CN209908825U

CN209908825U - Variable frequency fan and control device in water supply system

Info

Publication number: CN209908825U
Application number: CN201920749787.XU
Authority: CN
Inventors: 朱峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-01-07
Anticipated expiration: 2029-05-23

Abstract

The application of the fan and pump equipment in the water supply system is very wide. The utility model provides a frequency conversion fan and controlling means among water supply system, including control box and fan, be equipped with emergency stop switch on the control box, emergency stop switch includes the handle, be equipped with the slider on the handle, the slider cooperatees with the spout on the emergency stop switch shell, still be equipped with the chaste tree claw on the emergency stop switch shell and reset the groove, the inside top of emergency stop switch is equipped with the spring, the both sides of spring are equipped with binding post and magnetism portion of inhaling in proper order, the spring links to each other with connecting portion, the top surface and the bottom surface of connecting portion are equipped with conductor and clamping part respectively, one side of clamping part is equipped with two chaste trees, two chaste trees form a tooth's socket, the inside chaste tree claw that still is equipped with of emergency stop switch, be equipped with the cylinder. Two ends of the conductor are made of ferromagnetic materials; the part of the conductor, which is contacted with the wiring terminal, is provided with an arc-shaped bulge.

Description

Variable frequency fan and control device in water supply system

Technical Field

The utility model belongs to the fan field, especially a frequency conversion fan and controlling means among water supply system.

Background

The water supply system is a complex with water supply equipment as a core, and is a novel environment-friendly and energy-saving professional system which is specially developed and designed for solving the problem that the water cannot reach the height or flow of water for users due to insufficient pressure. Water supply equipment popular in the market may be classified according to its type: the system comprises a non-negative pressure water supply device, a non-tower variable frequency water supply device, a dual-mode variable frequency water supply device, a household integrated water supply device, a numerical control air pressure type water supply device, an ultra-silent pipe intermediate pump variable frequency water supply device and the like.

The fan and the pump equipment in the water supply system are widely applied, and the fan mainly comprises a shell, an impeller, an air inlet and an outer rotor motor. Wherein, the whole shell is generally made by a galvanized steel plate seam or a high-quality cold-rolled sheet seam; most of the impellers are formed by riveting forward multi-wing arc blades with a front disc and a middle disc; the air inlet is processed by a die, and the section parallel to the axial direction is streamline; two shaft ends of the outer rotor motor are fixed on the air inlet, and the impeller is directly connected with the motor rotating shell. The fan in the existing water supply system is inconvenient to install and disassemble and inconvenient to operate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a frequency conversion fan and controlling means among water supply system, the technical scheme of adoption as follows:

the utility model provides a frequency conversion fan and controlling means among water supply system, including control box and fan, be equipped with emergency stop switch on the control box, emergency stop switch includes the handle, be equipped with the slider on the handle, the slider cooperatees with the spout on the emergency stop switch shell, still be equipped with the chaste tree claw on the emergency stop switch shell and reset the groove, the inside top of emergency stop switch is equipped with the spring, the both sides of spring are equipped with binding post and magnetism portion of inhaling in proper order, the spring links to each other with connecting portion, the top surface and the bottom surface of connecting portion are equipped with conductor and clamping part respectively, one side of clamping part is equipped with two chaste trees, two chaste trees form a tooth's socket, the inside chaste tree claw that still is equipped with of emergency stop switch, be.

Furthermore, two ends of the conductor are made of ferromagnetic materials; the part of the conductor, which is contacted with the wiring terminal, is provided with an arc-shaped bulge.

Furthermore, a limiting column is arranged inside the emergency stop switch and used for limiting the pawl.

Further, the handle is fixedly connected with the clamping part.

Further, the air inlet department of fan is equipped with the filter screen, and the filter screen comprises outer edge and filter screen, and the material on outer edge is rubber.

Further, the two opposite sides of the air inlet of the fan are provided with filter screen mounting rods, a fracture is arranged in the middle of each filter screen mounting rod, the filter screen mounting rods are arranged on the inner sides of the filter screen mounting rods, and a filter screen fixing groove is formed in the shell of the air inlet of the fan.

Further, be equipped with sealing strip and filter screen installation department on the outer edge, in the sealing strip embedding filter screen fixed slot, the filter screen installation department cooperatees with filter screen installation pole, and filter screen installation pole inserts in the filter screen installation department.

Compared with the prior art, the beneficial effects of the utility model reside in that: the emergency stop switch with a handle is arranged on the control cabinet connected with the fan, and the emergency stop switch is matched with the sliding groove, the sliding block, the chaste tooth and the tooth groove to realize the on-off of the fan, so that the operation is convenient; the air inlet of the fan is provided with the filter screen, the filter screen is mounted without using screw bolts, mounting and dismounting are very convenient, the outer edge of the filter screen is made of rubber, and noise generated when the fan works is reduced.

Drawings

FIG. 1 is a schematic view of a control box;

FIG. 2 is a schematic diagram of an external structure of the emergency stop switch;

FIG. 3 is a schematic diagram of the internal structure of the emergency stop switch;

FIG. 4 is a schematic view of a blower inlet structure;

fig. 5 is a schematic diagram of a screen construction.

Description of reference numerals:

the device comprises a control box-1, an emergency stop switch-2, a handle-201, a sliding block-202, a claw resetting groove-203, a sliding groove-204, a cylinder-205, a magnetic part-206, a conductor-207, a spring-208, a wiring terminal-209, an arc-shaped bulge-210, a connecting part-211, a clamping part-212, a tooth-213, a claw-214, a limiting column-215, a fan-3, a filter screen fixing groove-301, a filter screen mounting rod-302, a filter screen-4, a filter screen mounting part-401, a sealing strip-402, a filter screen outer edge-403 and a filter screen-404.

