CN206523126U - Drawing-Core magnetostrictive displacement sensor - Google Patents
Drawing-Core magnetostrictive displacement sensor Download PDFInfo
- Publication number
- CN206523126U CN206523126U CN201720143863.3U CN201720143863U CN206523126U CN 206523126 U CN206523126 U CN 206523126U CN 201720143863 U CN201720143863 U CN 201720143863U CN 206523126 U CN206523126 U CN 206523126U
- Authority
- CN
- China
- Prior art keywords
- outer tube
- electronics storehouse
- core
- displacement sensor
- magnetostrictive displacement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 26
- 230000006698 induction Effects 0.000 claims abstract description 15
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 230000002411 adverse Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Abstract
The utility model discloses Drawing-Core magnetostrictive displacement sensor, including measurement bar and electronics storehouse；Measurement bar includes outer tube and the core pipe mutually socket-connected, the drawable outer tube of core pipe；It is provided with core pipe on waveguide filament, outer tube and is arranged with slidable magnet ring；Core pipe one end is fixed in electronics storehouse, and the other end is installed on outer tube；Electronics storehouse is provided with externally threaded connector, and outer tube one end is provided with internal thread, and the electronics storehouse and outer tube are connected through a screw thread；Circuit board and induction coil are provided with electronics storehouse, described waveguide filament one end is connected on circuit board, the maincenter lead for extending to induction coil is additionally provided with waveguide filament, the induction coil connects circuit board.Above-mentioned magnetostrictive displacement sensor, when being safeguarded, it is only necessary to core pipe and electronics storehouse are extracted out and changed, whole sensor need not be dismantled, simple and convenient, client oneself can complete, it need not send someone to carry out, while being not in the leakage of refrigerant, it is to avoid cause to waste.
Description
Technical field
The utility model is related to displacement transducer, particularly a kind of Drawing-Core magnetostrictive displacement sensor.
Background technology
At present, the evaporator refrigerant level gauging of field of central air-conditioning is mainly carried out using magnetic scale, air-conditioner set evaporator
Level gauging is generally provided with bypass pipe, and liquid level sensor is then on bypass pipe.Due to the narrow space of bypass pipe, therefore will
Ask the volume of magnetic scale can not be excessive.In addition, existing magnetic scale typically uses unitary design, it is fixedly mounted on bypass pipe, tears open
, easily there is the leakage of refrigerant during replacing in dress trouble, causes to waste.
Utility model content
The utility model is intended at least solve one of above-mentioned technical problem in correlation technique to a certain extent.Therefore,
The utility model proposes a kind of Drawing-Core magnetostrictive displacement sensor, the critical piece of sensor is connected to drawable core pipe
On, it is to avoid the trouble of dismounting.
The utility model solves the technical scheme that its technical problem used：
Drawing-Core magnetostrictive displacement sensor, including measurement bar and electronics storehouse；The measurement bar includes what is mutually socket-connected
Outer tube and core pipe, the drawable outer tube of core pipe；It is provided with the core pipe on waveguide filament, outer tube and is arranged with slidable magnet ring；Institute
State core pipe one end to be fixed in electronics storehouse, the other end is installed on outer tube；The electronics storehouse is provided with externally threaded connection
Head, described outer tube one end is provided with internal thread, and the electronics storehouse and outer tube are connected through a screw thread；Electricity is provided with the electronics storehouse
Road plate and induction coil, described waveguide filament one end are connected on circuit board, are additionally provided with waveguide filament and are extended to induction coil
Maincenter lead, the induction coil connects circuit board.
The operation principle of magnetostrictive displacement sensor of the present utility model is：When working sensor, in circuit board
Electronic circuit produce an initial pulse, when this initial pulse is transmitted in waveguide filament, while producing one along before waveguide filament direction
The rotating excitation field entered, when the permanent-magnetic field in this magnetic field and magnet ring meets, produces magnetostrictive effect, makes waveguide filament
Twisting, produces the strain mechanical pulsing of a velocity of sound, and this pulse is installed in the line of induction in electronics storehouse by maincenter lead
Circle is perceived and is converted into corresponding current impulse, and the time difference between two pulses is calculated by electronic circuit, you can accurate
Measure tested displacement.
