CN204422025U - Communication type liquid level sensor and there is the compressor of this liquid level sensor - Google Patents
Communication type liquid level sensor and there is the compressor of this liquid level sensor Download PDFInfo
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- CN204422025U CN204422025U CN201520043332.8U CN201520043332U CN204422025U CN 204422025 U CN204422025 U CN 204422025U CN 201520043332 U CN201520043332 U CN 201520043332U CN 204422025 U CN204422025 U CN 204422025U
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- Prior art keywords
- liquid level
- storage space
- level sensor
- compressor
- liquid storage
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- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 title claims abstract description 148
- 238000004891 communication Methods 0.000 title claims abstract description 42
- 230000006698 induction Effects 0.000 claims abstract description 38
- 230000001419 dependent effect Effects 0.000 claims abstract description 26
- 230000008859 change Effects 0.000 claims abstract description 16
- 239000010687 lubricating oil Substances 0.000 claims description 25
- 239000000314 lubricant Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- Level Indicators Using A Float (AREA)
Abstract
The utility model provides communication type liquid level sensor and has the compressor of this liquid level sensor, and wherein, communication type liquid level sensor comprises: cylindrical shell, and its inside is provided with liquid storage space; Magnetic ball float, is arranged in liquid storage space, is elevated with the liquid level change in liquid storage space; Mounting hole, is arranged on cylindrical shell upper surface or lower surface; Magneto-dependent sensor assembly, comprises bar portion, magnetic induction fuse and connection terminal, and the one end in bar portion connects magnetic induction fuse, and the other end connects connection terminal, and bar portion and magnetic induction fuse stretch in mounting hole; Upper communicating pipe, be communicated with the top in liquid storage space in cylindrical shell; And lower communicating tube, be communicated with the bottom in liquid storage space in cylindrical shell; The magnetic field position signal that the magnetic induction fuse detection of magneto-dependent sensor assembly is elevated by magnetic ball float and causes, and be converted into electric signal output.The utility model, by having set up a liquid storage space be connected with compressor, knows the liquid level in measured target by the liquid level detected in liquid storage space.
Description
Technical field
The utility model relates to liquid level sensor field, particularly a kind of communication type liquid level sensor be connected with compressor and the compressor with this liquid level sensor.
Background technology
In prior art, the magnetic float liquid level sensor in container (such as compressor) is made up of measuring staff, magnetic float and magnetic potential detection mechanism (magnetic float position detection mechanism).Magnetic float is fixed on by permanent magnet ring to make with in the hollow ball made (or bar-shaped), and magnetic float can be enclosed within the measuring staff of liquid level sensor by floating ground.Magnetic potential detection mechanism is inserted in the middle hole capital after selling all securities of measuring staff, and the part integration such as induction of signal magnetic red sheet and magnetic float, measuring staff encapsulate.Measuring staff is threaded connection the bottom being fixed on compressor housing.During measurement, by liquid level sensor to be installed on container perpendicular to the mode of liquid level, magnetic float is elevated along measuring staff with liquid level change in container, and magnetic potential detection mechanism detects float position immediately, i.e. liquid level position.
Mainly there is following problem in current magnetic float liquid level sensor:
(1) measuring staff is connect by screw thread and compressor housing, and lubricating oil may be caused to reveal in housing screw junction.
(2) induction of signal magnetic red sheet and miscellaneous part integrative packaging, if induction of signal magnetic red sheet lost efficacy, was difficult to change.
(3) compressor inner space is limited, is difficult to install.
(4) installing magnetic float liquid level sensor can cause the structure of compressor that very large variation occurs.
Utility model content
The purpose of this utility model is the compressor providing a kind of communication type liquid level sensor and have this liquid level sensor, the magnetic induction fuse of this communication type liquid level sensor need not be immersed in lubricating oil, structural change is few, be convenient to again regulate float position according to liquid level demand, be convenient to dismounting, change magneto-dependent sensor assembly.
Another object of the present utility model is to provide a kind of compressor with this liquid level sensor, extends the whole service life of communication type liquid level sensor, and need not take the inner narrow space of compressor.
