CN213661202U - Protector device for three-phase magnetic pump - Google Patents
Protector device for three-phase magnetic pump Download PDFInfo
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- CN213661202U CN213661202U CN202021639772.7U CN202021639772U CN213661202U CN 213661202 U CN213661202 U CN 213661202U CN 202021639772 U CN202021639772 U CN 202021639772U CN 213661202 U CN213661202 U CN 213661202U
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- mechanism shell
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- magnetic pump
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Abstract
The utility model discloses a protector device of a three-phase magnetic pump, which is characterized by comprising an upper cover of a mechanism shell, a bottom cover of the mechanism shell, a control panel module and a display module; the upper cover of the mechanism shell and the bottom cover of the mechanism shell are combined and installed into the mechanism shell, the control panel module is arranged in the mechanism shell, and the display module is arranged on the side surface of the mechanism shell; the control panel module is connected with the display module; is connected with an external device through an input connector; the utility model discloses an electronization hardware circuit control can realize the open-phase protection, overflows, and overload protection, convenient operation, accessible display screen carry out human-computer interaction, and the light-weighted of appearance structure size does benefit to the production assembly.
Description
Technical Field
The utility model relates to a research field of magnetic drive pump protector, in particular to three-phase magnetic drive pump protector device.
Background
Most of the traditional three-phase four-wire magnetic pumps are powered by a direct power distribution cabinet, so that the magnetic pumps are easy to lose liquid and idle for a long time, and faults such as phase shortage, inversion, overload, overvoltage and the like cause burning of motors; or a protector device can be accessed in the current market, most of protectors are in a mechanical control mode, and the size of the protector is large, so that the protector is not beneficial to assembly and production;
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming and not enough, provide a three-phase magnetic drive pump protector device, realize three-phase voltage, three-phase current detects, and then realizes the open-phase protection, overflows, overload protection.
The purpose of the utility model is realized through the following technical scheme:
a protector device of a three-phase magnetic pump is characterized by comprising an upper cover of a mechanism shell, a bottom cover of the mechanism shell, a control panel module and a display module; the upper cover of the mechanism shell and the bottom cover of the mechanism shell are combined and installed into the mechanism shell, the control panel module is arranged in the mechanism shell, and the display module is arranged on the side surface of the mechanism shell; the control panel module is connected with the display module; the magnetic pump is connected with an external device through an input connector, the connector at the input end of the control panel module is connected with a three-phase ground wire of the power distribution cabinet, three live wires of a motor of the magnetic pump are connected to a P3 terminal of the control module, and the ground wire is connected to a shell of the magnetic pump;
the control panel module comprises a control chip module, a relay module, a power supply module and an ideological semiconductor module; the control chip module is respectively connected with the relay module, the power supply module and the Italian semiconductor module; the relay module is connected with the power distribution cabinet and is also connected with the semiconductor module by an intentional method.
Furthermore, the control chip module adopts a three-phase electric energy metering chip.
Further, the relay module comprises a first relay, a second relay and a third relay; the first relay, the second relay and the third relay are respectively connected with the semiconductor module by the method;
further, the first relay, the second relay and the third relay adopt HF115F-012-1HS 3.
Further, the power module is a three-phase module power supply.
Further, the semantic semiconductor module employs STM32F103RCT 6.
Further, the display module adopts an OLED display screen.
Further, the mechanism housing is a plastic mechanism housing.
Further, the control panel module adopts a PCB control panel.
The utility model discloses the theory of operation as follows:
when the metering chip detects that which phase voltage is not connected, the MCU controls signals of the 3 relays to be converted from high level to low level, and the relays are disconnected (namely, the power supply at the input end is disconnected), so that the function of open-phase protection is achieved; similarly, the reference current sampled by 3 ZMCT103C current transformers is converted into voltage signals through 5.1 ohm resistors, the voltage signals are sent to the interior of the metering chip to be used as a reference for accurately reading the three-phase currents Ia, Ib and Ic, and when the idle current read by the metering chip and the overload current are not in the set range, the relay is disconnected, the buzzer alarms, and the functions of idle running, overload protection and the like are achieved.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model discloses an electronization hardware circuit control can realize the open-phase protection, overflows, and overload protection, convenient operation, accessible display screen carry out human-computer interaction, and the light-weighted of appearance structure size does benefit to the production assembly.
Drawings
Fig. 1 is an exploded view of a three-phase magnetic pump protector device according to the present invention;
fig. 2 is a cross-sectional view of the protector device of the three-phase magnetic pump according to the embodiment of the present invention.
