence of the frequency converter, the frequency converter can be turned on at the specified time through the plc timing counter 16, the use is convenient, manual adjustment and control are not needed, the working pressure is reduced, the practicability is strong, the heat generated in the working of a lead can be reduced through the fastener 15, the heat of the plc timing counter 16 is reduced, and the moist air generated in the frequency converter shell 1 after, PT-100 temperature and humidity sensor inside accessible dehumidifier 2 detects, and when humidity was too big, the power of fan 26 and heater 27 was opened to the accessible, made the heat that fan 26 distributed out electric heating coil 28 replace through bleeder vent 4 to make the inside humid air of converter casing 1 discharge, improved the inside drying of converter casing 1, make converter casing 1 life extension.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Multistage timing control water pump converter, including converter casing (1), its characterized in that: dehumidifier (2) are all installed to the both sides of converter casing (1), just the internally mounted of converter casing (1) has plc timing counter (16), fastener (15) are installed to the lower extreme of plc timing counter (16), transformer (13) are installed to the below of fastener (15), just drive plate (19) are installed to the top of plc timing counter (16), fixed plate (6) are installed to the upper end of drive plate (19), connecting wire (9) are installed to the top of fixed plate (6), wiring contact (10) are installed to the one end of connecting wire (9).

2. The multi-segment timing control water pump frequency converter according to claim 1, characterized in that: the preceding terminal surface of converter casing (1) is provided with transparent cover (5), transparent cover (5) pass through hinge swing joint with converter casing (1), just lug (8) are installed to the preceding terminal surface of transparent cover (5), lug (8) set up structure as an organic whole with transparent cover (5), the inside of fixed plate (6) is provided with wire opening (7), the other end of connecting wire (9) passes wire opening (7) and extends to converter casing (1) inside and drive plate (19) electric connection.

3. The multi-segment timing control water pump frequency converter according to claim 1, characterized in that: the outside of dehumidifier (2) is provided with access panel (3), the preceding terminal surface of access panel (3) is provided with bleeder vent (4), just the internally mounted of dehumidifier (2) has heater (27), the preceding terminal surface of heater (27) is provided with ring heater (28), just fan (26) are all installed to the both sides of heater (27), the position of ring heater (28) is corresponding with the position of fan (26).

4. The multi-segment timing control water pump frequency converter according to claim 1, characterized in that: connecting plate (11) are installed to the lower extreme of converter casing (1), the lower terminal surface of connecting plate (11) is provided with electrical connection terminal (12), electrical connection terminal (12) and connecting plate (11) threaded connection, the internally mounted of transformer (13) has hall element (20), hall element (20) extend to connecting plate (11) inside with electrical connection terminal (12) fixed connection, the inside of transformer (13) is provided with epoxy (21), just the internally mounted of epoxy (21) has the coil, and the coil passes through wire and hall element (20) electric connection.

5. The multi-segment timing control water pump frequency converter according to claim 4, wherein: bonding tool (14) are installed to the lower extreme of fastener (15), just the internally mounted of fastener (15) has connection copper sheet (22), be provided with the wire between connection copper sheet (22) and transformer (13), and the wire respectively with be connected copper sheet (22) and transformer (13) and pass through bonding tool (14) electric connection, just the up end of connecting copper sheet (22) is provided with DBC welt (23), base plate (24) are installed to the up end of DBC welt (23), the up end of base plate (24) is provided with heat conduction silica gel (25), heat conduction silica gel (25) are connected with base plate (24) and fastener (15) bonding respectively.

6. The multi-segment timing control water pump frequency converter according to claim 5, characterized in that: the plc timing counter (16) is electrically connected with a connecting copper sheet (22) through a lead, the plc timing counter (16) is electrically connected with a driving plate (19) through a lead, and a switch key (17) and a display screen (18) are arranged on the front end face of the plc timing counter (16).