Timing and constant-speed water pump frequency converter

Abstract

The utility model discloses a timing constant-speed water pump frequency converter, which relates to the technical field of frequency converters, and comprises a frequency converter and a water pump with a motor, the frequency converter comprises a shell and is used for controlling the motor to operate, and the motor controls the water pump to operate; the shell is provided with a control module, the control module is connected with the motor, and the control module is provided with a display area and a setting area; the display area comprises a speed display area and a time display area, the speed display area is used for displaying the rotating speed of the motor, and the time display area is used for displaying time; the setting area is provided with an operation stop key, a setting key, a numerical value adding key and a numerical value reducing key, the operation stop key is used for controlling the motor to start or stop, the setting key is used for selecting a setting object, and the numerical value adding key and the numerical value reducing key are respectively used for increasing or reducing a set value; a speed measuring module is arranged in the shell and connected with the motor and the control module. A timing module is further arranged in the shell and connected with the control module. The utility model realizes the effect of timing and speed setting.

Description

Technical Field

[0001] The utility model relates to the technical field of frequency converters, and particularly relates to a timing and constant-speed water pump frequency converter. Background Art

[0002] In the prior art, similar water pump frequency converters have been disclosed in the following patent documents.

[0003] The Chinese utility model patent specification CN 205533305 U (published on August 31, 2016) discloses a new type of water pump frequency converter, which includes a main body composed of a base and a mask. The main body is fixedly connected to the outside of the water pump through a connecting unit. A control panel is provided on the main body. A five-way joint is fixedly connected to the main body. The first interface of the five-way joint is communicated with the water outlet of the water pump. The second interface is used to communicate with an external pipe. A flow sensor is provided in the third interface. A pressure sensor is provided in the fourth interface. A check valve for blocking the first interface is provided in the five-way joint. The fifth interface is arranged opposite to the first interface and a pressure stabilizing tank is arranged on the fifth interface. A guide seat for guiding the check valve is also provided in the fifth interface. A spring for resetting the check valve is provided on the guide seat. This utility model has the advantages of high safety, wide application range, etc.

[0004] However, the above-disclosed new type of water pump frequency converter does not have the effect of timing and constant speed, and cannot well meet the living needs of modern people.

[0005] In addition, to achieve the waterproof effect, the current water pump frequency converter realizes the sealed connection between the housing and the transparent plate through an adhesive. Therefore, if the transparent plate is damaged, it cannot be replaced. Summary of the Utility Model

[0006] The technical problem to be solved by this utility model is to provide a timing and constant-speed water pump frequency converter to overcome the defect that the water pump frequency converter in the prior art does not have the effect of timing and constant speed and cannot meet the living needs of modern people.

[0007] To solve the above technical problems, the timing and constant-speed water pump frequency converter of the present utility model includes a frequency converter and a water pump with a motor. The frequency converter includes a housing, and the frequency converter is used to control the operation of the motor, and the motor controls the operation of the water pump; a control module is provided on the housing, the control module is connected to the motor, and a display area and a setting area are provided on the control module; the display area includes a speed display area and a time display area, the speed display area is used to display the motor speed, and the time display area is used to display time; the setting area is provided with an operation stop key, a setting key, a value increase key, and a value decrease key. The operation stop key is used to control the start or stop of the motor, the setting key is used to select a setting object, and the value increase key and the value decrease key are respectively used to increase or decrease the set value; a speed measurement module is provided in the housing, the speed measurement module is respectively connected to the motor and the control module, and the speed measurement module is used to measure the motor speed; a timing module is further provided in the housing, the timing module is connected to the control module, and the timing module is used to record the working time of the water pump frequency converter.

[0008] Among them, the display area is a liquid crystal display screen.

[0009] Among them, the timing and constant-speed water pump frequency converter further includes a perspective plate and a soft silicone pad. A liquid crystal display screen opening, a key opening, and a plug post opening are provided on the housing. The size of the liquid crystal display screen opening is the same as that of the liquid crystal display screen, and the size of the key opening is the same as that of the key. The soft silicone pad covers the housing. Plug posts are provided on the perspective plate, and the plug posts pass through the soft silicone pad and are inserted into the plug post openings.

[0010] Among them, the plug posts include a main plug post, a secondary plug post, and a tertiary plug post, and the plug post openings include a main plug post opening, a secondary plug post opening, and a tertiary plug post opening.

[0011] Among them, the soft silicone pad includes a square-edge silicone pad with a loop shape, and the square-edge silicone pad with a loop shape covers the periphery of the housing.

[0012] Among them, the main plug post passes through the square-edge silicone pad with a loop shape and is inserted into the main plug post opening.

[0013] Among them, a rectangular-edge silicone pad and a circular-edge silicone pad that cover the periphery of the liquid crystal display screen opening and the key opening are further connected to the middle of the square-edge silicone pad with a loop shape.

[0014] Among them, the secondary plug post opening is provided around the liquid crystal display screen opening, the tertiary plug post opening is provided around the key opening, the secondary plug post passes through the rectangular-edge silicone pad and is inserted into the secondary plug post opening, and the tertiary plug post passes through the circular-edge silicone pad and is inserted into the tertiary plug post opening.

