CN210571427U - Testing device of washing machine - Google Patents
Testing device of washing machine Download PDFInfo
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- CN210571427U CN210571427U CN201921599795.7U CN201921599795U CN210571427U CN 210571427 U CN210571427 U CN 210571427U CN 201921599795 U CN201921599795 U CN 201921599795U CN 210571427 U CN210571427 U CN 210571427U
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Abstract
The application provides a testing device of a washing machine, which comprises a first communication interface, a second communication interface, a communication protocol identification interface, a first driving interface and a load driver, wherein the first communication interface is connected with an upper computer of a split-type frequency converter and used for receiving a first testing instruction for driving the split-type frequency converter, and the second communication interface is connected with an upper computer of an integrated-type frequency converter and used for receiving a second testing instruction for driving the integrated-type frequency converter; the communication protocol identification interface identifies a corresponding communication protocol according to the short-circuit state, the first driving interface is connected with the variable frequency motor, and the load driver identifies the first test instruction and the second test instruction according to the communication protocol, generates a variable frequency motor driving signal according to an identification result, and outputs the driving signal to the first driving interface. Therefore, the technical problems that after-sale frequency converters are various in types and unstable in performance due to the fact that communication protocols and hardware circuits of different types of frequency converters are different in the prior art are solved.
Description
Technical Field
The application relates to the technical field of household appliances, in particular to a testing device of a washing machine.
Background
At present, the frequency converter of the pulsator washing machine is mainly of two types: the frequency converter comprises a split type frequency converter and a master control and frequency conversion integrated frequency converter, wherein the master control and frequency conversion integrated frequency converter integrates the split type frequency converter and a master control part together. Because the software communication protocols corresponding to the split type frequency converter and the master control and frequency conversion integrated frequency converter are different, the hardware communication circuits are also different. Therefore, different types of frequency converters need to be sold after corresponding schemes, so that the frequency converters after sale are various in types, the frequency converters after sale cannot be used universally, and the performance is unstable.
SUMMERY OF THE UTILITY MODEL
The present application is directed to solving, at least to some extent, one of the technical problems in the related art.
The application provides a washing machine's testing arrangement, has solved among the prior art communication protocol and the hardware circuit of different kinds of converters and is different, leads to after sale converter kind numerous, does not have the way general to the technical problem of unstable performance.
The embodiment of the application provides a washing machine's testing arrangement, includes:
the first communication interface is connected with an upper computer of the split type frequency converter and receives a first test instruction for driving the split type frequency converter;
the second communication interface is connected with the integrated frequency converter upper computer, and the second communication interface receives a second test instruction for driving the integrated frequency converter;
the communication protocol identification interface identifies a corresponding communication protocol according to the short-circuit state;
the first driving interface is connected with the variable frequency motor;
and the load driver is respectively connected with the first driving interface, the first communication interface, the second communication interface and the communication protocol identification interface, identifies the first test instruction and the second test instruction according to the communication protocol, generates a variable frequency motor driving signal according to the identification result and outputs the driving signal to the first driving interface.
As a first possible aspect of the present application, the testing apparatus for a washing machine further includes:
the motor identification circuit is connected with the variable frequency motor and the load driver, the motor identification circuit obtains the motor type and the motor parameter of the variable frequency motor, and the load driver generates the driving signal according to the identification result, the motor type and the motor parameter.
As a second possible aspect of the present application, the testing apparatus for a washing machine further includes:
the first relay is connected with the load driver;
and the second driving interface is connected with the first relay and is connected with a drainage pump of the washing machine.
As a third possible aspect of the present application, the testing apparatus for a washing machine further includes:
the second relay is connected with the load driver;
and the third driving interface is connected with the water inlet valve of the washing machine.
As a fourth possible aspect of the present application, the testing apparatus for a washing machine further includes:
a third relay connected to the load driver;
and the fourth driving interface is connected with the third relay and is connected with a spraying valve of the washing machine.
As a fifth possible aspect of the present application, the testing apparatus for a washing machine further includes:
a fourth relay connected to the load driver;
and the fifth driving interface is connected with the detergent control valve of the washing machine.
As a sixth possible case of the present application, the testing apparatus of a washing machine further includes:
a fifth relay connected to the load driver;
and the sixth driving interface is connected with a softener control valve of the washing machine.
