CN209460107U - Oil liquid abrasive grain monitors inductance sensor testing stand on-line - Google Patents
Oil liquid abrasive grain monitors inductance sensor testing stand on-line Download PDFInfo
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- CN209460107U CN209460107U CN201821672960.2U CN201821672960U CN209460107U CN 209460107 U CN209460107 U CN 209460107U CN 201821672960 U CN201821672960 U CN 201821672960U CN 209460107 U CN209460107 U CN 209460107U
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- traveller
- coil
- excitation coil
- induction coil
- protective hood
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Abstract
The utility model relates to a kind of oil liquid abrasive grains to monitor inductance sensor testing stand on-line comprising pedestal is provided with sliding rail on pedestal, and sliding rail both ends are respectively arranged with column, and sliding is provided with traveller on the sliding rail between two columns；The coils protective hood of tubular is provided at the top of column, the setting of coils protective hood bottom is fluted；Induction coil is provided at the top of intermediate traveller, excitation coil is respectively arranged at the top of the traveller of two sides, induction coil and excitation coil pass through the conducting wire on respective traveller and connect with the signal processing unit being mounted in pedestal, signal processing unit and upper mechatronics；Induction coil and excitation coil are respectively positioned in coils protective hood, are located at coils protective hood side, and the console for installing control motor is provided on pedestal；Plastic conduit one end is connect with control motor, and the other end passes through excitation coil, induction coil and excitation coil；It is provided at different location on plastic conduit several for installing the groove of abrasive grain.
Description
Technical field
The utility model relates to a kind of oil liquid abrasive grain on-line monitoring technique fields, are used for oil liquid abrasive grain especially with regard to one kind
The inductance sensor testing stand of on-line monitoring.
Background technique
Abrasion is one of the principal element of component of machine failure, and wear particle is monitoring wear process and diagnosis abrasion
The information word the most direct of failure type.Statistics both domestic and external show that 70% hydraulic machinery failure is derived from oil liquid
Particle contamination.To the metallic wear particles in oil liquid carry out on-line monitoring have become reduce hydraulic system fault important channel it
One.Therefore, can oil liquid abrasive grain on-line monitoring sensor, which operate normally, determines that can hydraulic machinery work with security and stability.
Inductance measurement is provided simultaneously with grain count at present and particle material distinguishes two kinds of features, has not vulnerable to ambient temperature
The advantages that interference of variation and vibration, interference not vulnerable to bubble in oil liquid and impurity, receive oil liquid detection technical field
Extensive concern and approval.And inductance type transducer is during research and development, due to often will to inductance sensor coil turn and
Sensor structure is adjusted.Existing method is that each adjustment requires to remake new coil, could be right after having assembled
Sensor is studied.This mode needs to take a substantial amount of time production coil, and cost of manufacture is higher.Due to every time again around
The coil of system not can guarantee error, lead to experimental result also due to coiling error and generate deviation.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of on-line monitoring inductance sensor tests of oil liquid abrasive grain
Platform, it is simple to operate, inductance sensor can be monitored on-line to abrasive grain and carry out modularization decomposition, only needed in the course of the study
Module is adjusted to achieve the effect that change sensor parameters.
To achieve the above object, the utility model takes following technical scheme: a kind of oil liquid abrasive grain on-line monitoring inductance biography
Sensor testing stand, it is characterised in that: the testing stand includes console, control motor, column, excitation coil, induction coil, signal
Processing unit, traveller, coils protective hood, plastic conduit, pedestal and host computer；Sliding rail, the cunning are provided on the pedestal
Rail both ends are respectively arranged with a column, and sliding is provided with the cunning on the sliding rail between two columns
Column, the traveller are set as three；It is provided with the coils protective hood of tubular at the top of two columns, is protected in the coil
Cover bottom is provided with and the matched groove of the traveller；It is located in the middle at the top of the traveller and is provided with the induction coil, position
It is respectively arranged with the excitation coil at the top of the traveller of two sides, the induction coil and excitation coil pass through respective institute
The conducting wire stated on traveller is connect with the signal processing unit being mounted in the pedestal, the signal processing unit with it is described
Upper mechatronics；The induction coil and excitation coil are respectively positioned in the coils protective hood, are located at the coils protective hood
Side is provided with the console for installing the control motor on the base；Described plastic conduit one end with
The control motor connection, the plastic conduit other end pass through the excitation coil, induction coil and excitation coil；It is located at
It is provided at different location on the plastic conduit several for installing the groove of abrasive grain.
Further, the slide plate circuit of copper work is provided in the guide rail.
Further, the signal processing unit is connect with the guide rail on the pedestal, then by the base rail
The slide plate circuit enable the signal processing unit respectively with the excitation coil and sense that are placed on three travellers
Coil is answered to connect.