[0015] Among them, annular protrusions are provided on the main insertion post, the secondary insertion post, and the tertiary insertion post, and annular grooves are provided on the main insertion post opening, the secondary insertion post opening, and the tertiary insertion post opening. When the main insertion post, the secondary insertion post, and the tertiary insertion post are inserted into the main insertion post opening, the secondary insertion post opening, and the tertiary insertion post opening, the protrusions are exactly clamped in the grooves.

[0016] Among them, a convex plate with the same size as the liquid crystal display screen opening is provided on the perspective plate.

[0017] Compared with the prior art, the beneficial effect of the present utility model is that by setting a speed measurement module and a timing module, the water pump frequency converter has the effect of timing and constant speed, which well meets the living needs of modern people.

[0018] In addition, the present utility model realizes the connection between the housing and the perspective plate by setting a soft silicone pad, insertion posts, and insertion post openings, which not only ensures the waterproof effect but also facilitates the replacement and disassembly of the perspective plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional structural schematic diagram of the frequency converter of the present utility model;

[0020] Figure 2 is an exploded structural schematic diagram of the frequency converter of the present utility model;

[0021] Figure 3 is a sectional structural schematic diagram of the frequency converter of the present utility model;

[0022] Figure 4 is a rear view of the perspective plate of the present utility model;

[0023] Figure 5 is a partially enlarged structural schematic diagram of the frequency converter of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following combines the drawings and embodiments to further describe in detail the specific embodiments of the present utility model. The following embodiments are used to illustrate the present utility model but are not used to limit the scope of the present utility model.

[0025] Embodiment 1

[0026] As Figure 1 , 2 shown, the water pump frequency converter of this embodiment includes a frequency converter 1 and a water pump with a motor (not shown in the figure). The frequency converter includes a housing 2. The frequency converter is used to control the operation of the motor, and the motor controls the operation of the water pump. A control module 3 is provided on the housing, the control module is connected to the motor, and a display area 4 and a setting area 5 are provided on the control module. The display area is a liquid crystal display screen.

[0027] The display area of this embodiment includes a speed display area and a time display area. When setting the speed, the speed display area is used to display the rotation speed set by the motor. When the water pump frequency converter is running, the speed display area shows the set rotation speed of the motor. When setting the time, the time display area is used to display the set time. When the water pump frequency converter is running, the time display area shows the running time of the water pump frequency converter.

[0028] The setting area of this embodiment is provided with a run / stop key, a setting key, a value increase key, and a value decrease key. The run / stop key is used to control the start or stop of the motor. The setting key is used to select the setting object. The value increase key and the value decrease key are respectively used to increase or decrease the set value. When in use, press the setting key, and the cursor on the display area blinks. When the cursor stays in the speed display area, click the value increase key as needed to increase the rotation speed of the motor or click the value decrease key to decrease the rotation speed of the motor. After the setting is completed, click the selection key again to complete the speed setting. Similarly, click the setting key, and the cursor on the display area blinks. When the cursor stays in the time display area, click the value increase key as needed to increase the running time of the water pump frequency converter or click the value decrease key to decrease the running time of the water pump frequency converter. After the adjustment is completed, click the selection key again to complete the time setting of the water pump frequency converter.

[0029] A speed measurement module is provided inside the housing of this embodiment. The speed measurement module is respectively connected to the motor and the control module. The speed measurement module is used to measure the rotation speed of the motor and display the measured rotation speed in the speed display area.

[0030] A timing module is also provided inside the housing of this embodiment. The timing module is connected to the control module. The timing module is used to record the working time of the water pump frequency converter. Click the run / stop key to start the water pump frequency converter. The timing module starts timing and transmits the timing to the control module for display in the time display area. When the running time of the water pump frequency converter reaches the set running time, the water pump frequency converter automatically stops working.

[0031] By setting the speed measurement module and the timing module in this embodiment, the water pump frequency converter has the effect of timing and speed setting, which well meets the living needs of modern people.

