阅读说明：本技术 一种洗衣机液位传感器检测工装 (Washing machine level sensor detects frock ) 是由 陈慧慧 任伟 王亚冲 于 2019-12-02 设计创作，主要内容包括：本发明涉及了洗衣机部件检测领域,具体的是一种洗衣机液位传感器检测工装。它包括工作台、悬挂装置、检测槽、载物组件、回流槽、回流泵和测试装置,所述悬挂装置、所述检测槽、所述回流槽和所述测试装置均设置在所述工作台上,所述检测槽侧面开设有朝向所述回流槽的溢流孔,所述回流槽与所述溢流孔连通,所述回流泵设置在所述回流槽中,所述回流泵连接有注水管,所述注水管与所述检测槽连通。本发明的有益效果在于：通过在检测槽、回流槽和注水管之间形成循环回路,并且在检测槽侧面开设有溢流孔,不仅能够使检测槽中的液面保持稳定,还能实现对水资源的循环利用,减少资源浪费。(The invention relates to the field of washing machine component detection, in particular to a washing machine liquid level sensor detection tool. It includes workstation, linkage, detects the groove, carries thing subassembly, backward flow groove, backwash pump and testing arrangement, linkage detect the groove the backwash groove with testing arrangement all sets up on the workstation, it has seted up the orientation to detect the groove side the overflow hole of backwash groove, the backwash groove with overflow hole intercommunication, the backwash pump sets up in the backwash groove, the backwash pump is connected with the water injection pipe, the water injection pipe with detect the groove intercommunication. The invention has the beneficial effects that: through form circulation circuit between detection groove, backwash tank and water injection pipe to the overflow hole has been seted up to the side of detecting the groove, not only can make the liquid level in the detection groove remain stable, can also realize the cyclic utilization to the water resource, reduce the wasting of resources.)

1. The utility model provides a washing machine level sensor detects frock for detect precision to level sensor tests its characterized in that: the detection tool for the washing machine liquid level sensor comprises a workbench, a suspension device, a detection tank, an object carrying assembly, a reflux tank, a reflux pump and a test device, the suspension device, the detection tank, the reflux tank and the test device are all arranged on the workbench, the side surface of the detection groove is provided with an overflow hole facing the reflux groove, the reflux groove is communicated with the overflow hole, the reflux pump is arranged in the reflux tank and is connected with a water injection pipe which is communicated with the detection tank, the suspension device comprises a suspension frame, a driving device driving the suspension frame to move and a fixing clamp connected to the suspension frame and used for fixing the liquid level sensor, the object carrying assembly comprises a plurality of object carrying tables with adjustable heights, the lower ends of the liquid level sensors are in contact with the object carrying tables, and the testing device is connected with the liquid level sensors.

2. The washing machine liquid level sensor detection tool according to claim 1, characterized in that: the testing device comprises a controller and a USB interface connected to the input end of the controller, the input end of the USB interface is connected with the water level sensor through a USB testing harness, and the output end of the controller is connected with a display used for displaying the liquid level.

3. The washing machine liquid level sensor detection tool according to claim 1, characterized in that: the driving device comprises a moving block connected to the suspension, a push lead screw connected to the moving block and a push motor connected to the push lead screw, a sliding groove is formed in the workbench, and a sliding block moving in the sliding groove is connected to the moving block.

4. The washing machine liquid level sensor detection tool according to claim 3, characterized in that: the suspension further comprises a height-adjustable supporting rod connected to the moving block and a supporting plate connected to the supporting rod, and the fixing clamp is connected to the supporting plate and moves along the supporting plate.

5. The washing machine liquid level sensor detection tool according to claim 4, characterized in that: the mounting fixture is including connecting the connecting rod of backup pad is connected the axis of rotation on the connecting rod and connecting two grip blocks in the axis of rotation, two grip blocks with the axis of rotation forms scissors form anchor clamps jointly.

6. The washing machine liquid level sensor detection tool according to claim 5, characterized in that: the clamping plates are defined with a first end distal from the rotation shaft and a second end proximal to the rotation shaft, the first end having a clamping groove formed between the two clamping plates, the second end having a spring attached to the two clamping plates.

7. The washing machine liquid level sensor detection tool according to claim 1, characterized in that: the overflow hole is connected with an overflow pipe, and the overflow pipe is communicated with the reflux groove.

8. The washing machine liquid level sensor detection tool according to claim 2, characterized in that: the controller is also connected with an alarm device.

9. The washing machine liquid level sensor detection tool according to claim 8, characterized in that: the alarm device comprises a buzzer or an indicator light.

Technical Field

The invention relates to the field of washing machine component detection, in particular to a washing machine liquid level sensor detection tool.

