CN219888234U - Water pump communication line system switching device - Google Patents
Water pump communication line system switching device Download PDFInfo
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- CN219888234U CN219888234U CN202320589756.9U CN202320589756U CN219888234U CN 219888234 U CN219888234 U CN 219888234U CN 202320589756 U CN202320589756 U CN 202320589756U CN 219888234 U CN219888234 U CN 219888234U
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- triode
- water pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000003990 capacitor Substances 0.000 claims description 39
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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Abstract
The utility model provides a water pump communication line system switching device, which comprises: the interface unit comprises a first interface and a second interface; the first input end of the input unit is connected with the first interface, the output end of the input unit is connected with the water pump, and the input unit is provided with a switch control module; the first port of the processing unit is electrically connected with the second input end of the input unit; the first output end of the feedback unit is electrically connected with the second port of the processing unit, and the first input end of the feedback unit is electrically connected with the third port of the processing unit; the input/output end of the device is connected with a second interface; the switch control module is respectively connected with the first interface and the second interface. According to the water pump communication line switching device provided by the embodiment of the utility model, the processing unit receives the indication signal sent by the feedback unit, generates the control signal to adjust the on/off of the first interface and the second interface, and realizes the switching of the three-line system and/or the four-line system with the anode and the cathode of the interface unit, so that the normal use of the water pump is ensured.
Description
Technical Field
The utility model relates to the technical field of water pumps, in particular to a switching device for a communication line system of a water pump.
Background
The existing water pump (such as a shielding pump) realizes the data transmission of the water pump by arranging a PWM communication module, wherein the common communication mode of the PWM communication module comprises a three-wire system and a four-wire system, and the difference is that a simplex or duplex mode is adopted between PWM feedback signals and input signals. Therefore, the normal use of the water pump is affected under the use environment that the water pump has a difference in communication line system.
Disclosure of Invention
The utility model provides a water pump communication line system switching device, and aims to ensure that a water pump meets the use environments of different line systems.
The embodiment of the utility model provides a water pump communication line system switching device, which comprises:
the interface unit comprises a first interface and a second interface;
the first input end of the input unit is connected with the first interface, the output end of the input unit is connected with the water pump, and the input unit is provided with a switch control module;
the first port of the processing unit is electrically connected with the second input end of the input unit;
the first output end of the feedback unit is electrically connected with the second port of the processing unit, and the first input end of the feedback unit is electrically connected with the third port of the processing unit; the input/output end of the first interface is connected with the second interface;
the switch control module is respectively connected with the first interface and the second interface.
Optionally, the interface unit further comprises a positive power supply interface and a negative power supply interface;
the positive power supply interface is electrically connected with a positive power supply terminal of the processing unit, and the negative port is electrically connected with a negative power supply terminal of the processing unit.
Optionally, the processing unit is a motor control unit.
Optionally, the input unit includes a first resistor, a second resistor, a first triode, a third resistor, a fourth resistor, a zener diode, a first capacitor, a fifth resistor, a second triode, a sixth resistor, a seventh resistor, and a second capacitor;
one end of the first resistor is electrically connected with the first port of the processing unit, and the other end of the first resistor is electrically connected with one end of the second resistor and the base electrode of the first triode;
the other end of the second resistor is electrically connected with the emitter of the first triode;
the collector of the first triode is electrically connected with one end of the third resistor, one end of the fourth resistor and one end of the zener diode;
the other end of the fourth resistor is electrically connected with one end of the first capacitor, one end of the fifth resistor and the base electrode of the second triode;
the collector of the second triode is electrically connected with one end of the sixth resistor and one end of the seventh resistor, and the other end of the seventh resistor is electrically connected with one end of the second capacitor and the first interface;
the other end of the voltage stabilizing diode is electrically connected with the other end of the first capacitor, the other end of the fifth resistor, the emitter of the second triode and the other end of the second capacitor.
Optionally, the other end of the third resistor is electrically connected to the first power supply, and the other end of the sixth resistor is electrically connected to the second power supply.