According to an aspect of the present utility model, a kind of communication type liquid level sensor is provided, comprises:
One cylindrical shell, its inside is provided with liquid storage space;
One magnetic ball float, is arranged in described liquid storage space, is elevated with the liquid level change in described liquid storage space;
One mounting hole, is arranged on described cylindrical shell upper surface or lower surface;
One magneto-dependent sensor assembly, comprises bar portion, magnetic induction fuse and connection terminal, and the one end in described bar portion connects described magnetic induction fuse, and the other end connects described connection terminal, and described bar portion and magnetic induction fuse stretch in described mounting hole;
One upper communicating pipe, be communicated with the top in liquid storage space in described cylindrical shell; And
One lower communicating tube, is communicated with the bottom in liquid storage space in described cylindrical shell;
The magnetic induction fuse of described magneto-dependent sensor assembly detects the magnetic field position signal caused by described magnetic ball float lifting, and is converted into electric signal output.
Preferably, the liquid storage space of described inner barrel is the annular space around described mounting hole.
Preferably, described magnetic ball float is the annular float around described mounting hole.
Preferably, described magneto-dependent sensor assembly also comprises a screw thread be arranged between described connection terminal and bar portion and inside contracts shoulder, and described screw thread inside contracts shoulder and is removably bolted in described mounting hole.
Preferably, described mounting hole is through hole.
Preferably, described mounting hole is half through hole.
Preferably, also comprise some communicating pipes, between described upper communicating pipe and lower communicating tube, be communicated with the middle part in liquid storage space in described cylindrical shell.
According to another aspect of the present utility model, a kind of compressor is also provided, lubricating oil is carried in the bottom of this compressor, comprise above-mentioned communication type liquid level sensor, described communication type liquid level sensor is at least communicated with described compressor respectively by described upper communicating pipe lower communicating tube, linker is formed in the liquid storage space of described communication type liquid level sensor and described compressor, lubricating oil in described compressor imports in the liquid storage space of described communication type liquid level sensor, described magnetic ball float is elevated with the liquid level change of described lubricant in compressor, the magnetic induction fuse of described magneto-dependent sensor assembly detects the magnetic field position signal caused by described magnetic ball float lifting, and be converted into electric signal output.
Preferably, described lower communicating tube is communicated with the bottom of the housing of described compressor.
Preferably, the case weld of described upper communicating pipe, described lower communicating tube and described compressor seals.
Owing to employing above technology, communication type liquid level sensor of the present utility model and there is this liquid level sensor compressor by having set up a liquid storage space be connected with measured target, based on the principle of linker, liquid level in liquid storage space is consistent with the liquid level in measured target, so, the liquid level in measured target can be known by the liquid level detected in liquid storage space, the space that compressor is inner narrow need not be taken; Further, the magneto-dependent sensor assembly in the utility model is not immersed in lubricating oil, detachable, replaceable, extends the whole service life of magnetic float liquid level sensor.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is described in detail, to make characteristic of the present utility model and advantage more obvious.
Fig. 1 is the cut-open view of magneto-dependent sensor assembly in the first communication type liquid level sensor of the present utility model;
Fig. 2 is the cut-open view of magneto-dependent sensor assembly in the second communication type liquid level sensor of the present utility model;
Fig. 3 is the cut-open view of magneto-dependent sensor assembly in the third communication type liquid level sensor of the present utility model;
Fig. 4 is the cut-open view of magneto-dependent sensor assembly in the 4th kind of communication type liquid level sensor of the present utility model;
Fig. 5 is the sectional view that communication type liquid level sensor of the present utility model is installed on bottom compressor;
Fig. 6 is sectional view when lubricant in compressor is in low oil level in Fig. 5; And
Fig. 7 is sectional view when lubricant in compressor is in high oil level in Fig. 5.
Reference numeral
1 compressor housing
2 reservoirs
3 communication type liquid level sensors
30 cylindrical shells
31 magnetic ball floats
32 mounting holes
33 bar portions
34 magnetic induction fuses
35 connection terminals
36 upper communicating pipes
37 lower communicating tubes
38 screw threads inside contract shoulder
39 communicating pipes
A liquid storage space
Embodiment
Below will provide detailed description to embodiment of the present utility model.Although the utility model will carry out setting forth and illustrating in conjunction with some embodiments, it should be noted that the utility model is not merely confined to these embodiments.On the contrary, the amendment carry out the utility model or equivalent replacement, all should be encompassed in the middle of right of the present utility model.
In addition, in order to better the utility model is described, in embodiment hereafter, give numerous details.It will be understood by those skilled in the art that do not have these details, the utility model can be implemented equally.In other example, known structure and parts are not described in detail, so that highlight purport of the present utility model.
As shown in Figure 1, communication type liquid level sensor 3 of the present utility model, comprising: cylindrical shell 30, magnetic ball float 31, mounting hole 32, magneto-dependent sensor assembly, upper communicating pipe 36 and lower communicating tube 37.
