CN208766199U - A kind of acceleration transducer - Google Patents
A kind of acceleration transducer Download PDFInfo
- Publication number
- CN208766199U CN208766199U CN201821387650.6U CN201821387650U CN208766199U CN 208766199 U CN208766199 U CN 208766199U CN 201821387650 U CN201821387650 U CN 201821387650U CN 208766199 U CN208766199 U CN 208766199U
- Authority
- CN
- China
- Prior art keywords
- acceleration transducer
- melting
- low
- layer
- point metal
- 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
Landscapes
- Pressure Sensors (AREA)
Abstract
The utility model provides a kind of acceleration transducer, is related to sensor technical field.Acceleration transducer provided by the utility model includes main body, low-melting-point metal drop, first electrode layer, the second electrode lay, triboelectrification layer, resistance, voltmeter, filter and memory, wherein, holding tank is provided on first face of main body, first electrode layer is located on the inner wall of holding tank, it is vacuum in holding tank, low-melting-point metal drop is located in holding tank, triboelectrification layer is covered on holding tank, the second electrode lay is covered on triboelectrification layer, resistance, voltmeter, filter and memory are all set on the first face of main body, resistance is connected between first electrode layer and the second electrode lay, voltmeter is in parallel with a resistor, the input terminal of filter and the output end of voltmeter connect, the output end of filter is connect with memory.The acceleration transducer of the utility model is driven without using power supply, and structure is simple, at low cost.
Description
Technical field
The utility model relates to sensor technical field more particularly to a kind of acceleration transducers.
Background technique
Now acceleration transducer is divided into piezoelectric acceleration transducer, piezoresistance type acceleration sensor, condenser type on the market
Four seed type of acceleration transducer and servo-type acceleration transducer.But the acceleration transducer of above four seed type is both needed to
It to use power supply to be driven, cause its structure complex and higher cost.In addition, piezoelectric acceleration transducer, pressure drag
Formula acceleration transducer and servo-type acceleration transducer are both needed to using special material or component, such as piezoelectric material, pressure drag material,
Gyroscope etc. further increases its cost；The structure of capacitance acceleration transducer is complex, also further increases it
Cost.
Utility model content
The utility model provides a kind of acceleration transducer, and the acceleration transducer can be made to carry out without using power supply
Driving, structure are simple, at low cost.
The utility model provides a kind of acceleration transducer, adopts the following technical scheme that
The acceleration transducer includes main body, low-melting-point metal drop, first electrode layer, the second electrode lay, rubs
Electric layer, resistance, voltmeter, filter and memory, wherein
Holding tank is provided on first face of the main body, the first electrode layer is located on the inner wall of the holding tank,
It is vacuum in the holding tank, the low-melting-point metal drop is located in the holding tank, and the triboelectrification layer is covered in institute
It states on holding tank, the triboelectrification layer insulate and when rubbing with the low-melting-point metal drop, from the low-melting-point metal
Drop obtains electronics, and the second electrode lay is covered on the triboelectrification layer, the resistance, the voltmeter, the filter
Wave device and the memory are all set on the first face of the main body, and the resistance is connected to the first electrode layer and described
Between the second electrode lay, the voltmeter and the resistor coupled in parallel, the output of the input terminal of the filter and the voltmeter
End connection, the output end of the filter are connect with the memory.
Optionally, the shape of the holding tank is hemispherical, and the interior of the holding tank is completely covered in the first electrode layer
Wall.
Optionally, the volume of the low-melting-point metal drop is V1, and the volume of the holding tank is V2, wherein V1/V2=
(0.054~0.686): 1.
Optionally, V1/V2=0.25: 1.
Optionally, the diameter of the low-melting-point metal drop is 50 microns~10 millimeters.
Optionally, the material of the triboelectrification layer is Kynoar or rubber.
Optionally, the material of the main body is acrylic resin or silica gel.
Optionally, the material of the first electrode layer is copper, silver or gold；The material of the second electrode lay is copper, silver
Or gold.
Optionally, the acceleration transducer further includes encapsulated layer, and the encapsulated layer coats the first face of the main body.
Optionally, the acceleration transducer further includes being cascadingly set on the main body along far from the main direction
The second face on the first adhesive layer, support counterdie, the second adhesive layer and release film.