As a seventh possible aspect of the present application, the testing apparatus for a washing machine further includes:
a sixth relay connected to the load driver;
and the seventh driving interface is connected with the sixth relay and is connected with a reversing valve of the washing machine.
As an eighth possible aspect of the present application, the testing apparatus for a washing machine further includes:
a seventh relay connected to the load driver;
and the eighth driving interface is connected with the seventh relay and is connected with a door lock of the washing machine.
As a ninth possible case of the present application, the testing apparatus of a washing machine further includes:
an eighth relay connected to the load driver;
and the ninth driving interface is connected with the eighth relay and is connected with a tractor of the washing machine.
The testing device of the washing machine comprises a first communication interface, a second communication interface, a communication protocol identification interface, a first driving interface and a load driver, wherein the first communication interface is connected with an upper computer of a split-type frequency converter, the first communication interface receives a first testing instruction for driving the split-type frequency converter, the second communication interface is connected with an upper computer of an integrated frequency converter, and the second communication interface receives a second testing instruction for driving the integrated frequency converter; the communication protocol recognition interface recognizes a corresponding communication protocol according to the short-circuit state, the first driving interface is connected with the variable frequency motor, the load driver is respectively connected with the first driving interface, the first communication interface, the second communication interface and the communication protocol recognition interface, the load driver recognizes the first test instruction and the second test instruction according to the communication protocol, generates a variable frequency motor driving signal according to a recognition result, and outputs the driving signal to the first driving interface. Therefore, the corresponding communication protocol is identified according to the short-circuit state through the communication protocol identification interface, the first test instruction and the second test instruction are identified according to the identified communication protocol, and the variable frequency motor driving signal is generated according to the identification result, so that the technical problems that after-sale frequency converters are various, no method is common and the performance is unstable due to the fact that the communication protocols and hardware circuits of different types of frequency converters are different in the prior art are solved.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a testing device of a first washing machine according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a testing device of a second washing machine according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a testing device of a third washing machine according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a testing device of a fourth washing machine according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a testing device of a fifth washing machine according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a testing device of a sixth washing machine according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a testing device of a seventh washing machine according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a testing device of an eighth washing machine according to an embodiment of the present application;
fig. 9 is a schematic structural diagram of a testing device of a ninth washing machine according to an embodiment of the present application;
fig. 10 is a schematic structural diagram of a testing device of a tenth washing machine according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application.
The test apparatus of the washing machine according to the embodiment of the present application will be described with reference to the accompanying drawings.
As an example, fig. 1 is a schematic structural diagram of a testing device of a first washing machine according to an embodiment of the present application.
As shown in fig. 1, the test apparatus 10 of the washing machine includes: a first communication interface 11, a second communication interface 12, a communication protocol identification interface 13, a first drive interface 14 and a load driver 15.
The first communication interface 11 is connected with the upper computer of the split type frequency converter, and the first communication interface 11 receives a first test instruction for driving the split type frequency converter.
And the second communication interface 12 is connected with the integrated frequency converter upper computer, and the second communication interface 12 receives a second test instruction for driving the integrated frequency converter.
The Variable-frequency Drive (VFD) is a power control device that applies a frequency conversion technology and a microelectronic technology and controls an ac motor by changing a frequency mode of a working power supply of the motor. The existing frequency converter comprises a split frequency converter and an integrated frequency converter integrating main control and frequency conversion.
Because the hardware communication circuit of split type converter and integral type converter exists the difference to the software communication agreement is also different, consequently, links to each other with the host computer of split type converter and integral type converter respectively through different communication interface in this application embodiment to make different communication interface receive the test instruction that the drive corresponds the converter. Specifically, the first communication interface 11 is connected with the upper computer of the split-type frequency converter, so that the first communication interface 11 receives a first test instruction for driving the split-type frequency converter, and the second communication interface 12 is connected with the upper computer of the integrated-type frequency converter, so that the second communication interface 12 receives a second test instruction for driving the integrated-type frequency converter.
And the communication protocol identification interface 13 identifies a corresponding communication protocol according to the short-circuit state.
