CN202424572U - Piezoelectric ceramic power generation device - Google Patents

Piezoelectric ceramic power generation device Download PDF

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Publication number
CN202424572U
CN202424572U CN2011205414749U CN201120541474U CN202424572U CN 202424572 U CN202424572 U CN 202424572U CN 2011205414749 U CN2011205414749 U CN 2011205414749U CN 201120541474 U CN201120541474 U CN 201120541474U CN 202424572 U CN202424572 U CN 202424572U
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China
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piezoelectric ceramic
force rod
lower house
piezoelectric
trt
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Expired - Lifetime
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CN2011205414749U
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Chinese (zh)
Inventor
刘迎建
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Hanwang Technology Co Ltd
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Hanwang Technology Co Ltd
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Abstract

The utility model discloses a piezoelectric ceramic power generation device. The piezoelectric ceramic power generation device comprises an upper shell (1) and a lower shell (2) which are assembled with each other, and piezoelectric ceramic blocks (3) which are arranged in the shells, wherein the lower shell (2) has a groove type structure; a plurality of bar-shaped piezoelectric ceramic blocks (3) are parallelly arranged on the upper part of a groove of the lower shell (2); a stress rod (4) is vertically arranged among the piezoelectric ceramic blocks (3); a pressure lever (5) is fixed on the stress rod (4), and stretches across a plurality of piezoelectric ceramic blocks (3); a through hole (11) is formed in the upper shell (1); and the upper end of the stress rod (4) is protruded from the upper shell (1) through the through hole (11). The piezoelectric ceramic power generation device is light, thin and small, has high pressure resistance, and can generate more electric energy under relatively small pressure.