The inside of cylindrical shell 30 is provided with liquid storage space A.The profile of cylindrical shell 30 can be spheroid, right cylinder, cube or terrace with edge etc., but not as limit, also can be other shapes.In the present embodiment, cylindrical shell 30 is right cylinder.The upper surface of cylindrical shell 30 is provided with a mounting hole 32, and mounting hole 32 can be through hole, but not as limit.The liquid storage space A of cylindrical shell 30 inside is the annular space around mounting hole 32.Magnetic ball float 31 is arranged in the A of liquid storage space, is elevated with the liquid level change of liquid storage space A.Magnetic ball float 31 is the annular float around mounting hole 32, to coordinate the structure of liquid storage space A.The material of magnetic ball float 31 can be high temperature resistant, etch-proof metal material, the alloy materials or composite material etc. such as stainless steel, not as limit.
The top of cylindrical shell 30 arranges communicating pipe 36, and bottom arranges lower communicating tube 37.Be communicated with the top of liquid storage space A in cylindrical shell 30 upper communicating pipe 36.Lower communicating tube 37 is communicated with the bottom of liquid storage space A in cylindrical shell 30.Compared with prior art, the utility model has set up a liquid storage space A be connected with measured target, based on the principle of linker, liquid level in the A of liquid storage space is consistent with the liquid level in measured target, so, the liquid level in measured target can be known by the liquid level detected in the A of liquid storage space, the space that compressor is inner narrow need not be taken.
For detecting the magneto-dependent sensor assembly of the liquid level in the A of liquid storage space, comprise bar portion 33, magnetic induction fuse 34, connection terminal 35 and screw thread and inside contract shoulder 38, the one end in bar portion 33 connects magnetic induction fuse 34, other end connecting thread inside contracts the first surface of shoulder 38, and screw thread inside contracts second connection connection terminal 35 of shoulder 38.Bar portion 33 and magnetic induction fuse 34 stretch in mounting hole 32.Magnetic induction fuse 34 position be in mounting hole 32 can determine the reference level of lubricating oil.Further, by the length in adjusting lever portion 33, can require that control magnetic induction fuse 34 is in the position in mounting hole 32 according to the lubricating oil liquid level of different compressors.Such as, change a longer bar portion 33, make magnetic induction fuse 34 higher than original position, increase the reference level of adjustment lubricating oil; Or, inside contracted the screw thread of shoulder 38 by precession or back-out screw thread, also can finely tune the position of magnetic induction fuse 34 in mounting hole 32, to adjust the reference level of lubricating oil, but not as limit.Screw thread inside contracts shoulder 38 and is removably bolted in mounting hole 32, and magnetic induction fuse 34 detects and is elevated by magnetic ball float 31 and the magnetic field position signal that causes, and is converted into electric signal and exports.Owing to sealing between the mounting hole 32 of communication type liquid level sensor 3 and liquid storage space A, mounting hole 32 inside does not have lubricating oil, can adequately protect like this and be contained in the magnetic induction fuse 34 of mounting hole 32 inside, extends the whole service life of magnetic float liquid level sensor.
As shown in Figure 2, in a change case, mounting hole 32 can be half through hole, and other technologies feature is consistent with the communication type liquid level sensor 3 shown in Fig. 1, repeats no more herein.
As shown in Figure 3, in a change case, between upper communicating pipe 36 and lower communicating tube 37, be also provided with two communicating pipe 39, be communicated with the middle part of liquid storage space A in cylindrical shell 30.This structure is the pipeline by increasing on differing heights in cylindrical shell 30 between liquid storage space A and measured target, to make liquid storage space A in cylindrical shell 30 consistent all the time with the liquid level in measured target, avoid communicating pipe less or comparatively thin and in the cylindrical shell 30 that causes the level change of liquid storage space A lag behind the problem of measured target.Other technologies feature is consistent with the communication type liquid level sensor 3 shown in Fig. 1, repeats no more herein.
As shown in Figure 4, in another change case, bar portion 33 and magnetic induction fuse 34 stretch in mounting hole 32 from the below of mounting hole 32, screw thread inside contracts the lower end that shoulder 38 is screwed onto mounting hole 32, equally, the position be in mounting hole 32 by magnetic induction fuse 34 determines the reference level of lubricating oil equally.Other technologies feature is consistent with the communication type liquid level sensor 3 shown in Fig. 1, repeats no more herein.