For example, if the current status is a short-circuit status, the communication protocol identification interface 13 may identify that the current corresponding communication protocol is the communication protocol corresponding to the split type frequency converter. If the current state is the on state, the communication protocol interface 13 may identify that the current corresponding communication protocol is the communication protocol corresponding to the integrated frequency converter.
It should be noted that, in this embodiment, when the communication protocol identification interface 13 identifies the corresponding communication protocol according to the short-circuit state, there may also be a case where the current state is a short-circuit state, the communication protocol identification interface 13 identifies that the current corresponding communication protocol is the communication protocol corresponding to the integrated frequency converter, and the current state is a connection state, and the communication protocol interface 13 identifies that the current corresponding communication protocol is the communication protocol corresponding to the split frequency converter, which is not limited in this embodiment of the present application.
The first drive interface 14 is connected to a variable frequency motor.
The load driver 15 is connected to the first driving interface 14, the first communication interface 11, the second communication interface 12, and the communication protocol recognition interface 13, respectively. The load driver 15 recognizes the first test instruction and the second test instruction according to the communication protocol, generates a variable frequency motor drive signal according to the recognition result, and outputs the drive signal to the first drive interface 14.
In this embodiment, after the communication protocol identification interface 13 identifies the corresponding communication protocol according to the short-circuit state, the load driver 15 identifies the first test instruction and the second test instruction according to the communication protocol, generates a driving signal of the variable frequency motor according to the identification result, and outputs the driving signal to the first driving interface 14 to drive the corresponding frequency converter.
For example, after the communication protocol identification interface 13 identifies that the current corresponding communication protocol is the communication protocol corresponding to the integrated frequency converter according to the short-circuit state, the load driver 15 identifies the second test instruction according to the communication protocol corresponding to the integrated frequency converter, generates a variable frequency motor driving signal according to the identification result, and outputs the driving signal to the first driving interface 14 to drive the integrated frequency converter to operate.
The testing device of the washing machine comprises a first communication interface, a second communication interface, a communication protocol identification interface, a first driving interface and a load driver, wherein the first communication interface is connected with an upper computer of a split-type frequency converter, the first communication interface receives a first testing instruction for driving the split-type frequency converter, the second communication interface is connected with an upper computer of an integrated frequency converter, and the second communication interface receives a second testing instruction for driving the integrated frequency converter; the communication protocol recognition interface recognizes a corresponding communication protocol according to the short-circuit state, the first driving interface is connected with the variable frequency motor, the load driver is respectively connected with the first driving interface, the first communication interface, the second communication interface and the communication protocol recognition interface, the load driver recognizes the first test instruction and the second test instruction according to the communication protocol, generates a variable frequency motor driving signal according to a recognition result, and outputs the driving signal to the first driving interface. Therefore, the corresponding communication protocol is identified according to the short-circuit state through the communication protocol identification interface, the first test instruction and the second test instruction are identified according to the identified communication protocol, and the variable frequency motor driving signal is generated according to the identification result, so that the technical problems that after-sale frequency converters are various, no method is common and the performance is unstable due to the fact that the communication protocols and hardware circuits of different types of frequency converters are different in the prior art are solved.
On the basis of the above embodiments, referring to fig. 2, fig. 2 is a schematic structural diagram of a testing device of a second washing machine according to an embodiment of the present application.
As shown in fig. 2, the testing apparatus 10 of the washing machine further includes: a motor identification circuit 16.
The motor identification circuit 16 is connected with the variable frequency motor and the load driver, the motor identification circuit 16 obtains the motor type and the motor parameter of the variable frequency motor, and the load driver 15 generates a driving signal according to the identification result, the motor type and the motor parameter.
As a possible scenario, the motor identification circuit 16 is connected to a motor identification resistor of the inverter motor, and the motor type and the motor parameters of the inverter motor are determined by the motor identification resistor. After the communication protocol identification interface 13 identifies the corresponding communication protocol according to the short-circuit state according to the communication protocol identification interface, the load driver 15 identifies the test instruction according to the identified communication protocol to determine whether the test instruction corresponding to the identified communication protocol is the first test instruction of the split-type frequency converter received by the first communication interface or the second test instruction of the integrated frequency converter received by the second communication interface. Further, the load driver 15 generates a driving signal of the variable frequency motor according to the identification result and the motor type and the motor parameter of the variable frequency motor acquired by the motor identification circuit 16, and outputs the driving signal to the first driving interface 14, so as to realize driving control of the corresponding motor.