In the attached figure, 1-mechanism shell upper cover, 2-control panel module, 3-display module, 4-input connector and 5-mechanism shell bottom cover.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
Example (b):
a protector device of a three-phase magnetic pump is shown in figure 1 and is characterized by comprising an upper cover 1 of a mechanism shell, a bottom cover 5 of the mechanism shell, a control panel module 2 and a display module 3; the mechanism shell upper cover and the mechanism shell bottom cover are combined and installed into a mechanism shell, the mechanism shell is a plastic mechanism shell, the control panel module is arranged in the mechanism shell, and the display module is arranged on the side face of the mechanism shell; the control panel module is connected with the display module; the magnetic pump is connected with an external device through an input connector 4, a connector at the input end of the control panel module is connected with a three-phase ground wire of a power distribution cabinet, three live wires of a motor of the magnetic pump are connected to a P3 terminal of the control module, and the ground wire is connected to a shell of the magnetic pump; the input connector is a flat cable input end of a power distribution cabinet.
The control panel module adopts a PCB control panel and is fixed on the bottom cover of the mechanism shell by four screws with the diameter of 3mm, and the control panel module comprises a control chip module, a relay module, a power supply module and an Italian semiconductor module; the control chip module is respectively connected with the relay module, the power supply module and the Italian semiconductor module; the relay module is connected with the power distribution cabinet and is also connected with the semiconductor module by an intentional method.
Furthermore, the control chip module adopts a three-phase electric energy metering chip.
Further, the relay module comprises a first relay, a second relay and a third relay; the first relay, the second relay and the third relay are respectively connected with the semiconductor module by the method;
further, the first relay, the second relay and the third relay adopt HF115F-012-1HS 3.
Further, the power module is a three-phase module power supply.
Further, the semantic semiconductor module employs STM32F103RCT 6.
Furthermore, the display module adopts the OLED display screen, the OLED display screen is fixed in the positive side of the shell and is fixed by four screws with the diameter of 3mm, and the OLED display screen is connected to the PCB control panel P4 through an 8P flat cable.
The cross-sectional view of the protector device of the three-phase magnetic pump is shown in fig. 2, an input power supply wire harness is connected to a PCB control panel wire inlet end P1 through an input connector of a round hole on the side surface of a bottom cover of a shell, and the three-phase wire inlet end of the magnetic pump penetrates out of the bottom cover of the shell and is connected to a PCB control panel wire outlet end P3; the three-phase inlet wire end of the magnetic pump is a motor wire of the magnetic pump.
The flat cable at the input end of the power distribution cabinet is input from a hole with the diameter of 20mm of the shell.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (9)
1. A protector device of a three-phase magnetic pump is characterized by comprising an upper cover of a mechanism shell, a bottom cover of the mechanism shell, a control panel module and a display module; the upper cover of the mechanism shell and the bottom cover of the mechanism shell are combined and installed into the mechanism shell, the control panel module is arranged in the mechanism shell, and the display module is arranged on the side surface of the mechanism shell; the control panel module is connected with the display module; the magnetic pump is connected with an external device through an input connector, the connector at the input end of the control panel module is connected with a three-phase ground wire of the power distribution cabinet, three live wires of a motor of the magnetic pump are connected to a P3 terminal of the control module, and the ground wire is connected to a shell of the magnetic pump;
the control panel module comprises a control chip module, a relay module, a power supply module and an ideological semiconductor module; the control chip module is respectively connected with the relay module, the power supply module and the Italian semiconductor module; the relay module is connected with the power distribution cabinet and is also connected with the semiconductor module by an intentional method.
2. The protector device of claim 1, wherein the control chip module is a three-phase power metering chip.
3. The protector apparatus of claim 1, wherein the relay module comprises a first relay, a second relay, a third relay; the first relay, the second relay and the third relay are respectively connected with the semiconductor module.
4. A protector arrangement for a three-phase magnetic pump according to claim 3, characterized in that the first, second and third relays are HF115F-012-1HS 3.
5. The protector apparatus of claim 1 wherein the power module is a three-phase isolated module power supply.
6. A three-phase magnetic pump protector device according to claim 1, characterized in that the said semiconductor module uses STM32F103RCT 6.
7. The protector device of claim 1, wherein the display module is an OLED display screen.
8. A protector apparatus for a three-phase magnetic pump as claimed in claim 1 wherein the mechanism housing is a plastic mechanism housing.
9. The protector apparatus of claim 1, wherein the control board module is a PCB control board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639772.7U CN213661202U (en) | 2020-08-10 | 2020-08-10 | Protector device for three-phase magnetic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639772.7U CN213661202U (en) | 2020-08-10 | 2020-08-10 | Protector device for three-phase magnetic pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213661202U true CN213661202U (en) | 2021-07-09 |
Family
ID=76692104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021639772.7U Active CN213661202U (en) | 2020-08-10 | 2020-08-10 | Protector device for three-phase magnetic pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213661202U (en) |
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2020
- 2020-08-10 CN CN202021639772.7U patent/CN213661202U/en active Active
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