CN215178008U - Water level detection device and dish washing machine - Google Patents
Water level detection device and dish washing machine Download PDFInfo
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- CN215178008U CN215178008U CN202120893767.7U CN202120893767U CN215178008U CN 215178008 U CN215178008 U CN 215178008U CN 202120893767 U CN202120893767 U CN 202120893767U CN 215178008 U CN215178008 U CN 215178008U
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- level detection
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Abstract
The utility model discloses a water level detection device and a dish washing machine, wherein the water level detection device comprises a rod body, a connecting platform, an inductor, a TMR sensor, a first limiting device and a second limiting device; the connecting table is arranged at the top of the rod body, the second limiting device is arranged at the bottom of the rod body, and the first limiting device is positioned between the connecting table and the second limiting device; the inductor is slidably arranged on the rod body and is positioned between the first limiting device and the second limiting device; the TMR sensor is arranged in the rod body; the first limiting device and the second limiting device are detachably connected with the rod body respectively; the utility model discloses a water level detection device adopts the TMR sensor to detect the active position of inductor to realize the detection of water level, the TMR sensor has sensitivity height, and the advantage of low power dissipation can improve the reliability of testing result, thereby improves user's use and experiences.
Description
Technical Field
The utility model relates to a TMR sensor technical field, in particular to water level detection device and dish washer.
Background
In the prior art, a magnetic spring induction float switch or a capacitance type liquid level sensor is generally adopted to detect the liquid level of liquid.
The magnetic reed induction float switch is induced with the magnetic reed switch through a magnet arranged in the float, so that the conduction and the disconnection of the magnetic reed switch are realized; because the sensitivity of the reed switch is low, in the working process, the situation that the magnet is in place and the reed switch does not have corresponding action easily occurs, so that an external device does not have corresponding action, and the use experience of a user is influenced.
The capacitive liquid level sensor is a device for converting the position change of a measured object into capacitance, and has the problems of large working current and high power consumption.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a water level detecting device, which can improve the reliability of the output detection result, thereby improving the user experience.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a water level detection device comprises a rod body, a connecting platform, an inductor, a TMR sensor, a first limiting device and a second limiting device; the connecting table is arranged at the top of the rod body, the second limiting device is arranged at the bottom of the rod body, and the first limiting device is positioned between the connecting table and the second limiting device; the inductor is slidably arranged on the rod body and is positioned between the first limiting device and the second limiting device; the TMR sensor is arranged in the rod body; the first limiting device and the second limiting device are detachably connected with the rod body respectively.
In the water level detection device, the first limiting device comprises a first limiting blocking piece, and a first opening is formed in one side of the first limiting blocking piece; a first limiting groove is formed in the rod body, and the first limiting blocking piece is connected with the first limiting groove in a matched mode.
In the water level detection device, a plurality of first convex blocks are arranged at the bottom of the first limiting blocking piece.
In the water level detection device, the second limiting device comprises a second limiting blocking piece, and a second opening is formed in one side of the second limiting blocking piece; and a second limiting groove is formed in the rod body, and the second limiting blocking piece is matched and connected with the second limiting groove.
In the water level detection device, a plurality of second convex blocks are arranged at the top of the second limiting blocking piece.
In the water level detection device, the connecting table comprises a connecting plate and a connecting column, the bottom of the connecting plate is fixedly connected with the rod body, and the top of the connecting plate is fixedly connected with the connecting column; and an external thread part is arranged on the connecting column.
Among the water level detection device, the inductor includes the tourus and sets up the magnet in the tourus, the inner circle diameter of tourus is greater than the diameter of the body of rod.
In the water level detection device, a third limiting groove is further formed in the rod body, and the third limiting groove is located between the first limiting groove and the connecting platform.
The utility model also correspondingly provides a dish washing machine, which comprises a controller, a water tank, a water supply device and any one of the water level detection devices, wherein the water level detection device is arranged in the water tank, and the water supply device is used for supplying water to the water tank; the water supply device and the water level detection device are respectively electrically connected with the controller.