Therefore, the motor type and the motor parameter of the variable frequency motor can be obtained through the motor identification circuit 16, so that the load driver can generate a corresponding driving signal according to the motor type and the motor parameter of the variable frequency motor, and the general performance of the after-sale frequency converter is improved.
On the basis of the above embodiments, referring to fig. 3, fig. 3 is a schematic structural diagram of a testing device of a third washing machine according to an embodiment of the present application.
As shown in fig. 3, the testing apparatus 10 of the washing machine further includes: a first relay 17 and a second drive interface 18 connected to the first relay.
Wherein the first relay 17 is connected to the load driver 15 and the second drive interface 18 is connected to the drain pump of the washing machine.
In the embodiment of the present application, the load driver 15 controls the on and off of the first relay 17, and the second driving interface 18 obtains the on state of the first relay 17 and then correspondingly controls the drainage pump of the washing machine.
For example, the load driver 15 controls the first relay 17 to be turned on, so that the first relay 17 is in an on state, and after the second driving interface 18 acquires that the first relay 17 is in the on state, the second driving interface 18 controls the drainage pump of the washing machine to be turned on, so as to drain the washing tub. Thereby, the drain pump is driven by the load driver to realize the control of the drain pump.
On the basis of the above embodiment, referring to fig. 4, fig. 4 is a schematic structural diagram of a testing device of a fourth washing machine according to an embodiment of the present application.
As shown in fig. 4, the testing apparatus 10 of the washing machine further includes: a second relay 19 and a third drive interface 20 connected to the second relay.
Wherein the second relay 19 is connected to the load driver 15 and the third drive interface 20 is connected to the inlet valve of the washing machine.
In the embodiment of the present application, the second relay 19 is connected to the load driver 15, so that the load driver 15 controls the second relay 19 to be turned on and off, and further the third driving interface 20 correspondingly controls the water inlet valve of the washing machine according to the on state of the second relay 19. Therefore, the water inlet valve of the washing machine is driven by the load driver so as to control the water inlet valve.
For example, the load driver 15 controls the second relay 19 to be in an open state, and the third driving interface 20 controls the water inlet valve of the washing machine to be opened according to the switch state of the second relay 19, so as to realize the water inlet operation of the washing tub.
On the basis of the above embodiments, referring to fig. 5, fig. 5 is a schematic structural diagram of a testing device of a fifth washing machine according to an embodiment of the present application.
As shown in fig. 5, the testing apparatus 10 of the washing machine further includes: a third relay 21 and a fourth drive interface 22 connected to the third relay.
Wherein the third relay 21 is connected to the load driver 15 and the fourth drive interface 22 is connected to a shower valve of the washing machine.
In the embodiment of the present application, the third relay 21 is connected to the load driver 15, so that the load driver 15 controls the third relay 21 to be turned on and off, and further the fourth driving interface 22 correspondingly controls the spray valve of the washing machine according to the on state of the third relay 21. Therefore, the spraying valve of the washing machine is driven by the load driver to control the spraying valve.
For example, the load driver 15 controls the third relay 21 to be in an on state, and the fourth driving interface 22 controls the spray valve of the washing machine to be opened according to the on-off state of the third relay 21, so as to perform a spraying operation on the laundry in the washing tub.
On the basis of the above embodiments, referring to fig. 6, fig. 6 is a schematic structural diagram of a testing device of a sixth washing machine according to an embodiment of the present application.
As shown in fig. 6, the testing apparatus 10 of the washing machine further includes: a fourth relay 23 and a fifth drive interface 24 connected to the fourth relay.
Wherein the fourth relay 23 is connected to the load driver 15 and the fifth driving interface 24 is connected to a detergent control valve of the washing machine.
In the embodiment of the present application, the load driver 15 is connected to the fourth relay 23, so that the load driver 15 controls the fourth relay 23 to be turned on and off, and further the fifth driving interface 24 correspondingly controls the detergent control valve of the washing machine according to the on-off state of the fourth relay 23. Therefore, the control of the detergent control valve is realized by driving the detergent control valve of the washing machine through the load driver.
