CN212694295U - Special liquid level control device of PBN crucible return water pond - Google Patents
Special liquid level control device of PBN crucible return water pond Download PDFInfo
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- CN212694295U CN212694295U CN202021470787.5U CN202021470787U CN212694295U CN 212694295 U CN212694295 U CN 212694295U CN 202021470787 U CN202021470787 U CN 202021470787U CN 212694295 U CN212694295 U CN 212694295U
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Abstract
The utility model relates to a special liquid level control device of PBN crucible return water pond belongs to PBN crucible technical field, the device includes the floater, thick connecting rod, thin connecting rod, and a support, hall switch A, hall switch B, auxiliary relay, ac contactor and water pump, thick connecting rod is hollow cylinder, thick connecting rod one end sets up the floater, the thin connecting rod is inserted to the other end, thin connecting rod is connected to the support top, carry on spacingly through thin connecting rod to thick connecting rod, set up magnet on the thick connecting rod, support one side sets up hall switch A and hall switch B, hall switch A sets up in hall switch B top, hall switch A and hall switch B all are connected to auxiliary relay, auxiliary relay is connected to the water pump through ac contactor. The utility model discloses a vertical formula floater structure is different from conventional horizontal pole floater and connects, is applicable to the return water pond for the PBN crucible workshop, adapts to acid-base corrosion environment, can adjust return water pond water reserves by oneself, and the cost is lower, maintains convenient to use.
Description
Technical Field
The utility model relates to a special liquid level control device of PBN crucible return water pond belongs to PBN crucible technical field.
Background
Need use in the PBN crucible workshop circulating water straight to the CVD stove, gas pipeline and other evacuation equipment cool down, cooling in-process water can evaporate gradually, lead to return water pond water reserves to reduce, need artifical regularly to observe and add water, rivers can also mix with the acid-base corrosive liquid in the workshop gradually in the circulation process, ordinary liquid level floater controlling means is connected for the horizontal pole floater, and the return water pond of PBN crucible production usefulness sets up in the underground, the floater horizontal pole is installed and is used inconveniently, and still can receive the corruption after long-term the use, need regularly change, later maintenance cost is high, and radar liquid level control device control accuracy is high, but the cost is very high, be not suitable for simple liquid level control.
Chinese patent CN208110395U discloses a floating ball connecting rod liquid level control system for a sludge pond, belonging to the technical field of steel-making sludge treatment equipment in the metallurgical industry. The technical scheme is as follows: sludge impoundment (9) are equipped with row mud pipeline (2) and advance mud pipeline (11), are equipped with mud agitator (8) and floater connecting rod level gauge (10) in sludge impoundment (9), floater connecting rod level gauge (10) contain the floater and with floater fixed connection's connecting rod, liquid level touching baffle (6) are fixed on the connecting rod, the top and the below of liquid level touching baffle (6) are equipped with liquid level upper limit controller (4) and liquid level lower limit controller (5) respectively, liquid level upper limit controller (4) and liquid level lower limit controller (5) with advance mud pipeline electric valve (12) and arrange mud electric valve (1) control connection. The floating ball connecting rod liquid level meter of the system is in direct contact with a sludge tank, is not suitable for acid-base corrosion environments, and can be corroded after being used for a long time.
In view of this, it is necessary to develop a control device which is specially used for a return water tank of a PBN crucible production workshop, is suitable for acid-base corrosion environments, and can automatically adjust the liquid level.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art not enough, the utility model provides a special liquid level control device of PBN crucible return water pond is applicable to acid-base corrosive environment, can adjust return water pond water reserve by oneself.
The technical scheme of the utility model as follows:
the utility model provides a special level control device of PBN crucible return water pond, including the floater, thick connecting rod, thin connecting rod, and a support, hall switch A, hall switch B, auxiliary relay, ac contactor and water pump, thick connecting rod is hollow cylinder, thick connecting rod one end sets up the floater, the other end inserts thin connecting rod, thin connecting rod is connected to the support top, carry on spacingly to thick connecting rod through thin connecting rod, set up magnet on the thick connecting rod, support one side sets up hall switch A and hall switch B, hall switch A sets up in hall switch B top, hall switch A and hall switch B all are connected to auxiliary relay, auxiliary relay is connected to the water pump through ac contactor.
Preferably, the magnet is in a ring shape and sleeved on the thick connecting rod, so that the measurement of the Hall switch A and the Hall switch B is not influenced by the rotation of the thick connecting rod.
Preferably, the support is a rectangular frame, and is convenient to mount.
Preferably, the thick connecting rod, the thin connecting rod and the floating ball are all made of 304 stainless steel materials, so that acid-base corrosion is prevented.
Preferably, the water inlet of the water pump is connected with a water well or a tap water pipe.
Preferably, set up solid fixed ring on the thick connecting rod, gu fixed ring diameter is greater than return water pond top opening diameter, gu fixed ring is located the magnet below, guarantees that thick connecting rod can not whole fall into the return water pond.
When the device uses, the floater floats in the return water pond surface of water, thick connecting rod passes return water pond top opening and is connected to thin connecting rod, require according to the water level and adjust the magnet height, make magnet be located between hall switch A and hall switch B place height, water pump outlet pipe is connected to in the return water pond, the water level descends in the return water pond, magnet descends to hall switch B back along with thick connecting rod, auxiliary relay passes through ac contactor control water pump and starts, add water to the return water pond, return water pond water level rises, magnet surpasss hall switch A back along with thick connecting rod, auxiliary relay passes through ac contactor control water pump stall, thereby keep the return water pond to be in all the time and set for the water level, and floater and the thick connecting rod that are located in the return water pond can not.
