CN211347367U - Service life detector for water inlet valve of washing machine - Google Patents
Service life detector for water inlet valve of washing machine Download PDFInfo
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- CN211347367U CN211347367U CN201922401422.0U CN201922401422U CN211347367U CN 211347367 U CN211347367 U CN 211347367U CN 201922401422 U CN201922401422 U CN 201922401422U CN 211347367 U CN211347367 U CN 211347367U
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- water inlet
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Abstract
The utility model aims at providing a washing machine water intaking valve life-span detection device, include: the device comprises a water pool, a pressurized water supply pump, a water pipe, a controller, a support frame, a water inlet valve support device, a photoelectric sensor, a display, an alarm and a power supply device; the pressurized water supply pump is arranged in the water pool, a water inlet at the bottom of the pressurized water supply pump is arranged below the liquid level, and a water outlet at the top of the pressurized water supply pump is connected with one end of the water pipe; the support frame is arranged on the pool wall at one side of the pool, and the water inlet valve support device is arranged on the support frame; the water inlet valve is arranged on the water inlet valve supporting device, and a water inlet of the water inlet valve is connected with the water pipe; the photoelectric sensor supporting device is arranged on one side of the supporting frame close to the middle part of the water pool and is positioned right below the water outlet of the water inlet valve; the photoelectric sensor is arranged on the photoelectric sensor supporting device, and the detection range of the photoelectric sensor is positioned right below the water outlet of the water inlet valve. The testing device overcomes the defects of the prior art and has the characteristics of high detection efficiency and high accuracy.
Description
Technical Field
The utility model relates to a washing machine makes detection area, concretely relates to washing machine water intaking valve life-span detection device.
Background
The existing washing machine water inlet valve test adopts a manual test or equipment test mode, for the manual test mode, testers need to select various test tools to test the flow of the water inlet valve, and then select other various test tools to test the pressure resistance condition of the water inlet valve, so that the test process is complicated, and the test efficiency is low; for the equipment testing mode, parameters such as voltage, current and the like in the working process of the water inlet valve are generally tested; the above methods have the defects of low efficiency and incomplete detection aiming at the service life detection of the water inlet valve of the washing machine, so the method has certain market prospect aiming at the research and development of a high-efficiency and comprehensive device for the service life detection of the water inlet valve of the washing machine.
Disclosure of Invention
The utility model aims at providing a washing machine water intaking valve life-span detection device, this testing arrangement overcome prior art's defect, have detection efficiency height, the high characteristics of rate of accuracy.
The technical scheme of the utility model as follows:
a service life testing device for an inlet valve of a washing machine comprises: the device comprises a water pool, a pressurized water supply pump, a water pipe, a controller, a support frame, a water inlet valve support device, a photoelectric sensor, a display, an alarm, a water inlet valve and a power supply device;
the pressurized water supply pump is arranged in the water pool, a water inlet at the bottom of the pressurized water supply pump is arranged below the liquid level, a water outlet at the top of the pressurized water supply pump is connected with one end of the water pipe, and the other end of the water pipe extends upwards; the support frame is arranged on the wall of the water pool on one side of the water pool, the top of the support frame is provided with a horizontal top plate with the front end extending to the middle part of the water pool, and the water inlet valve support device is arranged on the front end of the upper surface of the horizontal top plate; the water inlet valve is arranged on the water inlet valve supporting device, a water inlet of the water inlet valve is connected with the water pipe, and a water outlet of the water inlet valve extends out of the front end of the horizontal top plate and is positioned above the water pool; the photoelectric sensor is arranged on the side wall of the front end of the horizontal top plate and is positioned below the water inlet valve, and the detection part of the photoelectric sensor is arranged at a position corresponding to the lower part of the water outlet of the water inlet valve and is used for detecting the water flow flowing out of the water outlet of the water inlet valve;
the power supply device supplies power to the pressurizing water supply pump, the water inlet valve, the photoelectric sensor, the display, the alarm and the controller; the pressurizing water supply pump, the water inlet valve, the photoelectric sensor, the display and the alarm are all electrically connected with the controller; the controller is used for controlling the opening and closing of the pressurizing water supply pump and the water inlet valve according to a preset time period, and the photoelectric sensor is used for detecting the light state right below the water outlet of the water inlet valve and sending a detected photoelectric signal to the controller; when the water is discharged by the water inlet valve, the photoelectric sensor detects that the light state changes, and sends a changed photoelectric signal to the controller; the controller judges according to the received detection signal, and when the water inlet valve is judged to finish one opening and closing work, a counter arranged in the controller is increased by one, and a signal of the counter is sent to the display to be displayed; when the water inlet valve is judged to be in fault, the controller sends an alarm signal to the alarm, and the alarm completes the alarm.