Has the advantages that:
the utility model provides a water level detection device, which adopts a TMR sensor to detect the active position of an inductor so as to realize the detection of the water level, the TMR sensor has the advantages of high sensitivity and low power consumption, and the reliability of the detection result can be improved, thereby improving the use experience of users; in addition, the second stop device that is located body of rod bottom can be dismantled with the body of rod and be connected, when the inductor needs to be changed, removes the relation of being connected of second stop device and the body of rod, and the inductor can break away from the body of rod to realize the quick replacement of inductor.
Drawings
Fig. 1 is a schematic structural view of a water level detecting device provided by the present invention;
fig. 2 is a schematic structural view of the rod body and the connecting table provided by the present invention;
fig. 3 is a schematic structural view of a rod body and a connecting platform according to another embodiment of the present invention;
fig. 4 is a schematic view of a usage status of the water level detecting device provided by the present invention.
Description of the main element symbols: 1-rod body, 11-first limiting groove, 12-second limiting groove, 13-third limiting groove, 2-connecting table, 21-connecting plate, 22-connecting column, 221-external thread part, 3-inductor, 4-first limiting baffle, 41-first bump, 5-second limiting baffle, 51-second bump, 61-nut and 62-gasket.
Detailed Description
The utility model provides a water level detection device and dish washer, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the attached drawing and the embodiment is lifted the utility model discloses do further detailed description.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and should not be construed as limitations of the present invention; in addition, the terms "mounted," "connected," and the like are to be construed broadly, and those skilled in the art can understand the specific meaning of the terms in the present invention according to specific situations.
Example 1
Referring to fig. 1, 2 and 4, the present invention provides a water level detecting device, which includes a rod body 1, a connecting platform 2, an inductor 3, a TMR sensor, a first limiting device and a second limiting device; the connecting table 2 is arranged at the top of the rod body 1, the second limiting device is arranged at the bottom of the rod body 1, and the first limiting device is positioned between the connecting table 2 and the second limiting device; the inductor 3 is slidably arranged on the rod body 1, the inductor 3 is positioned between the first limiting device and the second limiting device, and the second limiting device is used for preventing the inductor 3 from sliding off the rod body 1; the TMR sensor is arranged in the rod body 1; the first limiting device and the second limiting device are detachably connected with the rod body 1 respectively; in one embodiment, the rod body 1, the connecting platform 2 and the inductor 3 may be made of PP material.
According to the water level detection device disclosed by the application, in the actual working process, the water level detection device can be installed in a water tank needing to detect the water level, and the water level detection device is fixedly connected with the water tank through the connecting table 2; when the water level of the liquid in the water tank rises, the inductor 3 rises along with the rise of the water level, and if the inductor 3 enters the induction range of the high water level induction point of the TMR sensor, the TMR sensor outputs a high water level induction signal to an external controller; namely, the TMR sensor is adopted to detect the moving position of the inductor 3, so that the water level can be detected; the TMR sensor has the advantage of high sensitivity, and can improve the reliability of a detection result, so that the use experience of a user is improved; and the working current of the TMR sensor is microampere level, namely the TMR sensor has the advantage of low power consumption, and the working energy consumption of the water level detection device can be reduced.
In addition, the second limiting device positioned at the bottom of the rod body 1 is detachably connected with the rod body 1, when the inductor 3 needs to be replaced, the connection relation between the second limiting device and the rod body 1 is removed, and the inductor 3 can be separated from the rod body 1, so that the inductor 3 can be quickly replaced, and the maintenance efficiency of the water level detection device is improved; and first stop device and second stop device with body of rod 1 can dismantle the connection, when first stop device or second stop device damaged the problem, only need change first stop device or second stop device, body of rod 1 and inside TMR sensor can continue to use, has reduced water level detection device's maintenance cost.