For example, the load driver 15 controls the fourth relay 23 to be in an on state, and the fifth driving interface 24 controls a detergent control valve of the washing machine to be opened according to the on-off state of the fourth relay 23, so as to control the detergent chamber.
On the basis of the above embodiments, referring to fig. 7, fig. 7 is a schematic structural diagram of a testing device of a seventh washing machine according to an embodiment of the present application.
As shown in fig. 7, the testing apparatus 10 of the washing machine further includes: a fifth relay 25 and a sixth drive interface 26 connected to the fifth relay 25.
Wherein the fifth relay 25 is connected to the load driver 15, and the sixth driving interface 26 is connected to a softener control valve of the washing machine.
In the embodiment of the present application, the load driver 15 is connected to the fifth relay 25, so that the load driver 15 controls the fifth relay 25 to be turned on and off, and further the sixth driving interface 26 correspondingly controls the softener control valve of the washing machine according to the on-off state of the fifth relay 25. Therefore, the control of the softener control valve is realized by driving the softener control valve of the washing machine through the load driver.
For example, in the laundry washing process, when the softener needs to be added into the washing tub, the load driver 15 controls the fifth relay 25 to be in the open state, and the sixth driving interface 26 controls the softener control valve of the washing machine to be opened according to the on-off state of the fifth relay 24, so as to control the softener control valve.
On the basis of the above embodiment, referring to fig. 8, fig. 8 is a schematic structural diagram of a testing device of an eighth washing machine according to an embodiment of the present application.
As shown in fig. 8, the testing apparatus 10 of the washing machine further includes: a sixth relay 27 and a seventh drive interface 28 connected to the sixth relay 27.
Wherein the sixth relay 27 is connected to the load driver 15 and the seventh drive interface 28 is connected to a reversing valve of the washing machine. The reversing valve is a directional control valve with more than two flow forms and more than two oil ports. For example, when the reversing interface of the reversing valve of the washing machine is respectively connected with the drain pipe and the spray pipe, the reversing valve of the washing machine can be controlled to realize the function of draining water up and down.
In the embodiment of the present application, the load driver 15 is connected to the sixth relay 27, so that the load driver 15 controls the sixth relay 27 to be turned on and off, and further the seventh driving interface 28 correspondingly controls the reversing valve of the washing machine according to the on-off state of the sixth relay 27. Therefore, the reversing valve of the washing machine is driven by the load driver to control the reversing valve.
On the basis of the above embodiments, referring to fig. 9, fig. 9 is a schematic structural diagram of a testing device of a ninth washing machine according to an embodiment of the present application.
As shown in fig. 9, the testing apparatus 10 of the washing machine further includes: a seventh relay 29 and an eighth drive interface 30 connected to the seventh relay 29.
Wherein the seventh relay 29 is connected to the load driver 15 and the eighth driving interface 30 is connected to the door lock of the washing machine.
In the embodiment of the present application, the load driver 15 is connected to the seventh relay 29, and the load driver 15 controls the seventh relay 29 to open and close, so that the eighth driving interface 30 correspondingly controls the door lock of the washing machine according to the on-off state of the seventh relay 29. Therefore, the door lock of the washing machine is driven by the load driver, so that the door lock of the washing machine is controlled.
For example, after a user places laundry in a washing tub, in order to prevent children from being injured by unlocking a door of the washing machine during washing, the door of the washing machine needs to be controlled to be closed during washing. In this case, the opening of the seventh relay 29 may be controlled by the load driver 15, so that the eighth driving interface 30 controls the washing machine door lock to be closed according to the opened state of the seventh relay 29.
On the basis of the above embodiment, referring to fig. 10, fig. 10 is a schematic structural diagram of a testing device of a tenth washing machine according to an embodiment of the present application.
As shown in fig. 10, the testing apparatus 10 of the washing machine further includes: an eighth relay 31 and a ninth drive interface 32 connected to the eighth relay 31.
Wherein the eighth relay 31 is connected to the load driver 15 and the ninth driving interface 32 is connected to the tractor of the washing machine.