The utility model provides a kind of acceleration transducer, which includes main body, low-melting-point metal liquid
Drop, first electrode layer, the second electrode lay, triboelectrification layer, resistance, voltmeter, filter and memory, wherein the of main body
Holding tank is provided on one side, first electrode layer is located on the inner wall of holding tank, is vacuum, low-melting-point metal drop in holding tank
In holding tank, triboelectrification layer is covered on holding tank, and resistance is connected between first electrode layer and the second electrode lay, electricity
Press table in parallel with a resistor, the input terminal of filter and the output end of voltmeter connect, and the output end of filter is connect with memory,
In the presence of having acceleration, low-melting-point metal drop can rise, and then rub with triboelectrification layer, and triboelectrification layer obtains
Free electron in low-melting-point metal drop is negatively charged in turn, and low-melting-point metal drop is due to being taken away free electron and then band just
Electricity, when low-melting-point metal droplets fall back, first electrode layer can be inducted due to the close generation of positively charged low-melting-point metal drop
Electric field, and then positive charge is pushed into the second electrode lay along resistance, electric current is produced between first electrode layer and the second electrode lay,
It can be obtained the size of the voltage at resistance both ends by voltmeter, filter is storable in storage after being filtered to the voltage
In device, according to the size of the size of the voltage you can get it acceleration, and then the detection to acceleration is realized, it can by the above
Know, the acceleration transducer in the utility model is driven without using power supply, and without using special material or special
Component, so that the structure of acceleration transducer is simple, at low cost.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram one of acceleration transducer provided by the embodiment of the utility model；
Fig. 2 is the process schematic one that acceleration transducer provided by the embodiment of the utility model detects acceleration；
Fig. 3 is the process schematic two that acceleration transducer provided by the embodiment of the utility model detects acceleration；
Relational graph of the Fig. 4 between acceleration provided by the embodiment of the utility model and voltage；
Fig. 5 is the structural schematic diagram two of acceleration transducer provided by the embodiment of the utility model；
Fig. 6 is the structural schematic diagram three of acceleration transducer provided by the embodiment of the utility model；
Fig. 7 is the test result figure one of acceleration transducer provided by the embodiment of the utility model；
Fig. 8 is the test result figure two of acceleration transducer provided by the embodiment of the utility model.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
It should be noted that each technical characteristic in the utility model embodiment can be mutual in the absence of conflict
In conjunction with.
The utility model embodiment provides a kind of acceleration transducer, and specifically, as shown in FIG. 1, FIG. 1 is the utility model
Embodiment provide acceleration transducer structural schematic diagram one, acceleration transducer include main body 1, low-melting-point metal drop 2,
First electrode layer 3, the second electrode lay 4, triboelectrification layer 5, resistance, voltmeter, filter and memory, wherein
Holding tank 11 is provided on first face of main body 1, first electrode layer 3 is located on the inner wall of holding tank 11, holding tank
It is vacuum in 11, low-melting-point metal drop 2 is located in holding tank 11, and triboelectrification layer 5 is covered on holding tank 11, triboelectrification
Layer 5 insulate and when rubbing with low-melting-point metal drop 2, obtains electronics from low-melting-point metal drop 2, the second electrode lay 4 covers
In on triboelectrification layer 5, resistance (not shown), voltmeter (not shown), filter (not shown) and storage
Device (not shown) is all set on the first face of main body 1, and resistance is connected between first electrode layer 3 and the second electrode lay 4,
Voltmeter is in parallel with a resistor, and the input terminal of filter and the output end of voltmeter connect, and the output end and memory of filter connect
It connects.
Certainly, those skilled in the art are necessarily appreciated that, straight with low-melting-point metal drop 2 in the acceleration transducer
The structure of contact does not adhere to low-melting-point metal necessarily, i.e. first electrode layer 3 and triboelectrification layer 5 does not adhere to low melting point
Metal.
Wherein, it is that low-melting-point metal drop 2 will not be contacted with air in holding tank 11 for the purpose of vacuum, ensure that low
The stabilization of the performance of melting point metals drop 2.