Description

The piezoelectric ceramic TRT
Technical field
The utility model relates to a kind of TRT, relates in particular to the piezoelectric ceramic TRT that a kind of conversion that utilizes mechanical energy and electric energy is generated electricity.
Background technology
Piezo-electric generating is a kind of new free of contamination energy utilization patterns, mainly is to utilize piezoelectric effect to produce electric energy.So-called piezoelectric effect is meant some medium when receiving mechanical pressure, even this pressure is small as acoustic vibration, all can produces change of shape such as compression or elongation, thereby cause that dielectric surface is charged, and this is referred to as direct piezoelectric effect; Otherwise, applying excitation electrical field, medium will produce mechanical deformation, and this is referred to as inverse piezoelectric effect.
Piezoelectric ceramic be exactly a kind of can be with mechanical energy and the electric energy ceramic material of conversion mutually.At present, utilize piezoelectric ceramic to convert external force the characteristic of electric energy to, produced piezoelectrics, moved equipment such as X-ray power supply, shell igniter.But the charge storage that piezoelectric ceramic produces worked being used as the energy, promptly being applied to the energy/power field then is just to begin one's study in recent years.For example the piezoelectric ceramic tidal power generation promptly is to be the power conversion of wave electric energy.And piezoelectric ceramic generating carpet then is piezoelectric ceramic to be stacked piece be embedded under carpet or the road, and the mechanical energy of utilizing human body to walk in the process produces electric energy, supplies power requirement such as house illumination with this.
But existing piezoelectric ceramic TRT all has the harsh requirement of comparison to burying environment and flow of the people underground; And generally do not have a portability; So can only be arranged in the urban architecture, and can't use in the open air, during the journey, to satisfy demand to the electronic equipment charging.In addition, existing piezoelectric ceramic TRT mainly is divided into piezoelectric ceramic and stacks generating and generate electricity two kinds with chip type piezoelectric pottery.Wherein, the pressure ratio that piezoelectric ceramic stacks the generating needs is bigger, generally should be more than 150Kg.The problem that the chip type piezoelectric ceramic component then exists big pressure to damage easily down generally need be provided with a large amount of bufferings and protective device in equipment, but the problem of doing like this is that most of mechanical energy can act on buffer unit, thereby reduces generating efficiency.Based on above-mentioned various reasons, the application of piezoelectric ceramic TRT has at present received great restriction.
Summary of the invention
The purpose of the utility model is to provide a kind of piezoelectric ceramic TRT of frivolous small and exquisite, good pressure-resistant performance, and under less pressure, promptly can produce more electric energy.
The concrete technical scheme of a kind of piezoelectric ceramic TRT of the utility model is:
A kind of piezoelectric ceramic TRT comprises the upper shell and the lower house that fit together, and the piezoelectric ceramics block that is arranged on enclosure interior; Wherein, lower house is the groove type structure, the parallel groove top that is arranged on lower house of the piezoelectric ceramics block of a plurality of strips; Vertically be provided with force rod between the piezoelectric ceramics block, be fixed with depression bar on the force rod, depression bar is across above a plurality of piezoelectric ceramics blocks; Be formed with through hole on the upper shell, the upper end of force rod is outstanding from upper shell through through hole.
In addition, the mid portion of lower house is recessed, and the edge has sidewall, and the two ends of piezoelectric ceramics block are arranged on the sidewall of lower house.
Be formed with a plurality of storage tanks on the sidewall of lower house, the end of storage tank and piezoelectric ceramics block is interlockingly connected.
Depression bar and force rod vertical setting each other form " ten " word shape.
Depression bar and force rod are integral structure.
Be formed with the containing hole that supplies force rod to pass on the lower house.
The lower end of force rod is set with elastic parts, and elastic parts is arranged on the below of the depression bar on the force rod.
The elastic parts that is sleeved on the force rod is a spring.
Parallel being arranged on a plurality of piezoelectric ceramics blocks in the lower house is connected with lead respectively.
Be formed with the cable clamping interface that a plurality of confession leads pass on the sidewall of lower house.
A kind of piezoelectric ceramic TRT of the utility model is frivolous small and exquisite; As required; The thickness of whole device can be controlled in the scope of 5-10mm; And need not the rotational structure in the similar existing electromagnetic power generation apparatus is set in the device, avoided producing a large amount of noises and unnecessary mechanical wear, effectively guaranteed the result of use and the life-span of device.
