CN206945096U - A kind of level switch float, level switch and water purification tower - Google Patents
A kind of level switch float, level switch and water purification tower Download PDFInfo
- Publication number
- CN206945096U CN206945096U CN201720939436.6U CN201720939436U CN206945096U CN 206945096 U CN206945096 U CN 206945096U CN 201720939436 U CN201720939436 U CN 201720939436U CN 206945096 U CN206945096 U CN 206945096U
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- Prior art keywords
- level switch
- annular
- base
- float
- normally closed
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Abstract
The utility model discloses a kind of level switch float, level switch and water purification tower, wherein level switch float includes annular magnet, middle part is provided with the base of the first through hole, middle part is provided with the top cover of the second through hole, annular groove is opened up on base side wall, annular magnet is placed in the annular groove, also include sealing ring, the sealing ring includes the annular protrusion being arranged in annular groove, the annular protrusion top side wall has the flange being placed between top cover inner top surface and base upper port top surface, and the base is detachably connected with top cover；The annular protrusion outer bottom is also connected with three isometric locating rods, and the locating rod abuts against parallel to base center axis, bottom and the annular magnet of locating rod.The utility model good seal performance, convenient disassembly, use and maintenance cost is low, and annular magnet is not easy to rock, and the sensitivity of detection and accuracy are high, and functional reliability is high.
Description
Technical field
The utility model more particularly to a kind of level switch float, level switch and water purification tower.
Background technology
In the prior art, the level switch with float of water level and full-water level is entered for detecting tank to be included putting
In correspondingly entering water level on the detection bar in tank, the float that is sheathed on outside detection bar and can be moved along detection bar, detection bar
Position be provided with the first normally closed dry reed pipe, the position of corresponding full-water level is provided with the second normally closed dry reed pipe, in float provided with
The magnet that first normally closed dry reed pipe and the second normally closed dry reed pipe cooperate.First normally closed dry reed pipe and the second closed type
One end of tongue tube is grounded, the input of the other end of the first normally closed dry reed pipe and the second normally closed dry reed pipe with controller
End electrical connection, the output end of controller pass through entering water electromagnetic valve drive circuit and the water inlet electromagnetism being connected on tank water inlet pipe
The control terminal electrical connection of valve.During work, float moves up and down with SEA LEVEL VARIATION along detection bar.When water level is less than in tank
When entering water level, float is located at under water level, and the first normally closed dry reed pipe is located at outside the magnetic field range of magnet, and now first is normally closed
Two contacts of type tongue tube connect all the time, after controller detects the state, are driven and intake by entering water electromagnetic valve drive circuit
Magnetic valve is opened and kept, and adds water to tank so as to realize.When water level is higher than full-water level in tank, float is located at
On full-water level, the second normally closed dry reed pipe is located at outside the magnetic field range of magnet, now two contacts of the second normally closed dry reed pipe
All the time connect, after controller detects the state, drive entering water electromagnetic valve to close by entering water electromagnetic valve drive circuit and keep,
So as to stop adding water to tank.As can be seen here, the magnet in float and float plays great during water level detecting
Effect.
Existing level switch float includes annular magnet, the wherein base and top cover being enclosed on outside control-rod, base side
Annular groove is opened up on wall, annular magnet is placed in the annular groove, and it has the disadvantages that：
First, due to being glued connection between base and top cover, therefore unreliable, poor sealing performance is connected, liquid is easy
Into the annular groove on base side wall, so as to aggravate the weight of float, trace performance of the float to water level is influenceed, and then reduce
The sensitivity of detection and accuracy；Meanwhile when any one damage of components, it is necessary to carry out overall replacement, use cost
It is high.
Second, because annular magnet is placed directly within annular groove, spacing measure, thus annular magnet are fastened without any
Easily rocked in annular groove, functional reliability is low.
The content of the invention
The purpose of this utility model is, for above-mentioned the deficiencies in the prior art, there is provided a kind of water level detecting improved
Device float, level switch and water purification tower, good seal performance, convenient disassembly, use cost is low, and annular magnet is not easy to rock,
The sensitivity of detection and accuracy are high, and functional reliability is high.
In order to solve the above technical problems, technical scheme is used by the utility model：
A kind of level switch float, including annular magnet, middle part are provided with the base of the first through hole, middle part is provided with the
The top cover of two through holes, annular groove is opened up on base side wall, annular magnet is placed in the annular groove, and it is structurally characterized in that also
Including sealing ring, the sealing ring includes the annular protrusion being arranged in annular groove, and the annular protrusion top side wall has
The flange being placed between top cover inner top surface and base upper port top surface, the base are detachably connected with top cover.