In addition, low-melting-point metal drop 2 why is selected, and the reason of non-rigid metal particle, is as follows: 1. rigid metals
When particle is hit in holding tank 11, it is likely that destroy first electrode layer 3 and triboelectrification layer 5；2. low-melting-point metal liquid
Drop 2 can deformation occurs at any time, can preferably contact with first electrode layer 3 or triboelectrification layer 5.
In the presence of having acceleration, low-melting-point metal drop 2 can rise, and then rub with triboelectrification layer 5, friction
The free electron risen in the acquisition low-melting-point metal drop 2 of electric layer 5 is negatively charged in turn, and low-melting-point metal drop 2 is due to being taken away certainly
Positively charged in turn by electronics, when low-melting-point metal drop 2 is fallen after rise, first electrode layer 3 can be due to positively charged low-melting-point metal liquid
The close generation induced electric field of drop 2, and then positive charge is pushed into the second electrode lay 4, first electrode layer 3 and the second electricity along resistance
Electric current is produced between pole layer 4, can be obtained the size of the voltage at resistance both ends by voltmeter, filter carries out the voltage
It is storable in memory after filtering, accelerates according to the size of the size of the voltage you can get it acceleration, and then to realizing
The detection of degree by the above it is found that the acceleration transducer in the utility model is driven without using power supply, and is not necessarily to
Using special material or particular component, so that the structure of acceleration transducer is simple, at low cost.The utility model embodiment mentions
The acceleration transducer of confession is very small and exquisite, and size can narrow down to micron level.
The acceleration transducer can be used for detecting the acceleration situation during instantaneous acceleration, and detection vibration,
The utility model embodiment detects the process of instantaneous acceleration to acceleration transducer below, and detects adding during shaking
The process of speed conditions carries out citing description.It should be noted that in following example filter, memory working method
Referring to before, no longer repeated herein.
In the first instance, as shown in Fig. 2, Fig. 2 is acceleration transducer provided by the embodiment of the utility model detection
The process schematic one of acceleration, the process which detects instantaneous acceleration detection are as follows: firstly, as in Fig. 2
(a) acceleration transducer shown in remains static；Then, the acceleration transducer as shown in (b) in Fig. 2 starts to be accelerated
Degree, low-melting-point metal drop 2 rise in holding tank 11；Then, it the low-melting-point metal drop 2 as shown in (c) in Fig. 2 and rubs
Electric layer 5 (such as PVDF, i.e. Kynoar) collision friction, triboelectrification layer 5 obtain the freely electricity in low-melting-point metal drop 2
Son becomes negatively charged, and low-melting-point metal drop 2 becomes positively charged due to being taken away free electron；Then, such as (d) institute in Fig. 2
Show that low-melting-point metal drop 2 is fallen after rise, first electrode layer 3 can be close due to positively charged low-melting-point metal drop 2 when falling, produces
Raw induced electric field, positive charge is pushed away toward the second electrode lay 4, first electrode layer 3 is negatively charged, first electrode layer 3 and the second electrode lay 4
Between produce electric current, can be obtained the size of the voltage at resistance both ends by voltmeter, and the electric current can be second electrode
Layer 4 charges；Finally, the low-melting-point metal drop 2 as shown in (e) in Fig. 2 falls back to first electrode layer 3, induced electric field disappears, simultaneously
The positive charge that low-melting-point metal drop 2 carries all is transmitted to the second electrode lay 4, and low-melting-point metal drop 2 is not charged.