Preferably, the photoelectric sensor comprises a connecting rod, a U-shaped frame and a sensor, the connecting rod is arranged in the horizontal direction, one end of the connecting rod is connected with the side part of the horizontal top plate, the other end of the connecting rod is connected with the U-shaped frame, and an opening of the U-shaped frame is positioned right below a water outlet of the water inlet valve; the transmitting end and the receiving end of the sensor are respectively arranged on the inner sides of the two ends of the U-shaped frame, and the transmitting end and the receiving end are oppositely arranged.
Preferably, the water pipe include water pipe I, water pipe II, water pipe III, water pipe I be vertical orientation setting, the lower extreme and the pressurization working shaft intercommunication of water pipe I, the upper end upwards extends, water pipe II be the horizontal direction setting, highly be higher than water intaking valve strutting arrangement of water pipe II, the middle part of water pipe II and the upper end intercommunication of water pipe I, water pipe III be the horizontal direction setting, one end and water pipe II intercommunication, the other end extends to the pond middle part, with water intaking valve intercommunication.
Preferably, the water inlet valve support device further comprises a support rod, the display is arranged on the water inlet valve support device through the support rod, and the alarm is arranged at the top of the display.
Preferably, the water inlet valve limiting device further comprises a limiting buckle, the limiting buckle is U-shaped, the limiting buckle is arranged on the water inlet valve supporting device, and the U-shaped groove of the limiting buckle is in contact with the top surface and the side surface of the water inlet valve and used for limiting the water inlet valve.
Preferably, the controller is a combination of a single chip microcomputer with the model number of SC92F7446B and a ULN2003 high-voltage transistor.
Preferably, the type of the sensor is ITR 20001/T.
Preferably, the display is made of a 2-bit co-solar nixie tube with model number 5621 BH.
Preferably, the alarm is a buzzer and an LED lamp with the model number WY 2311.
The working process of the utility model is as follows:
installing a water inlet valve of the washing machine to be detected on a water inlet valve supporting device, fixing the water inlet valve through a limiting buckle, and communicating the inlet water of the water inlet valve with a water pipe; the controller controls the photoelectric sensor to be started, and the photoelectric sensor continuously sends the received photoelectric signal to the controller; the controller controls the pressurized water supply pump to be started, then controls the water inlet valve to be started, when the duration of the starting of the water inlet valve reaches a preset water outlet time delay, the controller controls the water inlet valve to be closed, and when the duration of the closing of the water inlet valve reaches a preset closing time delay, the controller controls the water inlet valve to be opened again to form the opening and closing circulation of the water inlet valve;
in the above process, the controller continuously receives the photoelectric signal sent by the photoelectric sensor:
if the photoelectric signal changes within the preset detection time delay after the controller controls the water inlet valve to be opened, and the photoelectric signal changes again within the preset detection time delay after the controller controls the water inlet valve to be closed, a counter arranged in the controller is increased by one, and the signal of the counter is sent to a display for displaying;
if the photoelectric signal does not change within the preset detection time delay after the controller controls the water inlet valve to be opened, or the photoelectric signal does not change within the preset detection time delay after the controller controls the water inlet valve to be closed, the controller sends an alarm signal to an alarm to give an alarm, and simultaneously stops the execution of the subsequent opening and closing cycle of the water inlet valve;
the water outlet time delay, the closing time delay and the detection time delay can be set by a user according to actual conditions, and the setting principle is that the time delays are ensured to be larger than corresponding reaction time when the water inlet valve works normally, and the corresponding normal working process of the water inlet valve is avoided being preceded by detection and judgment.