Further, three traveller upper ends can free more emat coil, and be arranged in the excitation coil and the line of induction
Coil case clamping in circle, and contacted with the coil case in a same position.
Because the utility model adopts the above technical scheme, it has the following advantages: the utility model grinds multiple standards
Grain is mounted in the groove of plastic conduit, changes the distance between coil by traveller, and has control motor to adjust rigid plastics
Revolving speed of the pipe in excitation coil and induction coil is handled collected signal by host computer, is realized online to abrasive grain
It monitors inductance sensor and carries out modularization decomposition, it is simple to operate.The utility model can be in sensor parameters to inductance type
In sensor performance affecting laws and variable grain passes through answer in the Research on Wear Characteristics of inductance sensor in different forms
With.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the utility model provides a kind of oil liquid abrasive grain on-line monitoring inductance sensor testing stand comprising bottom
Seat 1, column 2, traveller 3, coils protective hood 4, induction coil 5, excitation coil 6, signal processing unit 7, host computer 8, control electricity
Machine 9, console 10 and plastic conduit 11.
Sliding rail is provided on pedestal 1, sliding rail both ends are respectively arranged with a column 2, on the sliding rail between two columns 2
Sliding is provided with traveller 3, and traveller 3 can be set to three, and three travellers 3 are spaced set.Cylinder is provided at the top of two columns 2
The coils protective hood 4 of shape, coils protective hood 4 are arranged in parallel with pedestal 1, and are provided with and traveller 3 in 4 bottom of coils protective hood
The groove matched, so as to clamping fixed traveller 3.It is located in the middle at the top of traveller 3 and is provided with induction coil 5, the traveller 3 positioned at two sides
Top is respectively arranged with excitation coil 6, and induction coil 5 and excitation coil 6 by the conducting wire on respective traveller 3 and are mounted on bottom
Signal processing unit 7 in seat 1 connects, and signal processing unit 7 is electrically connected with host computer 8.Induction coil 5 and excitation coil 6 are equal
In coils protective hood 4, it is located at 4 side of coils protective hood, is provided on pedestal 1 for controlling and installing control motor 9
Console 10；11 one end of plastic conduit is connect with control motor 9, controls its revolving speed and process, hard modeling by control motor 9
11 other end of expects pipe is threaded through in coils protective hood 4, and sequentially passes through excitation coil 6, induction coil 5 and excitation coil 6.It is located at
It is provided at different location on plastic conduit 11 several for installing the groove of abrasive grain.
In above-described embodiment, be provided in guide rail copper work slide plate circuit, though make traveller 3 which position all
It can be connected with guide rail, to be connect with the signal processing unit 7 inside pedestal 1.
In above-described embodiment, two excitation coils 6 are excitation coil in parallel, provide sinusoidal friendship by signal processing unit 7
Galvanic electricity excitation, induction coil 5 can produce inductive signal, by signal processing unit 7 be uploaded to after signal processing host computer 8 into
The acquisition of row data.
In the various embodiments described above, signal processing unit 7 is arranged inside pedestal 1, connect with the guide rail on pedestal 1, then lead to
The slide plate circuit crossed on 1 guide rail of pedestal enable signal processing unit 7 respectively with the excitation coil 6 being placed on three travellers 3 and
Induction coil 5 connects.
In the various embodiments described above, three 3 upper ends of traveller can free more emat coil, and with setting in excitation coil 6 and induction
Coil case clamping in coil 5, and traveller is contacted with coil case in a same position when each more emat coil, with
Guarantee that the relative position of traveller and coil is unified when more emat coil.Conducting wire and coil when with coil case clamping, on traveller 3
The coil wound on shell is connected, and 3 lower end of traveller can freely be slided on guide rail and be kept for the moment connect with the slide plate on guide rail,
In this way, can make in the case where replacing excitation coil 6, induction coil 5 and arbitrarily changing 3 position of traveller, at signal
Reason unit 7 still can be easily connected to three coils.
In the various embodiments described above, coils protective hood 4 replaceable excitation coil 6 and induction coil 5 when opening change traveller 3
Position, when coils protective hood 4 is closed, coil and traveller 3 are clamped, and coils protective hood 4 plays positioning and protection at this time
Effect.
In the various embodiments described above, by console 10, control motor 9, excitation coil 6, induction coil 5 and plastic conduit 11
Constitute Work condition analogue part；Adjustment module part is constituted by traveller 3, signal processing unit 7, host computer 8, coils protective hood 4.
Wherein, motor 9 Work condition analogue part: is controlled by console 10, it can be achieved that making the plastic conduit 11 with abrasive grain
Across excitation coil 6 and induction coil 5, the process that simulation abrasive grain passes through sensor may be implemented.It can by adjusting control motor 9
The speed of plastic conduit 11 is adjusted, after single end of run, needs that plastic conduit 11 is placed back into initial bit manually
It sets.