In second example, as shown in figure 3, Fig. 3 is acceleration transducer provided by the embodiment of the utility model detection
The process of the process schematic two of acceleration, the acceleration situation during acceleration transducer detection vibration is as follows: firstly,
Acceleration transducer shown in (a) remains static in Fig. 3；Then, the acceleration transducer as shown in (b) in Fig. 3 starts to obtain
Acceleration is obtained, low-melting-point metal drop 2 rises in holding tank 11；Then, the low-melting-point metal drop 2 as shown in (c) in Fig. 3 with
Triboelectrification layer 5 (such as PVDF, i.e. Kynoar) collision friction, triboelectrification layer 5 obtain in low-melting-point metal drop 2
Free electron becomes negatively charged, and low-melting-point metal drop 2 becomes positively charged due to being taken away free electron；Then, as in Fig. 3
(d) low-melting-point metal drop shown in 2 is fallen after rise, and first electrode layer 3 can leaning on due to positively charged low-melting-point metal drop 2 when falling
Closely, induced electric field is generated, positive charge is pushed away toward the second electrode lay 4, first electrode layer 3 is negatively charged, first electrode layer 3 and the second electricity
Electric current is produced between pole layer 4, can be obtained the size of the voltage at resistance both ends by voltmeter, and the electric current can be second
Electrode layer 4 charges；Then, the low-melting-point metal drop 2 as shown in (e) in Fig. 3 falls back to first electrode layer 3, and induced electric field disappears,
The positive charge that low-melting-point metal drop 2 carries simultaneously is all transmitted to the second electrode lay 4, and low-melting-point metal drop 2 is not charged；So
Afterwards, the beginning of the low-melting-point metal drop 2 as shown in (f) in Fig. 3 rises due to vibration, and the second electrode lay 4 is discharged to the when rising
One electrode layer 3, low-melting-point metal drop 2 can take away a part of positive charge from first electrode layer 3, make 2 band of low-melting-point metal drop
Positive electricity；Close due to positively charged low-melting-point metal drop 2 shown in (g) in Fig. 3, the second electrode lay 4 starts to discharge, will just
Charge is pushed away toward first electrode layer 3, is generated electric current between first electrode layer 3 and the second electrode lay 4, be can be obtained electricity by voltmeter
The size of the voltage at both ends is hindered, and the electric current can charge for first electrode layer 3；Then, the gold of the low melting point as shown in (h) in Fig. 3
Belong to drop 2 and rise to top, is contacted with triboelectrification layer 5, most of charge on the second electrode lay 4 all discharges to first at this time
Electrode layer 3, low-melting-point metal drop 2 are still positively charged；Then, the low-melting-point metal drop 2 as shown in (i) in Fig. 3 is fallen after rise, due to
Positively charged low-melting-point metal drop 2 it is close, first electrode layer 4 starts to discharge, first electrode layer 3 and the second electrode lay 4 it
Between generate electric current, can be obtained the size of the voltage at resistance both ends by voltmeter, and the electric current can fill for the second electrode lay 4
Electricity；Then, the low-melting-point metal drop 2 as shown in (j) in Fig. 3 persistently falls, and 3 continuous discharge of first electrode layer is to the second electrode lay
4；Then, the low-melting-point metal drop 2 as shown in (k) in Fig. 3 falls back to bottom, and the electric discharge of first electrode layer 3 terminates；Then, vibration after
Continuous, (f)~(k) is in cycles until vibration stops in Fig. 3.
By Fig. 2 and Fig. 3 it is found that in the process for detecting instantaneous acceleration, and the acceleration situation during detection vibration
During, low-melting-point metal drop 2 can deform, specifically, in 11 middle position of holding tank in relatively round spherical shape,
Be in elliposoidal at the position close to first electrode layer 3 or the second electrode lay 4, so can preferably with first electrode layer 3 or
The second electrode lay 4 contacts, and carries out the transfer of charge.
The utility model embodiment includes to acceleration transducer below main body 1, the 2, first electricity of low-melting-point metal drop
The particular content of pole layer 3, the second electrode lay 4 and triboelectrification layer 5 is illustrated.
Optionally, the material of main body 1 is acrylic resin or silica gel in the utility model embodiment.Wherein, main body 1
When material is silica gel, main body 1 has certain draftability, is conducive to that acceleration transducer is made to have draftability, so that acceleration passes
The application range of sensor is wider.
Optionally, as shown in Figure 1, the shape of holding tank 11 is hemispherical in main body 1, appearance is completely covered in first electrode layer 3
Receive the inner wall of slot 11 so that no matter low-melting-point metal drop 2 moves in holding tank 11 along which direction, can with rub
It has wiped electric layer 5 or first electrode layer 3 contacts, such as rising and falling on the vertical direction of the foregoing description, or along receiving
The inner wall of slot 11 rolls, and realizes the function of acceleration transducer, so that acceleration transducer can be used for detecting adding for different directions
Speed, the scope of application are wider.