Optionally, the feedback unit includes an eighth resistor, a third triode, a fourth triode, a ninth resistor, a third capacitor, a tenth resistor, an eleventh resistor, a twelfth resistor, and a fourth capacitor;
one end of the eighth resistor is electrically connected with the collector electrode of the third triode and the base electrode of the fourth triode, the base electrode of the third triode is electrically connected with the emitter electrode of the fourth triode and one end of the ninth resistor, and the other end of the ninth resistor and the emitter electrode of the third triode are electrically connected with the ground wire;
the collector electrode of the fourth triode is electrically connected with one end of the third capacitor, one end of the tenth resistor, the emitter electrode of the first triode and the second interface; the other end of the third capacitor is electrically connected with the ground wire;
the other end of the tenth resistor is electrically connected with one end of the eleventh resistor and one end of the twelfth resistor;
the other end of the twelfth resistor is electrically connected with one end of the fourth capacitor, and the other end of the fourth capacitor and the other end of the eleventh resistor are electrically connected with the ground wire.
Optionally, the second port of the processing unit is electrically connected with one end of the fourth capacitor;
the third port of the processing unit is electrically connected with the other end of the eighth resistor.
According to the water pump communication line switching device provided by the embodiment of the utility model, the processing unit receives the indication signal sent by the feedback unit, generates the control signal to adjust the on/off of the first interface and the second interface, and realizes the switching of the three-line system and/or the four-line system with the anode and the cathode of the interface unit, so that the normal use of the water pump is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a switching device for a communication line system of a water pump according to an embodiment of the present utility model;
fig. 2 is a schematic circuit diagram of an input unit and a feedback unit in a switching device for a communication line system of a water pump according to an embodiment of the present utility model.
In the figure: 01. an interface unit; 011. a first interface; 012. a second interface; 02. an input unit; 021. a switch control module; 03. a processing unit; 04. and a feedback unit.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
The existing water pump realizes data transmission of the water pump by arranging a PWM communication module, wherein the common communication mode of the PWM communication module comprises a three-wire system and a four-wire system, and the difference is that a simplex or duplex mode is adopted between PWM feedback signals and input signals. Therefore, the normal use of the water pump is affected under the use environment that the water pump has a difference in communication line system.
Example 1
In order to solve the above problems, the present utility model provides a switching device for a water pump communication line system, as shown in fig. 1, comprising:
an interface unit 01 including a first interface 011 and a second interface 012;
the interface unit 01 also comprises a positive electrode power supply interface and a negative electrode power supply interface;
the positive power supply interface is electrically connected with a positive power supply terminal of the processing unit 03, and the negative port is electrically connected with a negative power supply terminal of the processing unit 03.
Thus, in use, the external water pump processing system uses the interface unit 01 to power the switching device, and PWM communication with the water pump is achieved through the first interface 011 and the second interface 012.
The first input end of the input unit 02 is connected with the first interface 011 and is used for being connected with an external water pump processing system to acquire a water pump PWM control signal, the output end of the input unit 02 is connected with a water pump, and the input unit 02 is provided with a switch control module 021;
a processing unit 03, a first port of which is electrically connected with a second input end of the input unit 02; the processing unit 03 is a motor control unit, such as FQ685Q.
The first output end of the feedback unit 04 is electrically connected with the second port of the processing unit 03, and the first input end of the feedback unit 04 is electrically connected with the third port of the processing unit 03; the input/output of which is connected to the second interface 012. The first interface 011 and the second interface 012 are connected to the external water pump processing system, respectively. The second interface 012 is configured to send feedback information to the water pump failure signal interface.
The switch control module 021 is connected to the first interface 011 and the second interface 012, respectively.
When the system is required to be adjusted, the switch control module 021 is used for adjusting the connection or disconnection of the first interface 011 and the second interface 012, so as to realize the selection of the three-wire system or the four-wire system.