The beneficial effects of the utility model reside in that:
1. the utility model discloses a vertical formula floater structure is different from conventional horizontal pole floater and connects, is applicable to the return water pond for the PBN crucible workshop, adapts to acid-base corrosion environment, can adjust return water pond water reserves by oneself, and the cost is lower, maintains convenient to use.
2. The utility model discloses simple structure can be applied to actual production rapidly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
wherein: 1. a floating ball; 2. a thick connecting rod; 3. a thin connecting rod; 4. a support; 5. a magnet; 6. a Hall switch A; 7. a Hall switch B; 8. an intermediate relay; 9. an AC contactor; 10. a water pump; 11. a fixing ring; 12. and (5) returning the water to the pool.
Detailed Description
The present invention will be further described, but not limited to, by the following examples in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1, the embodiment provides a special liquid level control device for a PBN crucible water return pool, including floating ball 1, thick connecting rod 2, thin connecting rod 3, support 4, hall switch a6, hall switch B7, intermediate relay 8, ac contactor 9 and water pump 10, thick connecting rod 2 is a hollow cylinder, floating ball 1 is arranged at one end of thick connecting rod 2, the other end inserts thin connecting rod 3, thin connecting rod 3 is connected to the top end of support 4, limit is carried out to thick connecting rod 2 through thin connecting rod 3, set up magnet 5 on thick connecting rod 2, support 4 one side sets up hall switch a6 and hall switch B7, hall switch a6 sets up above hall switch B7, hall switch a6 and hall switch B7 are all connected to intermediate relay 8, intermediate relay 8 is connected to water pump 10 through ac contactor 9. The water inlet of the water pump 10 is connected with a well. The thick connecting rod, the thin connecting rod and the floating ball are all made of 304 stainless steel materials, so that acid-base corrosion is prevented.
When the device is used, the floating ball 1 floats on the water surface of the water return pool 12, the thick connecting rod 2 penetrates through an opening above the water return pool 12 and is connected to the thin connecting rod 3, the height of the magnet 5 is adjusted according to the water level requirement, the magnet 5 is located between the heights of the Hall switch A6 and the Hall switch B7, a water outlet pipeline of the water pump 10 is connected into the water return pool 12, the water level in the water return pool 12 descends, after the magnet 5 descends to the Hall switch B7 along with the thick connecting rod 2, the intermediate relay 8 controls the water pump 10 to start through the alternating current contactor 9, water is added into the water return pool 12, the water level of the water return pool 12 ascends, after the magnet 5 exceeds the Hall switch A6 along with the thick connecting rod 2, the intermediate relay 8 controls the water pump 10 to stop running through the alternating current contactor 9, the water return pool 12 is.
Example 2:
the special liquid level control device for the PBN crucible water return pool is structurally as described in embodiment 1, and is different in that a magnet 5 is in a circular ring shape and sleeved on a thick connecting rod 2, so that the measurement of a Hall switch A6 and a Hall switch B7 is not influenced by the rotation of the thick connecting rod 2.
The support 4 is a rectangular frame, so that the installation is convenient, and the water inlet of the water pump 10 is connected with a tap water pipe.
Example 3:
the utility model provides a special liquid level control device of PBN crucible return water pond, the structure is as embodiment 1, the difference lies in, sets up solid fixed ring 11 on the thick connecting rod 2, gu fixed ring 11 diameter is greater than return water pond 12 top opening diameters, gu fixed ring is located the magnet below, guarantees that thick connecting rod can not whole fall into the return water pond.
Claims (6)
1. The utility model provides a special liquid level control device of PBN crucible return water pond, a serial communication port, including the floater, thick connecting rod, thin connecting rod, and a support, hall switch A, hall switch B, auxiliary relay, ac contactor and water pump, thick connecting rod is hollow cylinder, thick connecting rod one end sets up the floater, thin connecting rod is inserted to the other end, thin connecting rod is connected to the support top, set up magnet on the thick connecting rod, support one side sets up hall switch A and hall switch B, hall switch A sets up in hall switch B top, hall switch A and hall switch B all are connected to auxiliary relay, auxiliary relay is connected to the water pump through ac contactor.
2. The special liquid level control device for the PBN crucible water return pool as defined in claim 1, wherein the magnet is shaped like a circular ring and is sleeved on the thick connecting rod.
3. The special liquid level control device for the PBN crucible water return pool as defined in claim 1, wherein the support is a rectangular frame.
4. The special liquid level control device for the PBN crucible water return pool as defined in claim 1, wherein the thick connecting rod, the thin connecting rod and the floating ball are all made of 304 stainless steel.
5. The special liquid level control device for the PBN crucible water return pool as claimed in claim 1, wherein the water inlet of the water pump is connected with a water well or a tap water pipe.
6. The special liquid level control device for the PBN crucible water return pool as defined in claim 1, wherein a fixing ring is arranged on the thick connecting rod, the diameter of the fixing ring is larger than that of the opening above the water return pool, and the fixing ring is positioned below the magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021470787.5U CN212694295U (en) | 2020-07-23 | 2020-07-23 | Special liquid level control device of PBN crucible return water pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021470787.5U CN212694295U (en) | 2020-07-23 | 2020-07-23 | Special liquid level control device of PBN crucible return water pond |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212694295U true CN212694295U (en) | 2021-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021470787.5U Active CN212694295U (en) | 2020-07-23 | 2020-07-23 | Special liquid level control device of PBN crucible return water pond |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212694295U (en) |
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2020
- 2020-07-23 CN CN202021470787.5U patent/CN212694295U/en active Active
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