Wherein, the low-melting-point metal that low-melting-point metal drop 2 is selected in the utility model embodiment is that fusing point is lower than room temperature
Low-melting-point metal.Low-melting-point metal include fusing point in room temperature low melting point simple substance below, low-melting alloy, by low melting point list
The electrical-conductive nanometer fluid that matter/low-melting alloy and metal nanoparticle and fluid dispersion are mixed to form.Illustratively, low melting point
Metal is mercury simple substance or gallium indium eutectic alloy.
Optionally, the volume of low-melting-point metal drop 2 is V1 in the utility model embodiment, and the volume of holding tank 11 is
V2, wherein V1/V2=(0.054~0.686): 1, so that low-melting-point metal drop 2 has enough spaces in holding tank 11
Activity, and when having electric current between first electrode layer 3 and the second electrode lay 4, the voltage at resistance both ends is easy to detect.
Inventor in the ratio range of above-described V1 and V2, have chosen multiple ratios 0.054: 1,0.128: 1,
0.250: 1,0.432: 1,0.686: 1 carried out experiment test (in test process with low-melting-point metal drop 2 be mercury solution drip be
Example), specifically, as shown in figure 4, relational graph of the Fig. 4 between acceleration provided by the embodiment of the utility model and voltage, invention
It is in preferable linear relationship between acceleration and the voltage at resistance both ends when the ratio of people's discovery, V1 and V2 are above each ratio,
And when the above ratio is 0.25: 1, the voltage at resistance both ends is most obvious with the variation of acceleration.Based on this, the utility model is real
It applies further preferred VI/V2=0.25: 1 in example.
Optionally, the diameter of low-melting-point metal drop 2 is 50 microns~10 millimeters in the utility model embodiment, on the one hand
The size of the holding tank 11 when meeting above-mentioned ratio relation can be made smaller, so that the size of acceleration transducer is smaller, separately
On the one hand, it is also possible that low-melting-point metal drop 2 is more easy to manufacture, on the other hand, it is also possible that low-melting-point metal drop 2 with
Contact area between triboelectrification layer 5 or first electrode layer 3 is larger, and the detection for advantageously reducing the voltage at resistance both ends is difficult
Degree.
Optionally, the material of first electrode layer 3 is copper, silver or gold in the utility model embodiment, so that the first electricity
Pole layer 3 has preferable electric conductivity, and does not adhere to low-melting-point metal drop 2, will not more occur with low-melting-point metal drop 2 instead
It answers.Based on similarly considering, the material of the second electrode lay 4 is copper, silver or gold in the utility model embodiment.
Optionally, the material of triboelectrification layer 5 is Kynoar or rubber in the utility model embodiment.Wherein,
When the material of triboelectrification layer 5 is rubber, triboelectrification layer 5 has certain draftability, is conducive to have acceleration transducer
Draftability, so that the application range of acceleration transducer is wider.
In addition, as shown in figure 5, Fig. 5 be acceleration transducer provided by the embodiment of the utility model structural schematic diagram two,
Acceleration transducer further includes encapsulated layer 6 in the utility model embodiment, and encapsulated layer 6 coats the first face of main body 1, so that
Encapsulated layer 6 can cover the second electrode lay 4, resistance, voltmeter, filter and memory simultaneously, help to maintain acceleration
The stable structure of sensor, and extraneous water oxygen impurity etc. can also be obstructed into acceleration transducer.
Optionally, as shown in fig. 6, Fig. 6 is the structural schematic diagram of acceleration transducer provided by the embodiment of the utility model
Three, acceleration transducer further includes being cascadingly set on the of main body 1 along far from 1 direction of main body in the utility model embodiment
The first adhesive layer 7, support counterdie 8, the second adhesive layer 9 and release film 10 on two faces, so that release film 10 is torn
Fall, directly affix to acceleration transducer at the position of needs so that acceleration transducer using very convenient.
Acceleration transducer in the utility model embodiment can be used for detecting the acceleration of automobile (by acceleration sensing
Device is placed on engine), detection engine vibration during acceleration situation (acceleration transducer is placed in engine
On), detection human motion state (acceleration transducer is placed in sole) etc..