The utility model discloses water intaking valve life-span detection device adopts the combination of support frame and photoelectric sensor, builds the basis that water intaking valve life-span detected through the support frame, combines photoelectric sensor to carry out the auxiliary judgement to the operating condition of water intaking valve, can detect the multiple trouble that the water intaking valve probably appears, include that open and do not have water discharge when the water intaking valve and close and the drainage does not stop two kinds of water intaking valve trouble when the water intaking valve, realized that washing machine water intaking valve is comprehensive life-span detects, stability and accuracy are higher; the photoelectric sensor is installed through the U-shaped frame, so that the detection of water flow below the water outlet of the water inlet valve is realized, and the detection precision is higher by adopting the opposite-emitting photoelectric sensor; the horizontally arranged water pipe II structure covers the range of one side of the water pool, and a plurality of groups of water inlet valve detection devices can be installed, so that the space utilization rate is improved; through the combination of a counter and a display arranged in the controller, the actual test service life of the current water inlet valve can be displayed, and data support is provided for qualification judgment and subsequent research and development improvement; the display and the alarm are arranged on the water inlet valve fixing device through the supporting rod, so that the display or alarm efficiency and the intuition are improved, and an operator can find out the fault of the water inlet valve in time.
Drawings
FIG. 1 is a schematic structural view of a service life detection device for an inlet valve of a washing machine according to the present invention;
FIG. 2 is a block diagram of the service life detection device for the inlet valve of the washing machine according to the present invention;
FIG. 3 is a circuit diagram of a controller of the service life detection device for the inlet valve of the washing machine according to the present invention;
FIG. 4 is a circuit diagram of a power supply device, a water inlet valve and a pressurized water supply pump of the service life detection device for the water inlet valve of the washing machine provided by the present invention;
FIG. 5 is a circuit diagram of a photoelectric sensor of the service life detection device for the inlet valve of the washing machine provided by the present invention;
FIG. 6 is a circuit diagram of an alarm of the service life detection device for the inlet valve of the washing machine provided by the present invention;
FIG. 7 is a circuit diagram of a display of the service life detection device for the inlet valve of the washing machine according to the present invention;
the names and serial numbers of the parts in the figure are as follows:
the device comprises a water pool 1, a pressurized water supply pump 2, a water pipe 3, a support frame 4, a water inlet valve support device 5, a photoelectric sensor 6, a display 7, an alarm 8, a water inlet valve 9, a horizontal top plate 10, a connecting rod 11, a U-shaped frame 12, a sensor 13, a water pipe I14, a water pipe II 15, a water pipe III 16, a support rod 17 and a limit buckle 18.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1 to 7, the service life testing apparatus for a water inlet valve of a washing machine provided by the embodiment includes: the device comprises a water pool 1, a pressurized water supply pump 2, a water pipe 3, a controller, a support frame 4, a water inlet valve support device 5, a photoelectric sensor 6, a display 7, an alarm 8, a water inlet valve 9 and a power supply device;