As shown in Figure 5, the utility model also provides a kind of compressor with above-mentioned communication type liquid level sensor 3, and reservoir 2 is connected to compressor housing 1.Lubricating oil is carried in the bottom of this compressor housing 1, communication type liquid level sensor 3 37 is communicated with compressor respectively by lower communicating tube of upper communicating pipe 36, the liquid storage space A of communication type liquid level sensor 3 and compressor form linker, lubricating oil in compressor imports in the liquid storage space A of communication type liquid level sensor 3, magnetic ball float 31 is elevated with the liquid level change of lubricant in compressor, the magnetic induction fuse 34 of magneto-dependent sensor assembly detects and is elevated by magnetic ball float 31 and the magnetic field position signal that causes, and is converted into electric signal and exports.Lower communicating tube 37 is communicated with the bottom of compressor housing 1, lubricant in compressor lowest part can be detected.Upper communicating pipe 36 lower communicating tube 37 with compressor housing 1 welded seal, with Leakage prevention.
Because magneto-dependent sensor assembly stretches in mounting hole 32 in the mode be spirally connected with mounting hole 32, thus when initially installing, be convenient to the position requiring to regulate magnetic induction fuse 34 according to the lubricating oil liquid level of different compressors, and when magnetic induction fuse 34 breaks down, magneto-dependent sensor assembly can also be screwed out easily, the magnetic induction fuse 34 easily broken down is overhauled, or directly replaces another good magneto-dependent sensor assembly.
Adopt communication type liquid level sensor 3 of the present utility model when compressor operating, as shown in Figure 6, if the lubricating oil liquid level in compressor declines, magnetic ball float 31 declines with lubricating oil liquid level, now, the magnetic induction fuse 34 of magneto-dependent sensor assembly detects magnetic field position signal, and the electric signal being converted into the liquid level representing lubricating oil exports.Magnetic ball float 31 drop to certain altitude time can be stopped spacing by the bottom of liquid storage space A.
As shown in Figure 7, if the lubricating oil liquid level in compressor rises, magnetic ball float 31 rises with lubricating oil liquid level, and now, the magnetic induction fuse 34 of magneto-dependent sensor assembly detects magnetic field position signal, and the electric signal being converted into the liquid level representing lubricating oil exports.Magnetic ball float 31 rise to certain altitude time can be spacing by the top barrier of liquid storage space A.
Compressor of the present utility model can also arrange alarm unit, the signal of the magnetic induction fuse 34 of alarm unit monitoring magneto-dependent sensor assembly, reports to the police when lubricating oil liquid level (the lubricating oil reference liquid level relative to magnetic induction fuse 34 determines) is too high or too low.
In summary, communication type liquid level sensor of the present utility model and there is this liquid level sensor compressor by having set up a liquid storage space be connected with measured target, based on the principle of linker, liquid level in liquid storage space is consistent with the liquid level in measured target, so, the liquid level in measured target can be known by the liquid level detected in liquid storage space, the space that compressor is inner narrow need not be taken; Further, the magneto-dependent sensor assembly in the utility model is not immersed in lubricating oil, detachable, replaceable, extends the whole service life of magnetic float liquid level sensor.
Claims (10)
1. a communication type liquid level sensor, is characterized in that, comprising:
One cylindrical shell (30), its inside is provided with liquid storage space;
One magnetic ball float (31), is arranged in described liquid storage space, is elevated with the liquid level change in described liquid storage space;
One mounting hole (32), is arranged on described cylindrical shell (30) upper surface or lower surface;
One magneto-dependent sensor assembly, comprise bar portion (33), magnetic induction fuse (34) and connection terminal (35), one end of described bar portion (33) connects described magnetic induction fuse (34), the other end connects described connection terminal (35), and described bar portion (33) and magnetic induction fuse (34) stretch in described mounting hole (32);
One upper communicating pipe (36), be communicated with the top in the interior liquid storage space of described cylindrical shell (30); And
One lower communicating tube (37), is communicated with the bottom in the interior liquid storage space of described cylindrical shell (30);
The magnetic induction fuse (34) of described magneto-dependent sensor assembly detects the magnetic field position signal caused by described magnetic ball float (31) lifting, and is converted into electric signal output.
2. communication type liquid level sensor as claimed in claim 1, is characterized in that, the liquid storage space of described cylindrical shell (30) inside is the annular space around described mounting hole (32).
3. communication type liquid level sensor as claimed in claim 2, it is characterized in that, described magnetic ball float (31) is the annular float around described mounting hole (32).
4. communication type liquid level sensor as claimed in claim 1, it is characterized in that, described magneto-dependent sensor assembly also comprises a screw thread be arranged between described connection terminal (35) and bar portion (33) and inside contracts shoulder (38), and described screw thread inside contracts shoulder (38) and is removably bolted in described mounting hole (32).