Further, referring to fig. 1 and 2, the first limiting device includes a first limiting blocking piece 4, and a first opening is formed on one side of the first limiting blocking piece 4; a first limiting groove 11 is formed in the rod body 1, and the first limiting baffle 4 is connected with the first limiting groove 11 in a matched manner; when the first limiting blocking piece 4 needs to be replaced, a worker can push the first limiting blocking piece 4 to the closed end of the first limiting blocking piece 4 along the first opening, so that the first limiting blocking piece 4 is separated from the first limiting groove 11, and the first limiting blocking piece 4 is rapidly detached; in one embodiment, the first limiting baffle 4 is made of PP material.
Further, referring to fig. 1 and fig. 4, the bottom of the first limiting barrier 4 is provided with a plurality of first bumps 41, and the first bumps 41 are arranged, so that the contact area between the inductor 3 and the first limiting barrier 4 can be reduced; in one embodiment, the bottom of the first limiting baffle 4 is uniformly provided with 3 first protrusions, and the first protrusions 41 are integrally formed with the first limiting baffle 4.
In one embodiment, the top and the bottom of the first limiting baffle 4 are provided with limiting strips, and the limiting strips are abutted with the rod body 1; work as first spacing separation blade 4 with first spacing groove 11 is connected the back, and spacing and the butt of the body of rod 1 can increase the area of contact of first spacing separation blade 4 and the body of rod 1, reduce the probability that first spacing separation blade 4 appears the aversion problem, improve the stability of being connected of first spacing separation blade 4 and the body of rod 1.
Further, referring to fig. 1 and 2, the second limiting device includes a second limiting blocking piece 5, and a second opening is formed on one side of the second limiting blocking piece 5; a second limiting groove 12 is formed in the rod body 1, and the second limiting baffle 5 is connected with the second limiting groove 12 in a matched mode; when the inductor 3 needs to be replaced, a worker can push the second limiting blocking piece 5 towards the closed end of the second limiting blocking piece 5 along the second opening, so that the second limiting blocking piece 5 is separated from the second limiting groove 12, and the inductor 3 can slide out from the bottom of the rod body 1; when the replacement of the inductor 3 is completed, the second limiting baffle 5 is clamped in the second limiting groove 12 again, so that the inductor 3 is prevented from sliding off the rod body 1; in one embodiment, the second limiting baffle 5 is made of a PP material.
Further, referring to fig. 1 and fig. 4, a plurality of second bumps 51 are disposed on the top of the second limiting barrier 5, and the second bumps 51 are disposed, so that the contact area between the inductor 3 and the second limiting barrier 5 can be reduced; in one embodiment, the bottom of the second limiting baffle 5 is uniformly provided with 3 second protrusions, and the second protrusions 51 are integrally formed with the second limiting baffle 5.
Further, referring to fig. 1 and 2, the connection platform 2 includes a connection plate 21 and a connection column 22, the bottom of the connection plate 21 is fixedly connected with the rod body 1, and the top of the connection plate 21 is fixedly connected with the connection column 22; the connecting column 22 is provided with an external thread part 221; in one embodiment, the rod body 1, the connecting plate 21 and the connecting column 22 are integrally formed.
Referring to fig. 4, when the water level detection device needs to be installed in a water tank to be detected for a water level, a connection hole is formed in the water tank, the connection column 22 penetrates through the connection hole to be sequentially connected with a washer 62 and a nut 61, namely, the nut 61 is in fit connection with an external thread part 221 on the connection column 22, and the washer 62 is located between the nut 61 and the water tank.
Further, the inductor 3 comprises a torus and a magnet arranged in the torus, and the diameter of an inner ring of the torus is larger than that of the rod body 1, so that the torus can slide on the rod body 1; the TMR sensor is a magnetic sensor, and can realize the detection of the water level by detecting whether the magnet in the circular ring body enters the sensing range.