The piezoelectric ceramic TRT of the utility model adopts the form of a plurality of piezoelectric ceramics block parallel connections; Increased greatly and installed the magnitude of current that produces when stressed; With respect to existing piezoelectric ceramic TRT; The piezoelectric ceramic TRT of the utility model can produce more electric energy under less pressure, effectively guaranteed the supply of electric energy.
In addition; The piezoelectric ceramic TRT of the utility model is also through being provided with the supporting construction of force rod and elastic parts; Effectively reduced the loss of mechanical energy when pressing down; And the situation of damaging TRT when having avoided pressure excessive takes place, and has effectively guaranteed the generating efficiency and the security performance of the piezoelectric ceramic TRT of the utility model.
Description of drawings
Fig. 1 is the assembling assumption diagram of the piezoelectric ceramic TRT of the utility model;
Fig. 2 is the vertical view of the piezoelectric ceramic TRT of the utility model;
Fig. 3 is the cutaway view of the piezoelectric ceramic TRT of the utility model;
Fig. 4 is the assembling assumption diagram of another embodiment of the piezoelectric ceramic TRT of the utility model;
Fig. 5 is the vertical view of another embodiment of the piezoelectric ceramic TRT of the utility model.
Description of reference numerals:
1 upper shell; 2 lower houses; 3 piezoelectric ceramics blocks; 4 force rods; 5 depression bars; 6 elastic partss;
7 leads; 11 through holes; 21 storage tanks; 22 containing holes; 23 cable clamping interfaces.
Embodiment
In order better to understand purpose, structure and the function of the utility model,, a kind of piezoelectric ceramic TRT of the utility model is done further detailed description below in conjunction with accompanying drawing.
As shown in Figure 1; The same with existing piezoelectric ceramic TRT; The piezoelectric ceramic TRT of the utility model also comprises the upper shell 1 and lower house 2 that fits together; Upper shell 1 mainly plays the effect of supporting and protecting with lower house 2, and the manufacturing materials and the outer shape of upper shell in the utility model 1 and lower house 2 all can be with reference to common form settings of the prior art.
Wherein, the lower house 2 in the utility model is preferably the groove type structure, that is, the lower house mid portion is recessed, and the edge has sidewall.Walk abreast on the sidewall of lower house 2 and be provided with a plurality of strip piezoelectric ceramics blocks 3; Piezoelectric ceramics block 3 can deform under the effect of external force; Thereby produce electric energy according to the direct piezoelectric effect principle, lower house 2 inner recessed grooves have guaranteed that then piezoelectric ceramics block 3 has enough deformation spaces.
Specifically; Can be formed with a plurality of storage tanks 21 on the sidewall of lower house 2; The end of piezoelectric ceramics block 3 can snap onto in the storage tank 21, slides to prevent the relative lower houses 2 of piezoelectric ceramics block 3, thereby influences the result of use of the piezoelectric ceramic TRT of the utility model.
In addition, the piezoelectric ceramics block 3 in the utility model can adopt existing piezoceramic material to process, and the number of the piezoelectric ceramics block in the utility model 3 can be provided with according to actual conditions flexibly, is not limited to the number shown in Fig. 1.
As shown in Figure 3, the distortion of the piezoelectric ceramics block 3 in the utility model specifically realizes through force rod 4 and depression bar 5.Wherein, as shown in Figure 1, depression bar 5 is for being fixed on the force rod 4, and promptly depression bar 5 is arranged in a crossed manner each other with force rod 4, is preferably vertical each other the setting, promptly forms similar " ten " word shape.
Specifically, force rod 4 vertically is arranged on the centre position of a plurality of piezoelectric ceramics blocks 3, and force rod 4 is the stressed member in the piezoelectric ceramic TRT of the utility model, can accept ambient pressure through force rod 4.Depression bar 5 then across above a plurality of piezoelectric ceramics blocks 3, is used for the external force that force rod 4 receives is applied to piezoelectric ceramics block 3, and piezoelectric ceramics block 3 is deformed, thereby produces electric energy according to the direct piezoelectric effect principle.
Certainly; Force rod 4 in the utility model also can be provided with as a whole with depression bar 5; For example force rod 4 and depression bar 5 are one-body molded etc.; And the length of force rod 4 and depression bar 5 also can specifically set according to actual conditions, and accompanying drawing is merely shape and the annexation of describing force rod 4 and depression bar 5, does not have the qualification effect.
As shown in Figure 2; Upper shell 1 in the utility model is provided with through hole 11; It is outstanding from upper shell 1 that through hole 11 is mainly used in the end that supplies force rod 4, so that force rod 4 can receive external force accurately, easily, supplies the piezoelectric ceramic TRT of the utility model to use.