Detailed Description

As shown in fig. 1 to 5, the blower and the control device in the water supply system provided in this embodiment include a control box 1 and a blower 3, the control box 1 is provided with an emergency stop switch 2, the emergency stop switch 2 includes a handle 201, the handle 201 is provided with a slider 202, the slider 202 is matched with a chute 204 on a housing of the emergency stop switch 2, the housing of the emergency stop switch 2 is further provided with a pawl reset slot 203, a spring 208 is provided at a top end inside the emergency stop switch 2, two sides of the spring 208 are sequentially provided with a connection terminal 209 and a magnetic part 206, the spring 208 is connected with a connection part 211, a top surface and a bottom surface of the connection part 211 are respectively provided with a conductor 207 and a locking part 212, one side of the locking part 212 is provided with two pawls 213, the two pawls 213 form a tooth slot, the emergency stop switch 2 is further provided with a pawl 214, the pawl is provided with a column 205, and the column.

Both ends of the conductor 207 are made of ferromagnetic material; the portion of the conductor 207 that contacts the terminal 209 is provided with an arc-shaped projection 210. The inside of the emergency stop switch 2 is also provided with a limit column 215 for limiting the position of the claw 214. The handle 201 is fixedly connected to the latch 212. A filter screen 4 is arranged at an air inlet of the fan 3, the filter screen 4 is composed of an outer edge 403 and a filter screen 404, and the outer edge 403 is made of rubber.

The both sides that are relative in 3 air intakes of fan department are equipped with filter screen installation pole 302, are equipped with the fracture in the middle of filter screen installation pole 302, and filter screen installation pole 302 is inboard, still is equipped with filter screen fixed slot 301 on the casing of 3 air intakes of fan. The outer edge 403 is provided with a sealing strip 402 and a filter screen mounting part 401, when the filter screen 4 is mounted, the sealing strip 402 is embedded into the filter screen fixing groove 301, the filter screen mounting part 401 is matched with the filter screen mounting rod 302, and the filter screen mounting rod 302 is inserted into the filter screen mounting part 401.

When the fan 3 works, if the handle 201 is pulled down, the fan 3 stops working, the pawl 214 is clamped in the tooth slot at the moment, and the pawl 214 plays a role in fixing the handle 201 and preventing the fan 3 from recovering to work due to misoperation; when resetting is required, the handle 201 is pulled downwards, the claws 214 are pulled out through the columns 205, and finally the handle 201 is placed at the initial position.

In this embodiment, the control box 1 is further provided with a variable frequency controller, and the temperature of the fan 3 is kept basically constant by the variable frequency controller under the condition of environmental temperature change, so that the requirement on the temperature can be met, and the motor is not rotated at full speed, thereby causing the waste of electric energy. A conventional variable frequency controller, such as an emmick frequency converter, is used in this embodiment.

The technical principles of the present invention have been described above with reference to specific embodiments, and these descriptions are only for explaining the technical principles of the present invention, and should not be construed as limiting the scope of the present invention in any way. Based on this explanation, those skilled in the art can imagine that other embodiments of the present invention will fall within the scope of the present invention without any inventive effort.

Claims

1. The utility model provides a frequency conversion fan and controlling means among water supply system, a serial communication port, including control box (1) and fan (3), be equipped with scram switch (2) on control box (1), scram switch (2) include handle (201), be equipped with slider (202) on handle (201), slider (202) cooperate with spout (204) on scram switch (2) shell, still be equipped with pawl reset groove (203) on scram switch (2) shell, the inside top of scram switch (2) is equipped with spring (208), the both sides of spring (208) are equipped with binding post (209) and magnetism portion of inhaling (206) in proper order, spring (208) link to each other with connecting portion (211), the top surface and the bottom surface of connecting portion (211) are equipped with conductor (207) and clamping part (212) respectively, one side of clamping part (212) is equipped with two chasses (213), two chasses (213) form a tooth's socket, a chaste tree claw (214) is further arranged inside the emergency stop switch (2), a column body (205) is arranged on the chaste tree claw, and the column body (205) penetrates through a chaste tree claw reset groove (203).

2. The variable frequency fan and control device in a water supply system according to claim 1, wherein both ends of the conductor (207) are made of ferromagnetic material; the part of the conductor (207) contacting with the wiring terminal (209) is provided with an arc-shaped bulge (210).

3. The frequency conversion fan and control device in the water supply system according to claim 2, wherein the emergency stop switch (2) is further provided with a limit column (215) inside for limiting the position of the chaste claw (214).

4. The frequency conversion fan and control device in the water supply system as claimed in claim 3, wherein the handle (201) is fixedly connected with the clamping part (212).

5. The frequency conversion fan and the control device in the water supply system according to claim 1, wherein a filter screen (4) is arranged at the air inlet of the fan (3), the filter screen (4) is composed of an outer edge (403) and a filter screen (404), and the outer edge (403) is made of rubber.

6. The frequency conversion fan and control device in the water supply system according to claim 5, wherein the opposite sides of the air inlet of the fan (3) are provided with filter screen mounting rods (302), the middle of each filter screen mounting rod (302) is disconnected, the inner side of each filter screen mounting rod (302) is provided with a filter screen fixing groove (301) on the shell of the air inlet of the fan (3).

7. The variable frequency fan and control device in the water supply system according to claim 6, wherein the outer rim (403) is provided with a sealing strip (402) and a screen mounting part (401), the sealing strip (402) is embedded in the screen fixing groove (301), the screen mounting part (401) is matched with the screen mounting rod (302), and the screen mounting rod (302) is inserted into the screen mounting part (401).