Example 2
Referring to fig. 3, in the present embodiment, a third limiting groove 13 is further formed on the rod body 1, and the third limiting groove 13 is located between the first limiting groove 11 and the connecting platform 2; set up third spacing groove 13, make first spacing separation blade 4 can with first spacing groove 11 or be connected with the cooperation of third spacing groove 13 to realize the change of 3 home range of inductor, thereby change the response scope of the high water level induction point of TMR sensor, can realize not co-altitude water level detection, improve water level detection device's suitability and use flexibility ratio.
The utility model also correspondingly provides a dish washing machine, which comprises a controller, a water tank, a water supply device and any one of the water level detection devices, wherein the water level detection device is arranged in the water tank, and the water supply device is used for supplying water to the water tank; the water supply device and the water level detection device are respectively electrically connected with the controller.
The application discloses dish washer, at water supply installation toward the inside watered in-process of water tank, the water level of the inside liquid of water tank rises, inductor 3 rises along with the rising of water level, if inductor 3 gets into the sensing range of TMR sensor's high water level induction point, TMR sensor output high water level's sensing signal to controller, controller control pumping device stops to add water in the water tank, avoid the water level too high in the water tank to lead to water to spill over from the water tank, thereby avoid the electron device in other spaces of dish washer because of weing trouble, improve dish washer's job stabilization nature, reliability and security.
It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.
Claims (9)
1. A water level detection device is characterized by comprising a rod body, a connecting table, an inductor, a TMR sensor, a first limiting device and a second limiting device; the connecting table is arranged at the top of the rod body, the second limiting device is arranged at the bottom of the rod body, and the first limiting device is positioned between the connecting table and the second limiting device; the inductor is slidably arranged on the rod body and is positioned between the first limiting device and the second limiting device; the TMR sensor is arranged in the rod body; the first limiting device and the second limiting device are detachably connected with the rod body respectively.
2. The water level detecting device according to claim 1, wherein the first limiting device comprises a first limiting baffle, and a first opening is formed in one side of the first limiting baffle; a first limiting groove is formed in the rod body, and the first limiting blocking piece is connected with the first limiting groove in a matched mode.
3. The water level detecting device according to claim 2, wherein the bottom of the first position-limiting blocking piece is provided with a plurality of first protrusions.
4. The water level detection device according to claim 1, wherein the second limiting device comprises a second limiting baffle, and a second opening is formed in one side of the second limiting baffle; and a second limiting groove is formed in the rod body, and the second limiting blocking piece is matched and connected with the second limiting groove.
5. The water level detecting device according to claim 4, wherein a plurality of second protrusions are disposed on the top of the second limiting barrier.
6. The water level detecting device according to claim 1, wherein the connecting platform comprises a connecting plate and a connecting column, the bottom of the connecting plate is fixedly connected with the rod body, and the top of the connecting plate is fixedly connected with the connecting column; and an external thread part is arranged on the connecting column.
7. The water level detecting device according to claim 1, wherein the sensor includes a circular ring body and a magnet disposed in the circular ring body, and a diameter of an inner ring of the circular ring body is larger than a diameter of the rod body.
8. The water level detecting device according to claim 2, wherein a third limiting groove is further formed in the rod body, and the third limiting groove is located between the first limiting groove and the connecting platform.
9. A dishwasher, comprising a controller, a water tank, a water supply device, and the water level detection device of any one of claims 1 to 8, the water level detection device being disposed within the water tank, the water supply device being for supplying water to the water tank; the water supply device and the water level detection device are respectively electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120893767.7U CN215178008U (en) | 2021-04-27 | 2021-04-27 | Water level detection device and dish washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120893767.7U CN215178008U (en) | 2021-04-27 | 2021-04-27 | Water level detection device and dish washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215178008U true CN215178008U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120893767.7U Active CN215178008U (en) | 2021-04-27 | 2021-04-27 | Water level detection device and dish washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215178008U (en) |
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2021
- 2021-04-27 CN CN202120893767.7U patent/CN215178008U/en active Active
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