the pressurized water supply pump 2 is arranged in the water pool 1, a water inlet at the bottom of the pressurized water supply pump 2 is arranged below the liquid level, a water outlet at the top of the pressurized water supply pump is connected with one end of the water pipe 3, and the other end of the water pipe 3 extends upwards; the support frame 4 is arranged on the wall of the pool on one side of the pool 1, the top of the support frame is provided with a horizontal top plate 10 of which the front end extends to the middle part of the pool 1, and the water inlet valve support device 5 is arranged on the front end of the upper surface of the horizontal top plate 10; the water inlet valve 9 is arranged on the water inlet valve supporting device 5, the water inlet of the water inlet valve 9 is connected with the water pipe 3, and the water outlet of the water inlet valve 9 extends out of the front end of the horizontal top plate 10 and is positioned above the water pool 1; the photoelectric sensor 6 is arranged on the side wall of the front end of the horizontal top plate 10 and is positioned below the water inlet valve 9, and the detection part of the photoelectric sensor is arranged at a position corresponding to the lower part of the water outlet of the water inlet valve 9 and is used for detecting the water flow flowing out of the water outlet of the water inlet valve 9;
the power supply device supplies power to the pressurizing water supply pump 2, the water inlet valve 9, the photoelectric sensor 6, the display 7, the alarm 8 and the controller; the pressurizing water supply pump 2, the water inlet valve 9, the photoelectric sensor 6, the display 7 and the alarm 8 are all electrically connected with the controller; the controller is used for controlling the opening and closing of the pressurizing water supply pump 2 and the water inlet valve 9 according to a preset time period, and the photoelectric sensor 6 is used for detecting the light state right below the water outlet of the water inlet valve 9 and sending the detected photoelectric signal to the controller; when the water is discharged by the water inlet valve 9, the photoelectric sensor 6 detects that the light state changes, and sends a changed photoelectric signal to the controller; the controller judges according to the received detection signal, when the water inlet valve 9 is judged to finish one opening and closing work, a counter arranged in the controller is increased by one, and a signal of the counter is sent to the display 7 to be displayed; when the water inlet valve 9 is judged to be in fault, the controller sends an alarm signal to the alarm 8, and the alarm 8 gives an alarm;
the photoelectric sensor 6 comprises a connecting rod 11, a U-shaped frame 12 and a sensor 13, wherein the connecting rod 11 is arranged in the horizontal direction, one end of the connecting rod 11 is connected with the side part of the horizontal top plate 10, the other end of the connecting rod is connected with the U-shaped frame 12, and an opening of the U-shaped frame 12 is positioned right below a water outlet of the water inlet valve 9; the transmitting end and the receiving end of the sensor 13 are respectively arranged at the inner sides of the two ends of the U-shaped frame 12, and the transmitting end and the receiving end are oppositely arranged;
the water pipe 3 comprises a water pipe I14, a water pipe II 15 and a water pipe III 16, the water pipe I14 is arranged in the vertical direction, the lower end of the water pipe I14 is communicated with the pressurizing water supply pump 2, the upper end of the water pipe I14 extends upwards, the water pipe II 15 is arranged in the horizontal direction, the height of the water pipe II 15 is higher than that of the water inlet valve supporting device 5, the middle of the water pipe II 15 is communicated with the upper end of the water pipe I14, the water pipe III 16 is arranged in the horizontal direction, one end of the water pipe III is communicated with the water pipe II 15, the other end of the water pipe III extends towards the middle;
the water inlet valve support device is characterized by further comprising a support rod 17, the display 7 is arranged on the water inlet valve support device 5 through the support rod 17, and the alarm 8 is arranged at the top of the display 7;
the water inlet valve support device is characterized by further comprising a limiting buckle 18, wherein the limiting buckle 18 is U-shaped, the limiting buckle 18 is arranged on the water inlet valve support device 5, and the U-shaped groove of the limiting buckle 18 is in contact with the top surface and the side surface of the water inlet valve 9 and is used for limiting the water inlet valve 9;
the controller is a combination of a single chip microcomputer with the model number of SC92F7446B and a ULN2003 high-voltage transistor;
the type of the sensor 6 is ITR 20001/T;
the display 7 is made of a 2-bit co-anode nixie tube with the model number of 5621 BH;
the alarm 8 is a buzzer and an LED lamp with the model number WY 2311.