[0032] Embodiment Two

[0033] Such as Figures 1 to 5As shown in the figure, the second embodiment is basically the same as the first embodiment. The difference is that in this embodiment, a perspective plate 6 and a soft silicone pad 7 are further included. The housing and the perspective plate are made of a plastic material with a certain toughness. The soft silicone pad includes a square-ring-shaped edge body silicone pad 8, and a rectangular edge body silicone pad 11 and a circular edge body silicone pad 12 that are connected to the middle of the square-ring-shaped edge body silicone pad and cover the periphery of the liquid crystal display screen opening 9 and the button opening 10 are also included. A liquid crystal display screen opening, a button opening, and a main plug post opening 13 are provided on the housing. The size of the liquid crystal display screen opening is the same as that of the liquid crystal display screen 14 and they are oppositely arranged. The size of the button opening is the same as that of each button 15 and the button protrudes from the button opening. A convex plate 16 with the same size as the liquid crystal display screen opening is provided on the perspective plate, and the convex plate is matched inside the liquid crystal display screen opening. The square-ring-shaped edge body silicone pad covers the periphery of the housing. A main plug post 17 is provided on the perspective plate, and the main plug post passes through the square-ring-shaped edge body silicone pad and is inserted into the main plug post opening. A secondary plug post opening 18 is provided around the liquid crystal display screen opening, and a secondary plug post opening 19 is provided around the button opening. A secondary plug post 20 and a secondary plug post 21 are provided on the perspective plate. The secondary plug post passes through the rectangular edge body silicone pad and is inserted into the secondary plug post opening, and the secondary plug post passes through the circular edge body silicone pad and is inserted into the secondary plug post opening. Annular protrusions 22 are provided on the main plug post, the secondary plug post, and the secondary plug post. Annular grooves 23 are provided on the main plug post opening, the secondary plug post opening, and the secondary plug post opening. When the main plug post, the secondary plug post, and the secondary plug post are inserted into the main plug post opening, the secondary plug post opening, and the secondary plug post opening, the protrusions are exactly stuck in the grooves. During assembly, the square-ring-shaped edge body silicone pad, the rectangular edge body silicone pad, and the circular edge body silicone pad are respectively covered on the periphery of the housing, the rectangular edge body silicone pad, and the circular edge body silicone pad. Then the perspective plate is covered on the soft silicone pad and is connected by inserting the main plug post, the secondary plug post, and the secondary plug post on the perspective plate into the main plug post opening, the secondary plug post opening, and the secondary plug post opening of the housing respectively, and then is clamped by means of the action of the annular protrusion and the annular groove.

[0034] In this embodiment, the connection between the housing and the perspective plate is realized by setting a soft silicone pad, plug posts, and plug post openings, which not only ensures the waterproof effect but also facilitates the replacement and disassembly of the perspective plate.

[0035] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present invention.

Claims

1. A timing and constant-speed water pump frequency converter, comprising a frequency converter and a water pump with a motor. The frequency converter includes a housing, and the frequency converter is used to control the operation of the motor, and the motor controls the operation of the water pump; It is characterized in that: A control module is provided on the housing. The control module is connected to the motor, and a display area and a setting area are provided on the control module; The display area includes a speed display area and a time display area. The speed display area is used to display the motor speed, and the time display area is used to display the time; The setting area is provided with an operation stop key, a setting key, a value increase key, and a value decrease key. The operation stop key is used to control the start or stop of the motor, the setting key is used to select a setting object, and the value increase key and the value decrease key are respectively used to increase or decrease the set value; A speed measurement module is provided in the housing. The speed measurement module is respectively connected to the motor and the control module, and the speed measurement module is used to measure the motor speed; A timing module is further provided in the housing. The timing module is connected to the control module, and the timing module is used to record the working time of the water pump frequency converter.

2. The timing and constant speed water pump frequency converter according to claim 1, characterized in that: The display area is a liquid crystal display screen.

3. The timing and constant speed water pump frequency converter according to claim 2, characterized in that: The timing and constant-speed water pump frequency converter further includes a transparent plate and a soft silicone pad. A liquid crystal display screen opening, a key opening, and a stud opening are provided on the housing. The size of the liquid crystal display screen opening is the same as that of the liquid crystal display screen, and the size of the key opening is the same as that of the key. The soft silicone pad covers the housing. Studs are provided on the transparent plate, and the studs pass through the soft silicone pad and are inserted into the stud openings.

4. The timing and constant speed water pump frequency converter according to claim 3, characterized in that: The studs include a main stud, a secondary stud, and a minor stud. The stud openings include a main stud opening, a secondary stud opening, and a minor stud opening.

5. The timing and constant-speed water pump frequency converter according to claim 4, characterized in that: The soft silicone pad includes a rectangular frame-shaped edge silicone pad, and the rectangular frame-shaped edge silicone pad covers the periphery of the housing.

6. The timing and constant speed water pump frequency converter according to claim 5, wherein: The main stud passes through the rectangular frame-shaped edge silicone pad and is inserted into the main stud opening.

7. The timing and constant speed water pump frequency converter according to claim 6, characterized in that: A rectangular edge silicone pad and a circular edge silicone pad that cover the periphery of the liquid crystal display screen opening and the key opening are further connected to the middle of the rectangular frame-shaped edge silicone pad.

8. The timing and constant speed water pump frequency converter according to claim 7, characterized in that: The secondary stud openings are provided around the liquid crystal display screen opening, and the minor stud openings are provided around the key opening. The secondary studs pass through the rectangular edge silicone pad and are inserted into the secondary stud openings, and the minor studs pass through the circular edge silicone pad and are inserted into the minor stud openings.

9. The timing and constant speed water pump frequency converter according to claim 8, characterized in that: Circular protrusions are provided on the main stud, the secondary stud, and the minor stud, and circular grooves are provided on the main stud opening, the secondary stud opening, and the minor stud opening. When the main stud, the secondary stud, and the minor stud are inserted into the main stud opening, the secondary stud opening, and the minor stud opening, the protrusions are just clamped tightly in the grooves.

10. The timing and constant speed water pump frequency converter according to claim 9, characterized in that: A convex plate with the same size as the liquid crystal display screen opening is provided on the transparent plate.

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