The tractor of the washing machine is mainly used for activating the clutch to enable the inner cylinder and the outer cylinder of the washing machine to be combined for dehydration and to pull open the drain valve. When the control circuit board of the washing machine sends out a drainage (or spin-drying) instruction, the traction motor and the anti-reverse electromagnet in the tractor are simultaneously electrified to work, the traction motor rolls steel wires (or racks) into the tractor through the gear set, the steel wires draw the drain valve to drain water, and the ratchet wheel and the pawl which are composed of clutches with washing and spin-drying functions are separated through the mechanical linkage mechanism (the spin-drying barrel locking device is loosened), so that preparation is made for the synchronous rotation of the impeller and the inner barrel during the next spin-drying.
In the embodiment of the present application, the load driver 15 is connected to the eighth relay 31, and the load driver 15 controls the eighth relay 30 to be turned on or off, so that the ninth driving interface 32 controls the retractor of the washing machine according to the on/off state of the eighth relay 30. Therefore, the tractor of the washing machine is driven by the load driver, so that the control of the tractor of the washing machine is realized.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
Claims (10)
1. A testing device of a washing machine, characterized by comprising:
the first communication interface is connected with an upper computer of the split type frequency converter and receives a first test instruction for driving the split type frequency converter;
the second communication interface is connected with the integrated frequency converter upper computer and receives a second test instruction for driving the integrated frequency converter;
the communication protocol identification interface identifies a corresponding communication protocol according to the short-circuit state;
the first driving interface is connected with the variable frequency motor;
and the load driver is respectively connected with the first driving interface, the first communication interface, the second communication interface and the communication protocol identification interface, identifies the first test instruction and the second test instruction according to the communication protocol, generates a variable frequency motor driving signal according to the identification result and outputs the driving signal to the first driving interface.
2. The test device of a washing machine as claimed in claim 1, further comprising:
the motor identification circuit is connected with the variable frequency motor and the load driver, the motor identification circuit obtains the motor type and the motor parameter of the variable frequency motor, and the load driver generates the driving signal according to the identification result, the motor type and the motor parameter.
3. The test device of a washing machine as claimed in claim 1, further comprising:
the first relay is connected with the load driver;
and the second driving interface is connected with the first relay and is connected with a drainage pump of the washing machine.
4. The test device of a washing machine as claimed in claim 1, further comprising:
the second relay is connected with the load driver;
and the third driving interface is connected with the water inlet valve of the washing machine.
5. The test device of a washing machine as claimed in claim 1, further comprising:
a third relay connected to the load driver;
and the fourth driving interface is connected with the third relay and is connected with a spraying valve of the washing machine.
6. The test device of a washing machine as claimed in claim 1, further comprising:
a fourth relay connected to the load driver;
and the fifth driving interface is connected with the detergent control valve of the washing machine.
7. The test device of a washing machine as claimed in claim 1, further comprising:
a fifth relay connected to the load driver;
and the sixth driving interface is connected with a softener control valve of the washing machine.
8. The test device of a washing machine as claimed in claim 1, further comprising:
a sixth relay connected to the load driver;
and the seventh driving interface is connected with the sixth relay and is connected with a reversing valve of the washing machine.
9. The test device of a washing machine as claimed in claim 1, further comprising:
a seventh relay connected to the load driver;
and the eighth driving interface is connected with the seventh relay and is connected with a door lock of the washing machine.
10. The test device of a washing machine as claimed in claim 1, further comprising:
an eighth relay connected to the load driver;
and the ninth driving interface is connected with the eighth relay and is connected with a tractor of the washing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921599795.7U CN210571427U (en) | 2019-09-24 | 2019-09-24 | Testing device of washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921599795.7U CN210571427U (en) | 2019-09-24 | 2019-09-24 | Testing device of washing machine |
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| CN210571427U true CN210571427U (en) | 2020-05-19 |
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| CN201921599795.7U Active CN210571427U (en) | 2019-09-24 | 2019-09-24 | Testing device of washing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162488A (en) * | 2020-09-15 | 2021-01-01 | 无锡飞翎电子有限公司 | Control method and device, variable-frequency household appliance and storage medium |
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2019
- 2019-09-24 CN CN201921599795.7U patent/CN210571427U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162488A (en) * | 2020-09-15 | 2021-01-01 | 无锡飞翎电子有限公司 | Control method and device, variable-frequency household appliance and storage medium |
| CN112162488B (en) * | 2020-09-15 | 2023-09-05 | 无锡飞翎电子有限公司 | Control method and device, variable frequency household appliance and storage medium |
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