As the improvement of above-mentioned technical proposal, the electronics storehouse includes the shell being made of metal, and electronics is also set in storehouse
Metal screen layer is equipped with, the circuit board and induction coil are located in metal screen layer.The shell in electronics storehouse is preferably aluminum
There is provided the first heavy shield effectiveness for housing；Metal screen layer in electronics storehouse provides the second heavy shield effectiveness.The utility model
Drawing-Core magnetostrictive displacement sensor there is dual shield effect, strong antijamming capability can be suitably used for adverse circumstances.
Further, the outer tube is made of metal, the core pipe include being set in outside waveguide filament with shield effectiveness
Inner tube.
Further, the waveguide filament end is provided with silica gel strip.
Further, the silica gel strip connects circuit board by high temperature seal wire.
Further, the waveguide filament is coated with glass fiber hose, and glass fiber hose is protected to waveguide filament.
Further, the outer tube is provided with hexagonal base, the hexagonal base and electronics storehouse with one end that electronics storehouse is connected
Between be provided with sealing ring.
Further, the one end of the outer tube away from electronics storehouse is provided with plug.
Further, it is provided with Aviation Connector on the electronics storehouse.
The beneficial effects of the utility model are：
Above-mentioned magnetostrictive displacement sensor uses Drawing-Core structure, and electronics storehouse is arranged on outside measurement bar, and with core pipe phase
Connection, when being safeguarded, it is only necessary to core pipe and electronics storehouse are extracted out and changed, without whole sensor is dismantled, letter
Just, client oneself can complete folk prescription, be carried out without sending someone, while being not in the leakage of refrigerant, it is to avoid cause to waste.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is internal structure schematic diagram of the present utility model.
Fig. 2 is top view of the present utility model.
Embodiment
The Drawing-Core magnetostrictive displacement sensor provided referring to figs. 1 to Fig. 2, the utility model, including measurement bar 1 and electricity
Sub- storehouse 6.The measurement bar 1 includes outer tube 2 and the core pipe 3 mutually socket-connected.The outer tube 2 is that the cylindrical type being made of metal is led to
Pipe, can improve and slidable magnet ring 4 is arranged with the effect of shielding, outer tube 2, the core pipe 3 is arranged on inside outer tube 2, outer tube 2
One end is connected through a screw thread electronics storehouse 6, and outer tube 2 is provided with hexagonal base 5, the hexagonal base 5 with one end that electronics storehouse 6 is connected
Sealing ring 8 is provided between electronics storehouse 6；The other end of outer tube 2 is provided with plug 21.Waveguide filament is provided with the core pipe 3
31, waveguide filament 31 is coated with outside the glass fiber hose 32 for being protected, the glass fiber hose 32 and is additionally provided with
Inner tube 33, inner tube 33 is preferred to use metal making, brings the second heavy shield effectiveness；The one end of waveguide filament 31 connection electronics storehouse 6
Interior element, the other end of waveguide filament 31 is provided with silica gel strip 34, and silica gel strip 34 connects circuit board 65 by high temperature seal wire 35.It is described
Core pipe 3 is installed in outer tube 2 and drawable outer tube 2.
The electronics storehouse 6 is provided with externally threaded connector 62, and described one end of outer tube 2 is provided with internal thread, the electricity
Sub- storehouse 6 and outer tube 2 are connected through a screw thread；Circuit board 65 and induction coil 66, the waveguide filament 31 are provided with the electronics storehouse 6
One end is connected on circuit board 65, and the maincenter lead 67 for extending to induction coil 66, the sensing are additionally provided with waveguide filament 31
Coil 66 connects and Aviation Connector 7 is provided with circuit board 65, the electronics storehouse 6, and circuit board 65 connects dispatch from foreign news agency by Aviation Connector 7
Road.The electronics storehouse 6 also includes the shell 61 being made of metal, the shell 61 in electronics storehouse 6 be preferably aluminum housing there is provided
The first heavy shield effectiveness；Metal screen layer 64 is additionally provided with electronics storehouse 6, the circuit board 65 and induction coil 66 pass through bottom
Seat 63 is arranged in metal screen layer 64, and metal screen layer 64 provides the second heavy shield effectiveness.It is of the present utility model Drawing-Core
Magnetostrictive displacement sensor has dual shield effect, and strong antijamming capability can be suitably used for adverse circumstances.Further, base
Pad 68 is provided between 63 and shell 1.