According to the water pump communication line switching device provided by the embodiment of the utility model, the processing unit receives the indication signal sent by the feedback unit, generates the control signal to adjust the on/off of the first interface and the second interface, and realizes the switching of the three-line system and/or the four-line system with the anode and the cathode of the interface unit, so that the normal use of the water pump is ensured.
Example two
The embodiment is further refined on the basis of the above technical solution, as shown in fig. 2, the input unit includes a first resistor R1, a second resistor R2, a first triode Q1, a third resistor R3, a fourth resistor R4, a zener diode D1, a first capacitor C1, a fifth resistor R5, a second triode Q2, a sixth resistor R6, a seventh resistor R7, and a second capacitor C2;
one end of the first resistor R1 is electrically connected with the first port of the processing unit, and the other end of the first resistor R1 is electrically connected with one end of the second resistor R2 and the base electrode of the first triode Q1;
the other end of the second resistor R2 is electrically connected with the emitter of the first triode Q1;
the collector of the first triode Q1 is electrically connected with one end of a third resistor R3, one end of a fourth resistor R4 and one end of a zener diode D1;
the other end of the fourth resistor R4 is electrically connected with one end of the first capacitor C1, one end of the fifth resistor R5 and the base electrode of the second triode Q2;
the collector of the second triode Q2 is electrically connected with one end of a sixth resistor R6 and one end of a seventh resistor R7, and the other end of the seventh resistor R7 is electrically connected with one end of a second capacitor C2 and a first interface J1;
the other end of the zener diode D1 is electrically connected to the other end of the first capacitor C1, the other end of the fifth resistor R5, the emitter of the second triode Q2, and the other end of the second capacitor C2.
And the first port of the processing unit is electrically connected to the other end of the first resistor R1. The other end of the third resistor R3 is electrically connected with the first power supply U1, and the other end of the sixth resistor R6 is electrically connected with the second power supply U2.
The feedback unit comprises an eighth resistor R8, a third triode Q3, a fourth triode Q4, a ninth resistor R9, a third capacitor C3, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12 and a fourth capacitor C4;
one end of the eighth resistor R8 is electrically connected with the collector of the third triode Q3 and the base of the fourth triode Q4, the base of the third triode Q3 is electrically connected with the emitter of the fourth triode Q4 and one end of the ninth resistor R9, and the other end of the ninth resistor R9 and the emitter of the third triode Q3 are electrically connected with the ground wire;
the collector electrode of the fourth triode Q4 is electrically connected with one end of the third capacitor C3, one end of the tenth resistor R10, the emitter electrode of the first triode Q1 and the second interface J2; the other end of the third capacitor C3 is electrically connected to the ground line.
The other end of the tenth resistor R10 is electrically connected with one end of the eleventh resistor R11 and one end of the twelfth resistor R12;
the other end of the twelfth resistor R12 is electrically connected to one end of the fourth capacitor C4, and the other end of the fourth capacitor C4 and the other end of the eleventh resistor R11 are electrically connected to the ground.
The second port of the processing unit is electrically connected with one end of a fourth capacitor C4;
the third port of the processing unit is electrically connected to the other end of the eighth resistor R8.
Example III
Based on the second embodiment, the working flow of the water pump communication line switching device of the embodiment of the utility model is as follows:
the water pump switching device receives a fault feedback signal sent by an external water pump processing system through a second interface, generates an indication signal and sends the indication signal to the processing unit;
the processing unit generates a processing signal according to the indication signal, wherein the processing signal comprises a three-wire system/four-wire system selection;
if a three-wire system is selected, the first interface and the second interface are short-circuited by conducting the first triode; if the four-wire system is selected, the first interface and the second interface are disconnected by enabling the second triode to be in a non-conducting state.
The solution provided by the embodiment of the present utility model adopts the water pump communication line switching device provided by the foregoing embodiment, adopts the same technical means, achieves the same technical effects, and is not described herein again.