In one example, as shown in fig. 7, Fig. 7 is the test of acceleration transducer provided by the embodiment of the utility model
Result figure one, during acceleration transducer detects the acceleration of automobile, A1 pointed location is that automobile starts to start in Fig. 7, Fig. 7
Middle A2 pointed location is automobile normal operation, and A4 pointed location is automobile stopping in Fig. 7.
In another example, as shown in figure 8, Fig. 8 is the survey of acceleration transducer provided by the embodiment of the utility model
Test result figure two, acceleration transducer detect engine vibration during acceleration situation during, B1 meaning position in Fig. 8
It is set to engine unlatching, B2 pointed location is that engine is run in Fig. 8, and B3 pointed location is engine stop in Fig. 8, in Fig. 8
B4 pointed location is that engine is opened again, and B5 pointed location is that engine is run again in Fig. 8, B6 meaning position in Fig. 8
Engine is set to stop again.
The utility model embodiment provides a kind of acceleration transducer, which includes main body 1, low melting point
Molten drop 2, first electrode layer 3, the second electrode lay 4, triboelectrification layer 5, resistance, voltmeter, filter and memory,
In, holding tank 11 is provided on the first face of main body 1, first electrode layer 3 is located on the inner wall of holding tank 11, is in holding tank 11
Vacuum, low-melting-point metal drop 2 are located in holding tank 11, and triboelectrification layer 5 is covered on holding tank 11, and resistance is connected to first
Between electrode layer 3 and the second electrode lay 4, voltmeter is in parallel with a resistor, and the input terminal of filter and the output end of voltmeter connect,
The output end of filter is connect with memory, and in the presence of having acceleration, low-melting-point metal drop 2 can rise, so with friction
It plays electric layer 5 to rub, triboelectrification layer 5 obtains the free electron in low-melting-point metal drop 2 and then negatively charged, low melting point gold
It is positively charged in turn due to being taken away free electron to belong to drop 2, when low-melting-point metal is fallen after rise, first electrode layer 3 can be due to positively charged
Low-melting-point metal drop 2 close generation induced electric field, and then positive charge is pushed into the second electrode lay 4 along resistance, first
Electric current is produced between electrode layer 3 and the second electrode lay 4, can be obtained the size of the voltage at resistance both ends by voltmeter, is filtered
Wave device is storable in memory after being filtered to the voltage, according to the big of the size of the voltage you can get it acceleration
It is small, and then the detection to acceleration is realized, by the above it is found that the acceleration transducer in the utility model is without using electricity
Source is driven, and without using special material or particular component, so that the structure of acceleration transducer is simple, at low cost.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of acceleration transducer, which is characterized in that including main body, low-melting-point metal drop, first electrode layer, second electrode
Layer, triboelectrification layer, resistance, voltmeter, filter and memory, wherein
Holding tank is provided on first face of the main body, the first electrode layer is located on the inner wall of the holding tank, described
It is vacuum in holding tank, the low-melting-point metal drop is located in the holding tank, and the triboelectrification layer is covered in the appearance
It receives on slot, the triboelectrification layer insulate and when rubbing with the low-melting-point metal drop, from the low-melting-point metal drop
Electronics is obtained, the second electrode lay is covered on the triboelectrification layer, the resistance, the voltmeter, the filter
It is all set on the first face of the main body with the memory, the resistance is connected to the first electrode layer and described second
Between electrode layer, the voltmeter and the resistor coupled in parallel, the output end company of the input terminal of the filter and the voltmeter
It connects, the output end of the filter is connect with the memory.
2. acceleration transducer according to claim 1, which is characterized in that the shape of the holding tank is hemispherical, institute
State the inner wall that the holding tank is completely covered in first electrode layer.
3. acceleration transducer according to claim 2, which is characterized in that the volume of the low-melting-point metal drop is
V1, the volume of the holding tank are V2, wherein V1/V2=(0.054~0.686): 1.
4. acceleration transducer according to claim 3, which is characterized in that V1/V2=0.25: 1.
5. acceleration transducer according to claim 3 or 4, which is characterized in that the diameter of the low-melting-point metal drop
It is 50 microns~10 millimeters.
6. acceleration transducer according to claim 1, which is characterized in that the material of the triboelectrification layer is to gather inclined fluorine
Ethylene or rubber.