Background

Currently, a washing machine is a cleaning appliance that washes laundry using mechanical action of electric energy generation. The washing machine is divided into two types of household and collection according to the rated washing capacity. China has specified washing capacity below 6 kg and belongs to household washing machines: the household washing machine mainly comprises a box body, a panel, washing and dewatering barrels (some washing and dewatering barrels are separated), a transmission and control system and the like, and some washing machines are also provided with a heating device. In order to test the depth of the liquid level in the dewatering barrel, a liquid level sensor needs to be arranged in the dewatering barrel, in order to ensure the normal use of the liquid level sensor, the sensitivity of the liquid level sensor needs to be detected before assembly, and the existing detection method basically places the liquid level sensor in a container and then injects liquid with a certain depth for testing.

Disclosure of Invention

In order to overcome at least part of defects in the prior art, the embodiment of the invention provides a washing machine liquid level sensor detection tool which can recycle a test liquid, improves the detection precision, and is simple in structure and convenient to use.

The embodiment of the application discloses: a washing machine liquid level sensor detection tool is used for testing the detection precision of a liquid level sensor and comprises a workbench, a suspension device, a detection groove, a loading assembly, a reflux groove, a reflux pump and a testing device, wherein the suspension device, the detection groove, the reflux groove and the testing device are all arranged on the workbench, the side surface of the detection groove is provided with an overflow hole facing the reflux groove, the reflux groove is communicated with the overflow hole, the reflux pump is arranged in the reflux groove, the reflux pump is connected with a water injection pipe, the water injection pipe is communicated with the detection groove, the suspension device comprises a suspension, a driving device for driving the suspension to move and a fixing clamp connected on the suspension and used for fixing the liquid level sensor, the loading assembly comprises a plurality of loading platforms with adjustable heights, and the lower end of the liquid level sensor is contacted with the loading platforms, the testing device is connected with the liquid level sensor.

Furthermore, the testing device comprises a controller and a USB interface connected to the input end of the controller, the input end of the USB interface is connected with the water level sensor through a USB testing harness, and the output end of the controller is connected with a display used for displaying the liquid level.

Furthermore, the driving device comprises a moving block connected to the suspension, a push lead screw connected to the moving block, and a push motor connected to the push lead screw, a sliding groove is formed in the workbench, and a sliding block moving in the sliding groove is connected to the moving block.

Further, the suspension further comprises a height-adjustable supporting rod connected to the moving block and a supporting plate connected to the supporting rod, and the fixing clamp is connected to the supporting plate and moves along the supporting plate.

Further, the mounting fixture includes a connecting rod connected to the support plate, a rotating shaft connected to the connecting rod, and two clamping plates connected to the rotating shaft, wherein the two clamping plates and the rotating shaft jointly form a scissor-shaped fixture.

Further, the clamping plates are defined with a first end remote from the rotation shaft and a second end adjacent to the rotation shaft, the first end having a clamping groove formed between the two clamping plates, the second end having a spring connected to the two clamping plates.

Furthermore, the overflow hole is connected with an overflow pipe, and the overflow pipe is communicated with the reflux groove.

Further, the controller is also connected with an alarm device.

Further, the alarm device comprises a buzzer or an indicator light.

The invention has the following beneficial effects: the detection tool for the liquid level sensor of the washing machine comprises a workbench, a suspension device, a detection tank, an object carrying assembly, a backflow tank, a backflow pump and a testing device, wherein the suspension device, the detection tank, the backflow tank and the testing device are all arranged on the workbench, an overflow hole facing the backflow tank is formed in the side surface of the detection tank, the backflow tank is communicated with the overflow hole, the backflow pump is arranged in the backflow tank, the backflow pump is connected with a water injection pipe, a circulation loop is formed among the detection tank, the backflow tank and the water injection pipe, and the overflow hole is formed in the side surface of the detection tank, so that the liquid level in the detection tank can be kept stable, the cyclic utilization of water resources can be realized, and the waste of resources is reduced; in addition, the object carrying assembly comprises a plurality of object carrying tables with adjustable heights, the lower ends of the liquid level sensors are in contact with the object carrying tables, so that the liquid level sensors to be detected can be conveniently moved to the object carrying tables with different heights through the suspension devices, and the sensitivity of the liquid level sensors at different depths can be detected; in addition, the invention has simple structure and convenient use.

In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of a washing machine liquid level sensor detection tool in an embodiment of the invention.

Fig. 2 is a partial schematic view of the suspension of fig. 1.