Can know that by top description and combination Fig. 1 to Fig. 3 after the piezoelectric ceramic TRT assembling of the utility model was accomplished, the end of force rod 4 can be given prominence to, thereby accepts external force easily and accurately from the through hole 11 of upper shell 1.When external force was applied on the outstanding end of force rod 4, force rod 4 just can move downward, and corresponding, the depression bar 5 that fixedly installs together with force rod 4 also moves downward under the drive of force rod 4.Because depression bar 5 is across above a plurality of piezoelectric ceramics blocks 3, under the effect of depression bar 5, mechanical deformation just can take place in piezoelectric ceramics block 3, can know according to the direct piezoelectric effect principle, and just can produce electric energy on the piezoelectric ceramics block 3 this moment.
And the external force on being applied to force rod 4 is when big; After force rod 4 moves downward certain distance, just can touch lower house 2, thereby can't continue to move downward; At this moment; Depression bar 5 just also stops to continue to move downward, the distortion that has guaranteed piezoelectric ceramics block 3 thus within the acceptable range, the situation of having avoided damaging piezoelectric ceramics block 3 because of external force is excessive takes place.
In addition; As shown in figures 1 and 3; Also can be provided with containing hole 22 with force rod 4 corresponding positions on the lower house 2 in the utility model, can pass containing hole 22 during force rod 4 operation downwards, thereby effectively enlarge the Bottom Runby of force rod 4; Can make the piezoelectric ceramic TRT of the utility model set littler thickness for thus, thereby enlarge the scope of application.Certainly, in this case, after force rod 4 passes the containing hole 22 on the lower house 2; Still can be by other object blocks; As the ground, platform etc. of placing the piezoelectric ceramic TRT of the utility model, and can unconfinedly not move downward, so that cause damage to piezoelectric ceramics block 3.
Further, as shown in Figure 1, also can be provided with elastic parts 6 in the piezoelectric ceramic TRT of the utility model; Elastic parts 6 is sleeved on the lower end of force rod 4, and is arranged on the bottom of the depression bar 5 on the force rod 4, and elastic parts 6 is mainly used in to moving downward of force rod 4 buffering is provided; Avoid external force to be applied to 4 last times of force rod suddenly; It is excessive that force rod 4 moves downward speed, thereby cause 5 pairs of piezoelectric ceramics blocks of depression bar 3 to produce bigger impulsive force, causes piezoelectric ceramics block 3 to damage; When especially external force was big, this situation took place more easily.
Elastic parts 6 in the utility model can adopt elastomeric material commonly used of the prior art to process, and for example, in the present embodiment, elastic parts 6 is a spring.And when being formed with containing hole 22 on the lower house 2, elastic parts 6 also can follow force rod 4 to pass containing hole 22 together, and the length of elastic parts should specifically be provided with according to condition of different, and is not limited to a certain number range.
In addition, the power delivery that produces on the piezoelectric ceramics block in the utility model 3 is stored or be transported to directly use in the relevant device in energy storage, can also be provided with assemblies such as lead in the piezoelectric ceramic TRT of the utility model for convenient.
The form that lead is set in the piezoelectric ceramic TRT of the utility model has been shown among Fig. 4 and Fig. 5; In this embodiment; A plurality of piezoelectric ceramics blocks 3 join with lead 7 respectively; And the other end of lead 7 can join with energy storage or other equipment (not shown), thereby the electric energy of generation can be exported from the piezoelectric ceramic TRT of the utility model through lead 7 easily on the piezoelectric ceramics block 3, uses for the user.
As shown in Figure 4; Compactness for the piezoelectric ceramic TRT assembling that guarantees the utility model; On the sidewall of lower house 2, also can be formed with a plurality of cable clamping interfaces 23, the lead 7 that joins with piezoelectric ceramics block 3 can join through cable clamping interface 23 and other equipment, thereby has guaranteed the tight type of lower house 2 with upper shell 1 assembling; And can also improve lead 7 and piezoelectric ceramics block 3 connection stability, guarantee the conveying effect of electric energy.
In addition; Can know more from Fig. 4 and Fig. 5 and find out that a plurality of piezoelectric ceramics blocks 3 in the utility model are parallel connection setting, when promptly depression bar 5 presses down piezoelectric ceramics block 3; Each piezoelectric ceramics block 3 all can produce electric energy accordingly, and through lead 7 unified being transported in the follow-up equipment.Thus, with respect to existing piezoelectric ceramic TRT, the piezoelectric ceramic TRT of the utility model can produce more electric energy under identical pressure, thereby has effectively improved the generating efficiency of piezoelectric ceramic TRT.
More than by specific embodiment the utility model is further described; But it should be understood that; Here concrete description; Should not be construed as the qualification to the essence and the scope of the utility model, the various modifications that the one of ordinary skilled in the art makes the foregoing description after reading this specification all belong to the scope that the utility model is protected.