The operation principle of magnetostrictive displacement sensor of the present utility model is：When working sensor, in circuit board
Electronic circuit produce an initial pulse, when this initial pulse is transmitted in waveguide filament, while producing one along before waveguide filament direction
The rotating excitation field entered, when the permanent-magnetic field in this magnetic field and magnet ring meets, produces magnetostrictive effect, makes waveguide filament
Twisting, produces the strain mechanical pulsing of a velocity of sound, and this pulse is installed in the line of induction in electronics storehouse by maincenter lead
Circle is perceived and is converted into corresponding current impulse, and the time difference between two pulses is calculated by electronic circuit, you can accurate
Measure tested displacement.
Magnetostrictive displacement sensor of the present utility model uses Drawing-Core structure, and during installation, outer tube 2 is fixed on bypass pipe
On, core pipe 3 is plugged on inside outer tube 2, and electronics storehouse 6 is fixedly connected with core pipe 3, and is threadedly attached on outer tube 2.Carrying out
When safeguarding, electronics storehouse 6 only need to be turned on, electronics storehouse 6 and the core pipe ined succession 3 are extracted out and changed, without whole sensor
Dismounting, simple and convenient, client oneself can complete, and be carried out without sending someone, while being not in the leakage of refrigerant, it is to avoid cause wave
Take.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected to by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can in any way combine, unless specifically stated otherwise, can be equivalent by other or have
The alternative features of similar purpose are replaced, i.e. unless specifically stated otherwise, during each feature is a series of equivalent or similar characteristics
One embodiment.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (9)
1. Drawing-Core magnetostrictive displacement sensor, it is characterised in that：Including measurement bar（1）With electronics storehouse（6）；The measurement bar
（1）Including the outer tube mutually socket-connected（2）And core pipe（3）, core pipe（3）Drawable outer tube（2）；The core pipe（3）Inside it is provided with ripple
Seal wire（31）, outer tube（2）On be arranged with slidable magnet ring（4）；The core pipe（3）One end is fixed on electronics storehouse（6）It is interior, it is another
End is installed on outer tube（2）It is internal；The electronics storehouse（6）It is provided with externally threaded connector（62）, the outer tube（2）One end is set
It is equipped with internal thread, the electronics storehouse（6）And outer tube（2）It is connected through a screw thread；The electronics storehouse（6）Inside it is provided with circuit board（65）
And induction coil（66）, the waveguide filament（31）One end is connected to circuit board（65）On, waveguide filament（31）On be additionally provided with extension
To induction coil（66）Maincenter lead（67）, the induction coil（66）Connect circuit board（65）.
2. Drawing-Core magnetostrictive displacement sensor according to claim 1, it is characterised in that：The electronics storehouse（6）Bag
Include the shell being made of metal（61）, electronics storehouse（6）Inside it is additionally provided with metal screen layer（64）, the circuit board（65）And sense
Answer coil（66）Positioned at metal screen layer（64）It is interior.
3. Drawing-Core magnetostrictive displacement sensor according to claim 1, it is characterised in that：The outer tube（2）Using
Metal is made, the core pipe（3）Including being set in waveguide filament（31）The outer inner tube with shield effectiveness（33）.
4. Drawing-Core magnetostrictive displacement sensor according to claim 1, it is characterised in that：The waveguide filament（31）End
End is provided with silica gel strip（34）.
5. Drawing-Core magnetostrictive displacement sensor according to claim 4, it is characterised in that：The silica gel strip（34）It is logical
Cross high temperature seal wire（35）Connect circuit board（65）.
6. Drawing-Core magnetostrictive displacement sensor according to claim 1, it is characterised in that：The waveguide filament（31）Outside
It is coated with glass fiber hose（32）.
7. Drawing-Core magnetostrictive displacement sensor according to claim 1, it is characterised in that：The outer tube（2）With electricity
Sub- storehouse（6）One end of connection is provided with hexagonal base（5）, the hexagonal base（5）With electronics storehouse（6）Between be provided with sealing ring
（8）.
8. Drawing-Core magnetostrictive displacement sensor according to claim 1, it is characterised in that：The outer tube（2）It is remote
Electronics storehouse（6）One end be provided with plug（21）.