It by said structure, float convenient disassembly, when any one damage of components, can individually be changed, be used
Maintenance cost is low.Sealing ring is provided with annular protrusion and flange, by extruding axially and radially, can reach enhancing sealing
The effect of effect.Float is good to the trace performance of water level, and detection sensitivity and accuracy are high.
Further, the annular protrusion bottom surface is also connected with three isometric locating rods, and the locating rod is parallel to base
Central axis, bottom and the annular magnet of locating rod abut against.
Because there is provided locating rod, so as to which annular magnet is not easy to rock during rising or falling, functional reliability
It is high.
As a kind of preferred embodiment, three locating rods are uniformly distributed along annular protrusion border.
As a kind of preferred embodiment, the base and top cover bolt.
Further, have on the outside of top cover wall and be easy to tighten the friction portion puted forth effort.
Based on same inventive concept, the utility model additionally provides a kind of level switch, including for being placed in water storage
Detection bar in container, the position that water level is correspondingly entered in detection bar are provided with the first normally closed dry reed pipe, the position of corresponding full-water level
Provided with the second normally closed dry reed pipe, one end of the first normally closed dry reed pipe and the second normally closed dry reed pipe is grounded, and first is normally closed
Input of the other end of type tongue tube and the second normally closed dry reed pipe with controller electrically connects, and the output end of controller passes through
The control terminal of entering water electromagnetic valve of the entering water electromagnetic valve drive circuit with being connected on tank water inlet pipe electrically connects, its design feature
It is also to include described float, the float is sheathed on outside detection bar and can moved along detection bar, the dry spring of the first closed type
Pipe and the second normally closed dry reed pipe coordinate with annular magnet.
Based on same inventive concept, the utility model additionally provides a kind of water purification tower, including water purification tower body, described net
Described level switch is provided with water tower body.
Compared with prior art, the utility model good seal performance, convenient disassembly, use and maintenance cost is low, annular magnet
It is not easy to rock, the sensitivity of detection and accuracy are high, and functional reliability is high.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of float one.
Fig. 2 is structural representation when each component of product shown in Fig. 1 is released state.
Fig. 3 is level switch electrical block diagram.
Wherein, 1401 be annular magnet, and 1402 be base, and 14021 be annular groove, and 1403 be top cover, and 14031 be friction
Portion, 1404 be sealing ring, and 14041 be annular protrusion, and 14042 be flange, and 14043 be locating rod, and 1405 be the first closed type
Tongue tube, 1406 be the second normally closed dry reed pipe, and 1407 be entering water electromagnetic valve drive circuit, and 1408 be entering water electromagnetic valve, and 10 are
Controller.
Embodiment
As depicted in figs. 1 and 2, level switch includes annular magnet 1401 with float, middle part is provided with the first through hole
14022 base 1402, middle part are provided with the top cover 1403 of the second through hole 14032, and annular groove is opened up in the side wall of base 1402
14021, annular magnet 1401 is placed in the annular groove 14021, in addition to sealing ring 1404, and the sealing ring 1404 includes card
Annular protrusion 14041 in annular groove 14021, the top side wall of annular protrusion 14041, which has, is placed in top cover 1403
Flange 14042 between inner top surface and the upper port top surface of base 1402, the base are detachably connected with top cover 1403.Water level
The switch board of controller passes through the first through hole 14022 and the first through hole 14032.
The outer bottom of annular protrusion 14041 is also connected with three isometric locating rods 14043, and the locating rod 14043 is flat
Row abuts against in the central axis of base 1402, bottom and the annular magnet 1401 of locating rod 14043.Three edges of locating rod 14043
The border of annular protrusion 14041 is uniformly distributed.
The base 1402 and the bolt of top cover 1403.
Have on the lateral wall of top cover 1403 and be easy to tighten the friction portion 14031 puted forth effort.
Level switch includes being used for the detection bar being placed in tank, and the position that water level is correspondingly entered in detection bar is provided with
First normally closed dry reed pipe 1405, the position of corresponding full-water level are provided with the second normally closed dry reed pipe 1406, the dry spring of the first closed type
One end of the normally closed dry reed pipe 1406 of pipe 1405 and second is grounded, the first normally closed dry reed pipe 1405 and the dry spring of the second closed type
Input of the other end of pipe 1406 with controller 10 electrically connects, and the output end of controller 10 drives electricity by entering water electromagnetic valve
Road 1407 electrically connects with the control terminal for the entering water electromagnetic valve 1408 being connected on tank water inlet pipe, in addition to described float,
The float is sheathed on outside detection bar and can moved along detection bar, and the closed type of the first normally closed dry reed pipe 1405 and second is done
Reed pipe 1406 coordinates with annular magnet 1401.Level switch circuit structure is as shown in Figure 3.
Water purification tower includes water purification tower body, and described level switch is provided with the water purification tower body.