Claims (10)

1. a piezoelectric ceramic TRT comprises the upper shell (1) and the lower house (2) that fit together, and the piezoelectric ceramics block (3) that is arranged on enclosure interior; It is characterized in that; Lower house (2) is the groove type structure, and the parallel groove top that is arranged on lower house (2) of the piezoelectric ceramics block of a plurality of strips (3) vertically is provided with force rod (4) between the piezoelectric ceramics block (3); Be fixed with depression bar (5) on the force rod (4); Depression bar (5) is formed with through hole (11) across in the top of a plurality of piezoelectric ceramics blocks (3) on the upper shell (1), the upper end of force rod (4) is outstanding from upper shell (1) through through hole (11).
2. piezoelectric ceramic TRT according to claim 1 is characterized in that, the mid portion of lower house (2) is recessed, and the edge has sidewall, and the two ends of piezoelectric ceramics block (3) are arranged on the sidewall of lower house (2).
3. piezoelectric ceramic TRT according to claim 2 is characterized in that, is formed with a plurality of storage tanks (21) on the sidewall of lower house (2), and storage tank (21) is interlockingly connected with the end of piezoelectric ceramics block (3).
4. piezoelectric ceramic TRT according to claim 1 is characterized in that, depression bar (5) and force rod (4) vertical setting each other.
5. piezoelectric ceramic TRT according to claim 4 is characterized in that, depression bar (5) is an integral structure with force rod (4).
6. piezoelectric ceramic TRT according to claim 1 is characterized in that, is formed with the containing hole (22) that supplies force rod (4) to pass on the lower house (2).
7. piezoelectric ceramic TRT according to claim 1 is characterized in that, the lower end of force rod (4) is set with elastic parts (6), and elastic parts (6) is arranged on the below of the depression bar (5) on the force rod (4).
8. piezoelectric ceramic TRT according to claim 7 is characterized in that, the elastic parts (6) that is sleeved on the force rod (4) is a spring.
9. piezoelectric ceramic TRT according to claim 1 is characterized in that, parallel being arranged on a plurality of piezoelectric ceramics blocks (3) in the lower house (2) is connected with lead (7) respectively.
10. piezoelectric ceramic TRT according to claim 9 is characterized in that, is formed with the cable clamping interface (23) that a plurality of confession leads (7) pass on the sidewall of lower house (2).
CN2011205414749U 2011-12-21 2011-12-21 Piezoelectric ceramic power generation device Expired - Lifetime CN202424572U (en)

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Application Number Priority Date Filing Date Title
CN2011205414749U CN202424572U (en) 2011-12-21 2011-12-21 Piezoelectric ceramic power generation device

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Application Number Priority Date Filing Date Title
CN2011205414749U CN202424572U (en) 2011-12-21 2011-12-21 Piezoelectric ceramic power generation device

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105890509A (en) * 2016-04-08 2016-08-24 南阳师范学院 Vibration energy-based underground coal preparation device chamber bottom plate displacement wireless monitoring system
CN108566116A (en) * 2018-01-26 2018-09-21 扬州大学 A kind of ground energy collecting device based on piezoelectric effect
CN110112955A (en) * 2019-05-31 2019-08-09 苏州市职业大学 A kind of chain type piezoelectric ceramics road self-generating device
CN113162476A (en) * 2019-01-16 2021-07-23 罗洁洁 Piezoelectric ceramic power generation device and method
CN115118182A (en) * 2022-07-25 2022-09-27 姚国平 Piezoelectric ceramic power generation device and structure based on piezoelectric ceramic power generation
CN116667700A (en) * 2023-05-05 2023-08-29 哈尔滨理工大学 Device for driving piezoelectric ceramic to generate power by gravity center deviation and power generation method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105890509A (en) * 2016-04-08 2016-08-24 南阳师范学院 Vibration energy-based underground coal preparation device chamber bottom plate displacement wireless monitoring system
CN108566116A (en) * 2018-01-26 2018-09-21 扬州大学 A kind of ground energy collecting device based on piezoelectric effect
CN113162476A (en) * 2019-01-16 2021-07-23 罗洁洁 Piezoelectric ceramic power generation device and method
CN110112955A (en) * 2019-05-31 2019-08-09 苏州市职业大学 A kind of chain type piezoelectric ceramics road self-generating device
CN110112955B (en) * 2019-05-31 2024-02-09 苏州市职业大学 Chain type piezoelectric ceramic road self-generating device
CN115118182A (en) * 2022-07-25 2022-09-27 姚国平 Piezoelectric ceramic power generation device and structure based on piezoelectric ceramic power generation
CN116667700A (en) * 2023-05-05 2023-08-29 哈尔滨理工大学 Device for driving piezoelectric ceramic to generate power by gravity center deviation and power generation method thereof
CN116667700B (en) * 2023-05-05 2023-12-15 哈尔滨理工大学 Device for driving piezoelectric ceramic to generate power by gravity center deviation and power generation method thereof

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Granted publication date: 20120905

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