In the present utility model, some azimuth terms, such as "upper", "lower", "left", "right", "inner" and "outer", are defined, and unless otherwise stated, these terms are used for convenience of understanding, and thus do not limit the scope of the present utility model.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Claims (7)
1. A water pump communication line system switching device, characterized by comprising:
the interface unit comprises a first interface and a second interface;
the first input end of the input unit is connected with the first interface, the output end of the input unit is connected with the water pump, and the input unit is provided with a switch control module;
the first port of the processing unit is electrically connected with the second input end of the input unit;
the first output end of the feedback unit is electrically connected with the second port of the processing unit, and the first input end of the feedback unit is electrically connected with the third port of the processing unit; the input/output end of the first interface is connected with the second interface;
the switch control module is respectively connected with the first interface and the second interface.
2. The water pump communication line switching device of claim 1, wherein the interface unit further comprises a positive power supply interface and a negative power supply interface;
the positive power supply interface is electrically connected with a positive power supply terminal of the processing unit, and the negative port is electrically connected with a negative power supply terminal of the processing unit.
3. The water pump communication line switching device of claim 1, wherein the processing unit is a motor control unit.
4. The switching device of the water pump communication line system according to claim 1, wherein the input unit comprises a first resistor, a second resistor, a first triode, a third resistor, a fourth resistor, a zener diode, a first capacitor, a fifth resistor, a second triode, a sixth resistor, a seventh resistor and a second capacitor;
one end of the first resistor is electrically connected with the first port of the processing unit, and the other end of the first resistor is electrically connected with one end of the second resistor and the base electrode of the first triode;
the other end of the second resistor is electrically connected with the emitter of the first triode;
the collector electrode of the first triode is electrically connected with one end of the third resistor, one end of the fourth resistor and one end of the zener diode;
the other end of the fourth resistor is electrically connected with one end of the first capacitor, one end of the fifth resistor and the base electrode of the second triode;
the collector of the second triode is electrically connected with one end of the sixth resistor and one end of the seventh resistor, and the other end of the seventh resistor is electrically connected with one end of the second capacitor and the first interface;
the other end of the voltage stabilizing diode is electrically connected with the other end of the first capacitor, the other end of the fifth resistor, the emitter of the second triode and the other end of the second capacitor.
5. The switching device for a water pump communication line according to claim 4, wherein the other end of the third resistor is electrically connected to a first power source, and the other end of the sixth resistor is electrically connected to a second power source.
6. The switching device of a water pump communication line system according to claim 4, wherein the feedback unit comprises an eighth resistor, a third triode, a fourth triode, a ninth resistor, a third capacitor, a tenth resistor, an eleventh resistor, a twelfth resistor, and a fourth capacitor;
one end of the eighth resistor is electrically connected with the collector electrode of the third triode and the base electrode of the fourth triode, the base electrode of the third triode is electrically connected with the emitter electrode of the fourth triode and one end of the ninth resistor, and the other end of the ninth resistor and the emitter electrode of the third triode are electrically connected with a ground wire;
the collector electrode of the fourth triode is electrically connected with one end of the third capacitor, one end of the tenth resistor, the emitter electrode of the first triode and the second interface; the other end of the third capacitor is electrically connected with the ground wire;
the other end of the tenth resistor is electrically connected with one end of the eleventh resistor and one end of the twelfth resistor;
the other end of the twelfth resistor is electrically connected with one end of the fourth capacitor, and the other end of the fourth capacitor and the other end of the eleventh resistor are electrically connected with the ground wire.
7. The water pump communication line switching device according to claim 6, wherein the second port of the processing unit is electrically connected to one end of the fourth capacitor;
the third port of the processing unit is electrically connected with the other end of the eighth resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320589756.9U CN219888234U (en) | 2023-03-21 | 2023-03-21 | Water pump communication line system switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320589756.9U CN219888234U (en) | 2023-03-21 | 2023-03-21 | Water pump communication line system switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219888234U true CN219888234U (en) | 2023-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320589756.9U Active CN219888234U (en) | 2023-03-21 | 2023-03-21 | Water pump communication line system switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219888234U (en) |
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2023
- 2023-03-21 CN CN202320589756.9U patent/CN219888234U/en active Active
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