The working process of the embodiment is as follows:
installing a water inlet valve of the washing machine to be detected on a water inlet valve supporting device, fixing the water inlet valve through a limiting buckle, and communicating the inlet water of the water inlet valve with a water pipe; the controller controls the photoelectric sensor to be started, and the photoelectric sensor continuously sends the received photoelectric signal to the controller; the controller controls the pressurized water supply pump to be started, then controls the water inlet valve to be started, when the duration of the starting of the water inlet valve reaches a preset water outlet time delay, the controller controls the water inlet valve to be closed, and when the duration of the closing of the water inlet valve reaches a preset closing time delay, the controller controls the water inlet valve to be opened again to form the opening and closing circulation of the water inlet valve;
in the above process, the controller continuously receives the photoelectric signal sent by the photoelectric sensor:
if the photoelectric signal changes within the preset detection time delay after the controller controls the water inlet valve to be opened, and the photoelectric signal changes again within the preset detection time delay after the controller controls the water inlet valve to be closed, a counter arranged in the controller is increased by one, and the signal of the counter is sent to a display for displaying;
if the photoelectric signal does not change within the preset detection time delay after the controller controls the water inlet valve to be opened, or the photoelectric signal does not change within the preset detection time delay after the controller controls the water inlet valve to be closed, the controller sends an alarm signal to an alarm to give an alarm, and simultaneously stops the execution of the subsequent opening and closing cycle of the water inlet valve;
the water outlet time delay, the closing time delay and the detection time delay can be set by a user according to actual conditions, and the setting principle is that the time delays are ensured to be larger than corresponding reaction time of the water inlet valve in normal work, the corresponding normal work flow of the water inlet valve is avoided being preceded by detection and judgment, the water outlet time delay and the closing time delay are set to be 5s, and the detection time delay is set to be 4 s.
Claims (9)
1. A service life detection device for a water inlet valve of a washing machine is characterized by comprising: the device comprises a water pool (1), a pressurizing water supply pump (2), a water pipe (3), a controller, a support frame (4), a water inlet valve support device (5), a photoelectric sensor (6), a display (7), an alarm (8), a water inlet valve (9) and a power supply device;
the pressurized water supply pump (2) is arranged in the water pool (1), a water inlet at the bottom of the pressurized water supply pump (2) is arranged below the liquid level, a water outlet at the top of the pressurized water supply pump is connected with one end of the water pipe (3), and the other end of the water pipe (3) extends upwards; the support frame (4) is arranged on the wall of one side of the water pool (1), the top of the support frame is provided with a horizontal top plate (10) with the front end extending to the middle part of the water pool (1), and the water inlet valve support device (5) is arranged on the front end of the upper surface of the horizontal top plate (10); the water inlet valve (9) is arranged on the water inlet valve supporting device (5), the water inlet of the water inlet valve (9) is connected with the water pipe (3), and the water outlet of the water inlet valve (9) extends out of the front end of the horizontal top plate (10) and is positioned above the water pool (1); the photoelectric sensor (6) is arranged on the side wall of the front end of the horizontal top plate (10) and is positioned below the water inlet valve (9), and a detection part of the photoelectric sensor is arranged at a position corresponding to the lower part of the water outlet of the water inlet valve (9) and is used for detecting the water flow flowing out of the water outlet of the water inlet valve (9);
the power supply device supplies power to the pressurizing water supply pump (2), the water inlet valve (9), the photoelectric sensor (6), the display (7), the alarm (8) and the controller; the pressurizing water supply pump (2), the water inlet valve (9), the photoelectric sensor (6), the display (7) and the alarm (8) are all electrically connected with the controller; the controller is used for controlling the opening and closing of the pressurizing water supply pump (2) and the water inlet valve (9) according to a preset time period, and the photoelectric sensor (6) is used for detecting the light state right below the water outlet of the water inlet valve (9) and sending a detected photoelectric signal to the controller; when the water inlet valve (9) drains water, the photoelectric sensor (6) detects that the light state changes, and sends a changed photoelectric signal to the controller; the controller judges according to the received detection signal, when the water inlet valve (9) is judged to finish one opening and closing work, a counter arranged in the controller is increased by one, and a signal of the counter is sent to the display (7) for displaying; when the water inlet valve (9) is judged to be in fault, the controller sends an alarm signal to the alarm (8), and the alarm (8) gives an alarm.