7. acceleration transducer according to claim 1, which is characterized in that the material of the main body be acrylic resin or
Person's silica gel.
8. acceleration transducer according to claim 1, which is characterized in that the material of the first electrode layer is copper, silver
Or gold；The material of the second electrode lay is copper, silver or gold.
9. acceleration transducer according to claim 1, which is characterized in that it further include encapsulated layer, the encapsulated layer cladding
First face of the main body.
10. acceleration transducer according to claim 1, which is characterized in that further include along far from the main direction according to
It is secondary that the first adhesive layer being set on the second face of the main body, support counterdie, the second adhesive layer and release film is laminated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821387650.6U CN208766199U (en) | 2018-08-27 | 2018-08-27 | A kind of acceleration transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821387650.6U CN208766199U (en) | 2018-08-27 | 2018-08-27 | A kind of acceleration transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208766199U true CN208766199U (en) | 2019-04-19 |
Family
ID=66132849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821387650.6U Active CN208766199U (en) | 2018-08-27 | 2018-08-27 | A kind of acceleration transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208766199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761129A (en) * | 2018-08-27 | 2018-11-06 | 北京梦之墨科技有限公司 | A kind of acceleration transducer |
| US20230304852A1 (en) * | 2022-03-22 | 2023-09-28 | Zhejiang University | Fully soft self-powered vibration sensor and its fabrication method |
-
2018
- 2018-08-27 CN CN201821387650.6U patent/CN208766199U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761129A (en) * | 2018-08-27 | 2018-11-06 | 北京梦之墨科技有限公司 | A kind of acceleration transducer |
| CN108761129B (en) * | 2018-08-27 | 2024-02-23 | 北京梦之墨科技有限公司 | Acceleration sensor |
| US20230304852A1 (en) * | 2022-03-22 | 2023-09-28 | Zhejiang University | Fully soft self-powered vibration sensor and its fabrication method |
| US11874158B2 (en) * | 2022-03-22 | 2024-01-16 | Zhejiang University | Fully soft self-powered vibration sensor and its fabrication method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108761129A (en) | A kind of acceleration transducer | |
| CN208766199U (en) | A kind of acceleration transducer | |
| CN106949912B (en) | A kind of driving sensor-based system certainly based on friction nanometer power generator | |
| CN103229262B (en) | Porous carbon for electrochemical double layer capacitor | |
| CN110146198A (en) | A kind of flexibility self energizing pressure sensor | |
| CN104779831B (en) | Displacement transducer based on friction generator | |
| CN106953002B (en) | A kind of electrochemistry self-powered acceleration transducer and its manufacturing method | |
| KR101351269B1 (en) | Porous graphene film with excellent electrical properties and method of manufacturing the same | |
| CN108151949A (en) | A kind of flexible electronic pressure sensor device and preparation method thereof | |
| CN203537266U (en) | Power generating garment | |
| CN204156750U (en) | Vibration friction generator and vibrating sensor | |
| CN104836472B (en) | Utilize the generator and sound transducer of acoustic energy | |
| CN106602923A (en) | Frictional nano-generator for collecting wind energy, and power generation system | |
| CN104253562B (en) | Enclosed single electrode friction nanometer power generator, electricity-generating method and follow-up mechanism | |
| CN111555653A (en) | Preparation method and device of super-hydrophobic liquid-solid contact friction nano generator | |
| CN104980059B (en) | A kind of output device of the electrical signal including Cyclic flexion structure | |
| CN107493031A (en) | A kind of nested type closes portable friction nano generator device | |
| CN109391168A (en) | Sensor and method for sensing in Pneumatic friction nano generator, pneumatic system | |
| CN104104122B (en) | Electricity generation system | |
| Lv et al. | Interconnected array design for enhancing the performance of an enclosed flexible triboelectric nanogenerator | |
| CN205898334U (en) | Super-hydrophobic liquid phase pressure sensor | |
| CN115267922A (en) | MXene interface coupling enhanced man-machine interface sensor and preparation method thereof | |
| CN205924237U (en) | Bacterin for injection is bottled to be put with response of weighing | |
| CN211825962U (en) | Formaldehyde detector with dust filtering capability | |
| CN206019785U (en) | Liquid level detection circuit and wall-breaking machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |