CN220962235U - Novel water level switch - Google Patents
Novel water level switch Download PDFInfo
- Publication number
- CN220962235U CN220962235U CN202322666952.4U CN202322666952U CN220962235U CN 220962235 U CN220962235 U CN 220962235U CN 202322666952 U CN202322666952 U CN 202322666952U CN 220962235 U CN220962235 U CN 220962235U
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- Prior art keywords
- switch
- water level
- cam
- water pump
- button body
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 101
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses a novel water level switch, which relates to the technical field of water level switches, and comprises a water pump control switch, wherein the water pump control switch comprises a shell and a rotary cam assembly arranged in the shell, and switch assemblies in matched contact with the rotary cam assembly are arranged at two ends of the rotary cam assembly; the floating ball is arranged on the water surface; and one end of the water level control rod is fixedly connected with the outer wall of the floating ball. According to the novel water level switch, the first cam contacts the touch button body to start the switch and is connected with the self-holding circuit of the contactor for controlling the water pump to start and stop, after the water level is continuously increased to reach the high point of the second cam, the water pump is started and runs until the touch button body corresponding to the first cam is started and stops running, and during the water pump is not in a state of being repeatedly started and stopped due to fluctuation of the water level, so that the service lives of the water pump and the switch are effectively protected.
Description
Technical Field
The utility model relates to the technical field of water level switches, in particular to a novel water level switch.
Background
The existing water level control sensing devices commonly comprise: float switch, inductive water switch, optical water level switch, etc. Although these sensors can accurately control the start and stop of the water pump, there are also some drawbacks.
The float switch can carry out commercial power supply, but the control circuit can be repeatedly connected with the critical point of the water level of the steel ball, the float is easy to block due to inaccurate water level control, and the switch contacts are packaged in the float, so that the switch contacts are damaged and short-circuited when the seal fails; the low-voltage sensors such as the induction type water switch and the optical water level switch are correspondingly controlled by intelligent equipment such as an intermediate relay, a PLC or a water pump controller and the like. On one hand, the control circuit of the water pump is complex, the cost of the control circuit and the switch is greatly increased, and the maintenance difficulty is greatly increased.
Disclosure of utility model
The present utility model is directed to a novel water level switch, which solves the problems set forth in the above-mentioned background art.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
A novel water level switch, comprising
The water pump control switch comprises a shell and a rotary cam assembly arranged in the shell, wherein switch assemblies in contact with the rotary cam assembly in a matched manner are arranged at two ends of the rotary cam assembly;
The floating ball is arranged on the water surface;
The water level control rod, water level control rod one end and floater outer wall fixed connection, the casing outside is equipped with the motion track notch that is used for water level control rod tip, the one end that the water level control rod kept away from the floater passes motion track notch and rotatory cam assembly fixed connection.
Preferably, the rotary cam assembly comprises a rotating rod, a first cam and a second cam, wherein the outer wall of the rotating rod is fixedly connected with the end part of the water level control rod, and the first cam and the second cam are respectively arranged at two ends of the rotating rod.
Preferably, the first cam and the second cam are in two different installation states.
Preferably, the moment when the first cam rotation reaches the highest point is earlier than the moment when the second cam rotation reaches the highest point.
Preferably, the switch assembly comprises a switch and a touch button body, the switch is arranged on the inner side wall of the shell, the touch button body is arranged on one side of the switch and is electrically connected with the switch, a binding post is electrically connected with the other side of the switch, and the binding post is connected with the water pump control box through an electric wire.
Preferably, a diaphragm is arranged between the switch and the touch button body.
Compared with the prior art, the utility model has the following beneficial effects:
The switch assembly is provided with two groups, the two groups of switch assemblies are respectively matched with the first cam and the second cam, the first cam which reaches a high point firstly touches the touch button body to start the switch and turn on the self-holding circuit of the contactor for controlling the starting and stopping of the water pump, the water level is continuously increased to reach the high point of the second cam and then touches the other group of touch button body to cause the power supply contactor of the water pump to be connected, then the water pump is started and operated until the touch button body corresponding to the first cam is started and stopped, the water pump is not in a state of being repeatedly started and stopped due to fluctuation of the water level during the water pump, the service lives of the water pump and the switch are effectively protected, and the control circuit is greatly simplified.
Drawings
FIG. 1 is a schematic diagram of the overall connection structure of a novel water level switch;
FIG. 2 is a schematic diagram of the internal structure of a novel water pump control switch of the water level switch;
fig. 3 is a schematic diagram of a circuit switch connection of a novel water level switch.
In the figure: 1. a water pump control switch; 11. a rotating lever; 12. a first cam; 13. a second cam; 14. a switch; 15. touching the button body; 16. binding posts; 17. a diaphragm; 2. a floating ball; 3. a water level control lever.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
Referring to FIGS. 1-3, the present utility model is a novel water level switch, comprising
The water pump control switch 1, the water pump control switch 1 comprises a shell and a rotary cam assembly arranged in the shell, wherein the two ends of the rotary cam assembly are provided with switch assemblies which are contacted with the rotary cam assembly in a matching way;
The floating ball 2 is arranged on the water surface;
The water level control rod 3, water level control rod 3 one end and floater 2 outer wall fixed connection, the casing outside is equipped with the motion track notch that is used for water level control rod 3 tip, and the one end that water level control rod 3 kept away from floater 2 passes motion track notch and rotatory cam assembly fixed connection.
As can be seen from fig. 1 to 3, the rotary cam assembly includes a rotary rod 11, a first cam 12 and a second cam 13, wherein the outer wall of the rotary rod 11 is fixedly connected with the end of the water level control rod 3, and the first cam 12 and the second cam 13 are respectively disposed at two ends of the rotary rod 11.
The first cam 12 and the second cam 13 are in two different mounting states.
The rotation of the first cam 12 reaches the highest point earlier than the rotation of the second cam 13 reaches the highest point.
From the above, along with the increase of the water level, the floating ball 2 drives the water level control rod 3 to drive the rotating cam assembly, wherein the first cam 12 and the second cam 13 are in two different installation states, the moment that the first cam 12 rotates to reach the highest point is earlier than the moment that the second cam 13 rotates to reach the highest point, when the end part of the water level control rod 3 drives the rotating rod 11 and the first cam 12 and the second cam 13 at the two ends of the rotating rod 11 to rotate, the first cam 12 which reach the high point touches the switch assembly, the switch assembly is further utilized to switch on the self-retaining circuit of the contactor for controlling the water pump to start and stop, the water pump is started in a self-retaining mode after the water level continuously increases to reach the high point of the second cam 13, the water pump stops when the water level changes to reach the self-retaining circuit, and the water pump is stopped when the water level changes, and the water pump is repeatedly started and stopped due to the critical water level is avoided.
Embodiment two:
Referring to fig. 1-3, the switch assembly includes a switch 14 and a touch button body 15, the switch 14 is disposed on an inner side wall of the housing, the touch button body 15 is disposed on one side of the switch 14 and electrically connected with the switch 14, a binding post 16 is electrically connected to the other side of the switch 14, the binding post 16 is connected to a water pump control box through an electric wire, so that the water pump is conveniently started and closed through the water pump control box, and different applications of water supply and water drainage can be realized through forward and reverse connection of a circuit.
A diaphragm 17 is provided between the switch 14 and the touch button body 15.
From the above, the switch assemblies are provided with two groups, the two groups of switch assemblies are respectively matched with the first cam 12 and the second cam 13, the first cam 12 which reaches a high point firstly touches the switch assemblies, the first cam 12 contacts the touch button body 15 to start the switch 14 and is connected with the self-holding circuit of the contactor for controlling the start and stop of the water pump, the water level continuously increases to reach the high point of the second cam 13 and then contacts the other group of touch button body 15 to cause the power supply contactor of the water pump to be connected, then the water pump starts and runs until the touch button body 15 corresponding to the first cam 12 is started to stop running, the water pump is not repeatedly started and stopped due to the fluctuation of the water level during the water pump, the service lives of the water pump and the switch are effectively protected, the control circuit is greatly simplified, and the water isolation control of the switch is realized to increase the safety of equipment.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A novel water level switch, characterized in that: comprising
The water pump control switch (1), the water pump control switch (1) comprises a shell and a rotary cam assembly arranged in the shell, and switch assemblies matched with and contacted with the rotary cam assembly are arranged at two ends of the rotary cam assembly;
the floating ball (2) is arranged on the water surface;
The water level control rod (3), water level control rod (3) one end and floater (2) outer wall fixed connection, the casing outside is equipped with the motion track notch that is used for water level control rod (3) tip, the one end that floater (2) was kept away from to water level control rod (3) passes motion track notch and rotatory cam module fixed connection.
2. A novel water level switch as claimed in claim 1, wherein: the rotary cam assembly comprises a rotating rod (11), a first cam (12) and a second cam (13), wherein the outer wall of the rotating rod (11) is fixedly connected with the end part of the water level control rod (3), and the first cam (12) and the second cam (13) are respectively arranged at two ends of the rotating rod (11).
3. A novel water level switch as claimed in claim 2, wherein: the first cam (12) and the second cam (13) are in two different installation states.
4. A novel water level switch as claimed in claim 3, wherein: the moment when the first cam (12) rotates to reach the highest point is earlier than the moment when the second cam (13) rotates to reach the highest point.
5. A novel water level switch as claimed in claim 1, wherein: the switch assembly comprises a switch (14) and a touch button body (15), the switch (14) is arranged on the inner side wall of the shell, the touch button body (15) is arranged on one side of the switch (14) and is electrically connected with the switch, a binding post (16) is electrically connected with the other side of the switch (14), and the binding post (16) is connected with the water pump control box through an electric wire.
6. The novel water level switch of claim 5, wherein: a diaphragm (17) is arranged between the switch (14) and the touch button body (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322666952.4U CN220962235U (en) | 2023-09-28 | 2023-09-28 | Novel water level switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322666952.4U CN220962235U (en) | 2023-09-28 | 2023-09-28 | Novel water level switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220962235U true CN220962235U (en) | 2024-05-14 |
Family
ID=91015971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322666952.4U Active CN220962235U (en) | 2023-09-28 | 2023-09-28 | Novel water level switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220962235U (en) |
-
2023
- 2023-09-28 CN CN202322666952.4U patent/CN220962235U/en active Active
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