2. The service life detecting device of a water inlet valve of a washing machine as claimed in claim 1, wherein:
the photoelectric sensor (6) comprises a connecting rod (11), a U-shaped frame (12) and a sensor (13), wherein the connecting rod (11) is arranged in the horizontal direction, one end of the connecting rod is connected with the side part of the horizontal top plate (10), the other end of the connecting rod is connected with the U-shaped frame (12), and an opening of the U-shaped frame (12) is positioned right below a water outlet of the water inlet valve (9); the transmitting end and the receiving end of the sensor (13) are respectively arranged on the inner sides of the two ends of the U-shaped frame (12), and the transmitting end and the receiving end are oppositely arranged.
3. The service life detecting device of a water inlet valve of a washing machine as claimed in claim 1, wherein:
water pipe (3) including water pipe I (14), water pipe II (15), water pipe III (16), water pipe I (14) be vertical orientation setting, the lower extreme and pressurization working shaft (2) the intercommunication of water pipe I (14), the upper end upwards extends, water pipe II (15) be the horizontal direction setting, highly being higher than water intaking valve strutting arrangement (5) of water pipe II (15), the middle part of water pipe II (15) and the upper end intercommunication of water pipe I (14), water pipe III (16) be the horizontal direction setting, one end and water pipe II (15) intercommunication, the other end extends to pond (1) middle part, communicates with water intaking valve (9).
4. The service life detecting device of a water inlet valve of a washing machine as claimed in claim 1, wherein:
the water inlet valve is characterized by further comprising a supporting rod (17), the display (7) is arranged on the water inlet valve supporting device (5) through the supporting rod (17), and the alarm (8) is arranged at the top of the display (7).
5. The service life detecting device of a water inlet valve of a washing machine as claimed in claim 1, wherein:
the water inlet valve limiting device is characterized by further comprising a limiting buckle (18), the limiting buckle (18) is U-shaped, the limiting buckle (18) is arranged on the water inlet valve supporting device (5), and the U-shaped groove of the limiting buckle (18) is in contact with the top surface and the side surface of the water inlet valve (9) and used for limiting the water inlet valve (9).
6. The service life detecting device of a water inlet valve of a washing machine as claimed in claim 1, wherein:
the controller is a combination of a single chip microcomputer with the model number of SC92F7446B and a ULN2003 high-voltage transistor.
7. The service life detecting device of a water inlet valve of a washing machine as claimed in claim 2, wherein:
the type of the sensor (13) is ITR 20001/T.
8. The service life detecting device of a water inlet valve of a washing machine as claimed in claim 1, wherein:
the display (7) is made of a 2-bit common-anode nixie tube with the model number of 5621 BH.
9. The service life detecting device of a water inlet valve of a washing machine as claimed in claim 1, wherein:
the alarm (8) is a buzzer and an LED lamp with the model number of WY 2311.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922401422.0U CN211347367U (en) | 2019-12-27 | 2019-12-27 | Service life detector for water inlet valve of washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922401422.0U CN211347367U (en) | 2019-12-27 | 2019-12-27 | Service life detector for water inlet valve of washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211347367U true CN211347367U (en) | 2020-08-25 |
Family
ID=72091762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922401422.0U Active CN211347367U (en) | 2019-12-27 | 2019-12-27 | Service life detector for water inlet valve of washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211347367U (en) |
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2019
- 2019-12-27 CN CN201922401422.0U patent/CN211347367U/en active Active
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Inventor after: Jiang Guomin Inventor after: Jing Shunlin Inventor after: Wei Chengxiao Inventor after: Guo Rongfu Inventor after: Xiao chaolei Inventor after: Yu Li Inventor after: Chen Yuanjin Inventor after: Xu Ran Inventor before: Jing Shunlin Inventor before: Wei Chengxiao Inventor before: Guo Rongfu Inventor before: Xiao chaolei Inventor before: Yu Li Inventor before: Chen Yuanjin Inventor before: Xu Ran |