Adjustment module part: three coils are connect by the conducting wire on traveller 3 with signal processing unit 7, the sense of sensor
Induction signal then can be uploaded to host computer 8 by signal processing unit 7, analyze sensor performance using host computer 8.Edge
Guide rail on pedestal 1 directly traveller 3 can be removed, the coil of different the number of turns is wrapped in the solenoid housing of same shape size
On, it only need to be by the position that the solenoid housing for making coil is placed on three coils, by the solenoid housing phase of script when experiment
The position change of traveller 3 only need to be the distance between changeable coil by the number of turns of the i.e. changeable test coil of replacement.
In conclusion the utility model is before use, multiple standard grinds need to first be chosen, to the size, quality, material of abrasive grain
The parameters such as material are mounted in the groove of plastic conduit 11 after being recorded.Also need production for the multiple and different of replacement before experiment
The coil of the number of turns, different in width.
When being tested confirm plastic conduit 11 on standard grind, traveller position and installation coil whether just
Really, it is then turned on power supply, adjusts motor speed, plastic conduit 11 is made to pass through excitation coil 6, induction coil 5, excitation coil 6,
Signal acquisition is carried out to sensor from the signal acquisition software in host computer 8 at this time.The data of acquisition can be used for sensor more
Further investigation.Simultaneously as using the abrasive grain of normal size, data can also be used for demarcating sensor.
The various embodiments described above are merely to illustrate the utility model, and structure and size, setting position and the shape of each component are all
Can be varied, on the basis of technical solutions of the utility model, it is all according to the utility model principle to individual part into
Capable improvement and equivalents, should not exclude except the protection scope of the utility model.
Claims (4)
1. a kind of oil liquid abrasive grain monitors inductance sensor testing stand on-line, it is characterised in that: the testing stand includes console, control
Motor, column, excitation coil, induction coil, signal processing unit, traveller, coils protective hood, plastic conduit, pedestal and on
Position machine；
Sliding rail is provided on the pedestal, the sliding rail both ends are respectively arranged with a column, be located at two columns it
Between the sliding rail on sliding be provided with the traveller, the traveller is set as three；Tubular is provided at the top of two columns
The coils protective hood, be provided with and the matched groove of the traveller in the coils protective hood bottom；It is located in the middle institute
It states and is provided with the induction coil at the top of traveller, be respectively arranged with the excitation coil, institute at the top of the traveller of two sides
Induction coil and excitation coil is stated to pass through at the conducting wire on the respective traveller and the signal being mounted in the pedestal
Manage unit connection, the signal processing unit and the upper mechatronics；The induction coil and excitation coil are respectively positioned on institute
It states in coils protective hood, is located at the coils protective hood side, is provided on the base for installing the control motor
The console；Described plastic conduit one end is connect with the control motor, and the plastic conduit other end passes through institute
State excitation coil, induction coil and excitation coil；It is provided at different location on the plastic conduit several for pacifying
Fill the groove of abrasive grain.
2. testing stand as described in claim 1, it is characterised in that: be provided with the slide plate circuit of copper work in the sliding rail.
3. testing stand as claimed in claim 2, it is characterised in that: the guide rail on the signal processing unit and the pedestal connects
Connect, then by the slide plate circuit on the base rail enable the signal processing unit respectively be placed on described in three
The excitation coil on traveller is connected with induction coil.
4. testing stand as described in claim 1, it is characterised in that: three traveller upper ends can free more emat coil, and with set
The coil case clamping in the excitation coil and induction coil is set, and is carried out with the coil case in a same position
Contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672960.2U CN209460107U (en) | 2018-10-16 | 2018-10-16 | Oil liquid abrasive grain monitors inductance sensor testing stand on-line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672960.2U CN209460107U (en) | 2018-10-16 | 2018-10-16 | Oil liquid abrasive grain monitors inductance sensor testing stand on-line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209460107U true CN209460107U (en) | 2019-10-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821672960.2U Active CN209460107U (en) | 2018-10-16 | 2018-10-16 | Oil liquid abrasive grain monitors inductance sensor testing stand on-line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283119A (en) * | 2018-10-16 | 2019-01-29 | 北京信息科技大学 | A kind of oil liquid abrasive grain on-line monitoring inductance sensor testing stand |
-
2018
- 2018-10-16 CN CN201821672960.2U patent/CN209460107U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283119A (en) * | 2018-10-16 | 2019-01-29 | 北京信息科技大学 | A kind of oil liquid abrasive grain on-line monitoring inductance sensor testing stand |
| CN109283119B (en) * | 2018-10-16 | 2024-03-08 | 北京信息科技大学 | Oil abrasive particle on-line monitoring inductance sensor test bed |
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