Fig. 3 is a schematic view of a coupling structure of the fixing clip of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a washing machine liquid level sensor detection tool in a preferred embodiment of the present invention is used for testing the detection accuracy of a liquid level sensor 20, and includes a workbench 1, a suspension device 2, a detection tank 3, a carrying assembly 4, a backflow tank 5, a backflow pump 6, and a testing device 7, wherein the suspension device 2, the detection tank 3, the backflow tank 4, and the testing device 5 are all disposed on the workbench 1. The side surface of the detection tank 3 is provided with an overflow hole 31 facing the reflux tank 4, the reflux tank 5 is communicated with the overflow hole 31, and the reflux pump 6 is arranged in the reflux tank 5. The reflux pump 6 is connected with a water injection pipe 61, the water injection pipe 61 with detect the groove 3 intercommunication, the linkage 2 includes suspension 21, drives the drive arrangement 22 that suspension 21 removed and connection be used for fixing on the suspension 21 the mounting fixture 23 of level sensor 20, the objective subassembly 4 includes a plurality of adjustable height's objective tables 41, level sensor 20 lower extreme with the contact of objective tables 41, testing arrangement 7 with level sensor 20 connects. By forming a circulation loop among the detection tank 3, the reflux tank 4 and the water injection pipe 5 and arranging the overflow hole 31 on the side surface of the detection tank 3, the liquid level in the detection tank 3 can be kept stable, the cyclic utilization of water resources can be realized, and the resource waste is reduced; in addition, the object carrying assembly 4 comprises a plurality of object carrying tables 41 with adjustable heights, the lower ends of the liquid level sensors 20 are in contact with the object carrying tables 41, so that the liquid level sensors 20 to be detected can be conveniently moved to the object carrying tables 41 with different heights through a suspension device, and the detection of the sensitivity of the liquid level sensors 20 at different depths is realized; in addition, the invention has simple structure and convenient use.

Referring to fig. 1, in the above embodiment, the testing device 7 includes a controller 71 and a USB interface (not shown) connected to an input end of the controller 71, an input end of the USB interface is connected to the water level sensor 20 through a USB testing harness (not shown), and an output end of the controller 71 is connected to a display 72 for displaying the liquid level. Through the setting of display 72, the liquid level degree of depth that level sensor 20 tested can be simply direct looked over, conveniently judges level sensor 20's precision.

Referring to fig. 1 and 2, in the above embodiment, the driving device 22 includes a moving block 221 connected to the suspension 21, a push screw 222 connected to the moving block 221, and a push motor 223 connected to the push screw 222, a sliding groove 11 is formed in the table 1, and a slider (not shown) moving in the sliding groove 11 is connected to the moving block 221. Drive the lead screw 222 through push motor 223 and rotate, promote lead screw 222 and rotate and drive movable block 221 and move along sliding tray 11 to promote the motion of suspension 21, and then with the level sensor 20 propelling movement to the assigned position on suspension 21, be convenient for detect the level sensor 20 ware.

Referring to fig. 1 and 3, in the above embodiment, the suspension 21 further includes a height-adjustable support rod 211 connected to the moving block 221 and a support plate 212 connected to the support rod 211, and the fixing jig 23 is connected to the support plate 212 and moves along the support plate 212. Through the setting of height-adjustable's bracing piece 211, can conveniently adjust the height of backup pad 212, and then adjust the height of connecting mounting fixture 23 on backup pad 212 for level sensor 20 can follow mounting fixture 23 and remove to corresponding objective table 41.

Referring to fig. 1 to 3, in the above embodiment, the fixing jig 23 includes the connecting rod 231 connected to the support plate 212, the rotating shaft 232 connected to the connecting rod 231, and two clamping plates 233 connected to the rotating shaft 232, the two clamping plates 233 and the rotating shaft 234 together forming a scissor-like jig. The clamping plates 233 are defined with a first end (not shown) distal from the rotating shaft 234 having a clamping groove 235 formed between the two clamping plates 233 and a second end (not shown) proximal to the rotating shaft 234 having a spring 236 attached to the two clamping plates 233.

Referring to fig. 1, in the above embodiment, an overflow pipe 32 is connected to the overflow hole 31, and the overflow pipe 32 communicates with the return tank 4. In practical implementation, the overflow tube 32 is a flexible pipe to facilitate installation of the overflow tube 32.

Referring to fig. 1, in the above embodiment, the controller 71 is further connected with an alarm device 73. When the liquid level sensor 20 detects that the liquid level is abnormal, the controller 71 controls the alarm device 73 to give an alarm, and the display 72 displays the abnormal detection result, wherein in the actual implementation process, the alarm device 73 is set as a buzzer, and is old, and in other embodiments, the alarm device 73 can also be set as an indicator light and the like.

In the above embodiments, the principles and embodiments of the present invention are described by applying specific embodiments, and the above description of the embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.