9. Drawing-Core magnetostrictive displacement sensor according to claim 1, it is characterised in that：The electronics storehouse（6）On
It is provided with Aviation Connector（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720143863.3U CN206523126U (en) | 2017-02-16 | 2017-02-16 | Drawing-Core magnetostrictive displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720143863.3U CN206523126U (en) | 2017-02-16 | 2017-02-16 | Drawing-Core magnetostrictive displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206523126U true CN206523126U (en) | 2017-09-26 |
Family
ID=59892693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720143863.3U Active CN206523126U (en) | 2017-02-16 | 2017-02-16 | Drawing-Core magnetostrictive displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206523126U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680092A (en) * | 2018-04-27 | 2018-10-19 | 中国计量大学 | A kind of ferrite magnetostrictive displacement sensor |
| CN112710218A (en) * | 2020-12-15 | 2021-04-27 | 北京特倍福电子技术有限公司 | Compact redundant built-in magnetostrictive displacement sensor |
| CN116518838A (en) * | 2023-07-05 | 2023-08-01 | 广东润宇传感器股份有限公司 | Displacement sensor based on low-temperature drift compensation and use method |
-
2017
- 2017-02-16 CN CN201720143863.3U patent/CN206523126U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680092A (en) * | 2018-04-27 | 2018-10-19 | 中国计量大学 | A kind of ferrite magnetostrictive displacement sensor |
| CN112710218A (en) * | 2020-12-15 | 2021-04-27 | 北京特倍福电子技术有限公司 | Compact redundant built-in magnetostrictive displacement sensor |
| CN116518838A (en) * | 2023-07-05 | 2023-08-01 | 广东润宇传感器股份有限公司 | Displacement sensor based on low-temperature drift compensation and use method |
| CN116518838B (en) * | 2023-07-05 | 2023-10-20 | 广东润宇传感器股份有限公司 | Displacement sensor based on low-temperature drift compensation and use method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206523126U (en) | Drawing-Core magnetostrictive displacement sensor | |
| CN203117299U (en) | Integrative sensor for monitoring dielectric loss of power transformer bushing | |
| CN209802571U (en) | Pressure transmitter | |
| CN103196498B (en) | Online induction type vortex shedding flow meter of more remodeling | |
| CN202757650U (en) | Steam screw-in vortex flowmeter | |
| CN103234588B (en) | Online stealthy inductive flowmeter of more remodeling | |
| CN206019563U (en) | Magnetostrictive displacement sensor and be suitable for displacement measuring device | |
| CN205280159U (en) | Intelligent electromagnetic flowmeter | |
| CN208736503U (en) | A kind of explosion-suppression and intrinsic safety formula ultrasonic flow sensor | |
| CN201331360Y (en) | New type wigan sensor | |
| CN201635719U (en) | Downhole instrument pressure equalizer | |
| CN207649725U (en) | A kind of liquid level sensor | |
| CN205940587U (en) | Oil -immersed transformer oil level temperature pressure integral type sensor | |
| CN202255476U (en) | Electromagnetic type vortex shedding flowmeter | |
| CN214149446U (en) | Non-magnetic water meter pulse signal remote detection device | |
| CN205015018U (en) | Adopt noncontacting proximity sensor's flowmeter | |
| CN204694394U (en) | A kind of pressure test device of strong interference immunity | |
| CN103728010A (en) | System and method for detecting vibration | |
| CN207850279U (en) | A kind of compact magnetostrictive displacement sensor | |
| CN202329800U (en) | Vibration sensor | |
| CN203177902U (en) | Online replacing type concealed induction flow meter | |
| CN207625779U (en) | A kind of microphone fixed structure | |
| CN106092308A (en) | Novel electric power transformator oscillation real time monitoring device | |
| CN205940636U (en) | Multi -functional hall current sensor | |
| CN201464605U (en) | High-sensitivity local-discharge location ultrasonic sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Formula of loosing core magnetostrictive displacement sensor Effective date of registration: 20200602 Granted publication date: 20170926 Pledgee: Bank of Guangzhou Limited by Share Ltd. Jiangmen branch Pledgor: JIANGMEN RUNYU SENSOR TECHNOLOGY Co.,Ltd. Registration number: Y2020980002706 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221226 Granted publication date: 20170926 Pledgee: Bank of Guangzhou Limited by Share Ltd. Jiangmen branch Pledgor: JIANGMEN RUNYU SENSOR TECHNOLOGY CO.,LTD. Registration number: Y2020980002706 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: No. 11 Bei'an North Road, Huicheng, Xinhui District, Jiangmen City, Guangdong Province, 529100 Patentee after: Guangdong Runyu Sensor Co.,Ltd. Country or region after: China Address before: No. 11 Bei'an North Road, Huicheng, Xinhui District, Jiangmen City, Guangdong Province, 529100 Patentee before: JIANGMEN RUNYU SENSOR TECHNOLOGY CO.,LTD. Country or region before: China |
|
| CP03 | Change of name, title or address |