During work, float moves up and down with SEA LEVEL VARIATION along detection bar.When water level is less than into water level in water purification tower body
When, float is located at under water level, and the first normally closed dry reed pipe 1405 is located at outside the magnetic field range of annular magnet 1401, and now
Two contacts of one normally closed dry reed pipe 1405 connect all the time, after controller 10 detects the state, are driven by entering water electromagnetic valve
Circuit 1407 drives entering water electromagnetic valve 1408 to open and keep, so as to realize to adding water in water purification tower body.When water purification tower body
When interior water level is higher than full-water level, float is located on full-water level, and the second normally closed dry reed pipe 1406 is located at annular magnet 1401
Outside magnetic field range, now two contacts of the second normally closed dry reed pipe 1406 connect all the time, after controller 10 detects the state, lead to
Crossing entering water electromagnetic valve drive circuit 1407 drives entering water electromagnetic valve 1408 to close and keep, so as to stop that water purification tower body is added
Water.
Embodiment of the present utility model is described above in conjunction with accompanying drawing, but the utility model is not limited to
The embodiment stated, above-mentioned embodiment is only schematical, rather than limitation, this area it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under enlightenment of the present utility model
Under, many forms can be also made, these are belonged within the scope of protection of the utility model.
Claims (7)
1. a kind of level switch float, including annular magnet（1401）, middle part be provided with the first through hole（14022）Base
（1402）, middle part be provided with the second through hole（14032）Top cover（1403）, base（1402）Annular groove is opened up in side wall
（14021）, annular magnet（1401）It is placed in the annular groove（14021）It is interior, it is characterised in that also including sealing ring（1404）,
The sealing ring（1404）Including being arranged in annular groove（14021）Interior annular protrusion（14041）, the annular protrusion
（14041）Top side wall, which has, is placed in top cover（1403）Inner top surface and base（1402）Flange between upper port top surface
（14042）, the base（1402）With top cover（1403）It is detachable to be connected.
2. level switch float as claimed in claim 1, it is characterised in that the annular protrusion（14041）Bottom surface is also
It is connected with three isometric locating rods（14043）, the locating rod（14043）Parallel to base（1402）Central axis, locating rod
（14043）Bottom and annular magnet（1401）Abut against.
3. level switch float as claimed in claim 2, it is characterised in that three locating rods（14043）Along convex annular
Rise（14041）Border is uniformly distributed.
4. the level switch float as described in any one of claims 1 to 3, it is characterised in that the base（1402）With
Top cover（1403）Bolt.
5. level switch float as claimed in claim 4, it is characterised in that the top cover（1403）Have on lateral wall
It is easy to tighten the friction portion puted forth effort（14031）.
6. a kind of level switch, including the detection bar for being placed in tank, the position of water level is correspondingly entered in detection bar
Provided with the first normally closed dry reed pipe（1405）, corresponding full-water level position be provided with the second normally closed dry reed pipe（1406）, first is normal
Closed form tongue tube（1405）With the second normally closed dry reed pipe（1406）One end be grounded, the first normally closed dry reed pipe（1405）With
Second normally closed dry reed pipe（1406）The other end and controller（10）Input electrical connection, controller（10）Output end
Pass through entering water electromagnetic valve drive circuit（1407）With the entering water electromagnetic valve being connected on tank water inlet pipe（1408）Control terminal
Electrical connection, it is characterised in that also include the float as described in any one of claim 1 to 5, the float is sheathed on outside detection bar
And it can be moved along detection bar, first normally closed dry reed pipe（1405）With the second normally closed dry reed pipe（1406）And annular magnetic
Iron（1401）Coordinate.
7. a kind of water purification tower, including water purification tower body, it is characterised in that be provided with the water purification tower body such as claim 6 institute
The level switch stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720939436.6U CN206945096U (en) | 2017-07-31 | 2017-07-31 | A kind of level switch float, level switch and water purification tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720939436.6U CN206945096U (en) | 2017-07-31 | 2017-07-31 | A kind of level switch float, level switch and water purification tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206945096U true CN206945096U (en) | 2018-01-30 |
Family
ID=61370418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720939436.6U Active CN206945096U (en) | 2017-07-31 | 2017-07-31 | A kind of level switch float, level switch and water purification tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206945096U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019157644A1 (en) * | 2018-02-13 | 2019-08-22 | 深圳市赫兹科技有限公司 | Wastewater collection and detection mechanism and cleaning device |
-
2017
- 2017-07-31 CN CN201720939436.6U patent/CN206945096U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019157644A1 (en) * | 2018-02-13 | 2019-08-22 | 深圳市赫兹科技有限公司 | Wastewater collection and detection mechanism and cleaning device |
| US10729302B2 (en) | 2018-02-13 | 2020-08-04 | Hizero Technologies Co., Ltd. | Sewage collection and detection mechanism and cleaning device |
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