5. communication type liquid level sensor as claimed in claim 1, it is characterized in that, described mounting hole (32) is through hole.
6. communication type liquid level sensor as claimed in claim 1, it is characterized in that, described mounting hole (32) is half through hole.
7. communication type liquid level sensor as claimed in claim 1, it is characterized in that, also comprise some communicating pipes (39), be positioned between described upper communicating pipe (36) and lower communicating tube (37), be communicated with the middle part in the interior liquid storage space of described cylindrical shell (30).
8. a compressor, lubricating oil is carried in the bottom of this compressor, it is characterized in that, comprise the communication type liquid level sensor according to any one of claim 1 to 7, described communication type liquid level sensor is at least by described upper communicating pipe (36) being communicated with described compressor respectively with lower communicating tube (37), linker is formed in the liquid storage space of described communication type liquid level sensor and described compressor, lubricating oil in described compressor imports in the liquid storage space of described communication type liquid level sensor, described magnetic ball float (31) is elevated with the liquid level change of described lubricant in compressor, the magnetic induction fuse (34) of described magneto-dependent sensor assembly detects the magnetic field position signal caused by described magnetic ball float (31) lifting, and be converted into electric signal output.
9. compressor as claimed in claim 8, it is characterized in that, described lower communicating tube (37) is communicated with the bottom of the housing (1) of described compressor.
10. as claimed in claim 8 or 9 compressor, is characterized in that, housing (1) welded seal of described upper communicating pipe (36), described lower communicating tube (37) and described compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520043332.8U CN204422025U (en) | 2015-01-22 | 2015-01-22 | Communication type liquid level sensor and there is the compressor of this liquid level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520043332.8U CN204422025U (en) | 2015-01-22 | 2015-01-22 | Communication type liquid level sensor and there is the compressor of this liquid level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204422025U true CN204422025U (en) | 2015-06-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520043332.8U Expired - Fee Related CN204422025U (en) | 2015-01-22 | 2015-01-22 | Communication type liquid level sensor and there is the compressor of this liquid level sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN204422025U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004403A (en) * | 2015-07-21 | 2015-10-28 | 上海日立电器有限公司 | Compressor and liquid level sensor thereof |
| CN107478294A (en) * | 2017-09-18 | 2017-12-15 | 神华集团有限责任公司 | Groundwater reservoir Level monitor and method |
| CN108387299A (en) * | 2018-05-25 | 2018-08-10 | 河南三绅电子科技有限公司 | A kind of liquid level sensor with the shell shaft shoulder and equal discharge orifice |
| CN109332035A (en) * | 2018-11-01 | 2019-02-15 | 佛山科学技术学院 | A kind of convenient and fast sprayer |
| CN109433456A (en) * | 2018-11-01 | 2019-03-08 | 佛山科学技术学院 | A kind of sprayer of comfort and convenient |
-
2015
- 2015-01-22 CN CN201520043332.8U patent/CN204422025U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004403A (en) * | 2015-07-21 | 2015-10-28 | 上海日立电器有限公司 | Compressor and liquid level sensor thereof |
| CN105004403B (en) * | 2015-07-21 | 2018-06-26 | 上海海立电器有限公司 | A kind of compressor and its liquid level sensor |
| CN107478294A (en) * | 2017-09-18 | 2017-12-15 | 神华集团有限责任公司 | Groundwater reservoir Level monitor and method |
| CN107478294B (en) * | 2017-09-18 | 2019-07-30 | 神华集团有限责任公司 | Groundwater reservoir water level monitoring device and method |
| CN108387299A (en) * | 2018-05-25 | 2018-08-10 | 河南三绅电子科技有限公司 | A kind of liquid level sensor with the shell shaft shoulder and equal discharge orifice |
| CN109332035A (en) * | 2018-11-01 | 2019-02-15 | 佛山科学技术学院 | A kind of convenient and fast sprayer |
| CN109433456A (en) * | 2018-11-01 | 2019-03-08 | 佛山科学技术学院 | A kind of sprayer of comfort and convenient |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 201206 Jinqiao Road, Pudong New Area Jinqiao Export Processing Zone, Shanghai, 1051 Patentee after: SHANGHAI HIGHLY ELECTRICAL APPLIANCES Co.,Ltd. Address before: 201206 Pudong New Area Jinqiao Export Processing Zone, Nanjing Road, No. 888, Shanghai Patentee before: SHANGHAI HITACHI ELECTRICAL APPLICANCES Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |