CN108537631B

CN108537631B - Self-service system for intelligent renting house

Info

Publication number: CN108537631B
Application number: CN201810267118.9A
Authority: CN
Inventors: 郑伟伟; 孔维杰; 夏雪松; 姚建伟; 缪国华; 龙华; 于丽军; 陈迪; 陈蕾
Original assignee: Zhejiang Nanzi Construction Group Co ltd
Current assignee: Zhejiang Nanzi Construction Group Co ltd
Priority date: 2018-03-28
Filing date: 2018-03-28
Publication date: 2020-08-11
Anticipated expiration: 2038-03-28
Also published as: CN108537631A

Abstract

The invention discloses a self-service system for intelligent renting a house, which comprises an identification module, an operation module, a processing module and an output module, wherein the identification module is used for identifying the house; the identification module acquires identity information of a user, identifies the face of the user and shoots an operation process of the user; the user browses and screens the house information through the display module; the user can search house information, input characters and the like through the operation module, and the user can sign a contract and pay for a house rental through the operation module; and the processing module analyzes and processes the information acquired by the identification module and the command sent by the user through the operation module. The self-service system provides convenient self-service house renting service, a user can rent a house suitable for the user by using the self-service system, and the actual equipment can prevent static electricity from occurring in the equipment, so that the stability and the safety of the system can be ensured, and the safety of the user when the self-service system is used is ensured.

Description

Self-service system for intelligent renting house

Technical Field

The invention relates to the field of self-service, in particular to a self-service system for intelligent renting rooms.

Background

Nowadays, the urbanization of China is developed rapidly, more and more people in China develop from hometown to big city, and the increase of mobile population in the city makes the house renting problem become one of the major problems facing the city development.

The houses required by house renters are usually different, the geographical position, the house size, the number of living rooms, the decoration degree and the house renting time are different from person to person, renting a house suitable for the house in a city is a process of consuming time and energy, an intermediary is a common method for renting houses of people at present, but the intermediary needs to stipulate the common time of both parties to see the house, and even needs to stipulate a house holder to sign a contract again to complete house renting.

Nowadays, the country advocates building of intelligent communities, people increasingly use network self-service terminals to meet some requirements in daily life, and people are urgently required to provide convenient house renting services for people by means of the network self-service terminals and can provide safe and effective house renting services; most self-service terminal machines are mostly arranged in a convenient service hall at present, but the self-service terminal machines used nowadays are often opened for a long time, more devices contained in the self-service terminal machines are easy to heat, personnel in front of the self-service terminal machines are too many to walk, a large amount of dust enters the self-service terminal machines and is easy to cause static electricity to damage the devices, and even harm is caused to users.

In view of the above-mentioned drawbacks, the inventors of the present invention have finally obtained the present invention through a long period of research and practice.

Disclosure of Invention

In order to solve the technical defects, the invention adopts the technical scheme that a self-service system for intelligent renting rooms is provided, and comprises an identification module, an operation module, a processing module and an output module;

the identification module acquires identity information of a user, performs face identification on the user and shoots an operation process of the user, and the identification module transmits the acquired information and video to the processing module for analysis and storage;

the output module displays the house information to the user in an image and audio mode, and the user browses and screens the house information through the display module;

the user can search and input words to the house information through the operation module, and the user can also sign a contract and pay for a house renting through the operation module;

the processing module analyzes and processes the information acquired by the identification module and the command sent by the user through the operation module, and the output module displays the result analyzed and processed by the processing module.

Preferably, the processing module has processing, storage and network transmission functions, and updates the house source information in time through network transmission.

Preferably, the output module includes voice prompt and printing functions, and can guide the user to operate and print the electronic contract signed by the user into a paper file.

Preferably, the devices corresponding to the identification module, the operation module, the processing module and the output module are all provided with a protruding vertex angle; install on the apex angle and prevent the static module, prevent that the static module includes: deformation layer, spliced pole, piezoelectric column and electrically conductive net, deformation layer passes through the spliced pole with piezoelectric column fixed mounting is in on the apex angle, deformation layer with one side that the apex angle corresponds is inboard, electrically conductive net is laid deformation layer lateral surface, electrically conductive net with the piezoelectric column is connected, works as when preventing the increase of charge volume around the static module, piezoelectric column length increase, the piezoelectric column extrudees to the outside the deformation layer, the deformation layer is bloated to the outside, the shape of preventing the static module approaches to the sphere.

Preferably, the deformation layer is a fan-shaped flat plate, the deformation layer is parallel to the side surface of the top corner, and the deformation layer is made of an elastic insulating material.

Preferably, the outer ring of the inner side surface of the deformation layer is fixed on the vertex angle through the connecting column, the connecting column is made of an insulating material, and the connecting column does not deform.

Preferably, the piezoelectric column is made of a piezoelectric material, and the piezoelectric column is fixedly connected to the inner ring on the inner side surface of the deformation layer.

Preferably, a conductive cone is arranged in the center of the deformation layer, the conductive cone is a cone, the side surface of the conductive cone is not in contact with the deformation layer, the tip of the conductive cone faces the outer side surface of the deformation layer, when the deformation layer bulges outwards, the tip of the conductive cone protrudes out of the outer side surface of the deformation layer, and the conductive cone is made of a metal material.

Preferably, the bottom of the conductive cone is provided with a current transmitter, and static electricity generated by the conductive cone is guided out of the deformation layer by the current transmitter.

The preferred, the electrically conductive awl side is relative be equipped with three annular, three from last to down in proper order on the deformation layer lateral wall all be provided with the piezoelectric strip in the annular, it is three the piezoelectric strip all not with electrically conductive awl contact, the annular inner space is greater than the volume of piezoelectric strip, it is three the degree of depth of annular is from last to reducing down in proper order, three the upper end and the lower extreme of piezoelectric strip all with deformation layer fixed connection, it is three the piezoelectric strip is made by piezoelectric material.

Compared with the prior art, the invention has the beneficial effects that:

1. the self-service system can help the user browse the house source information to be rented outwards, browse the information such as the house source renting time limit, the house source position, the house source live-action photo, the house source matching, the rent deposit and the like, and the user can screen out the house meeting the self-service requirement according to the information provided by the self-service system;

2. the self-service system can help the user to sign a contract in time, and can submit a house rent through the self-service system, and when the user pays the house rent and signs the contract, the self-service system can inform a house lessor to contact the user and hand over the house rent in time;

3. the self-service system confirms and stores the identity information of the user, and shoots and stores the whole operation process of the user;

4. the self-service system provides voice prompt in the whole process for the user, prints out signed contracts and transfer invoices, and updates house source information in time through a network;

5. the self-service system can prevent static electricity from occurring in equipment, has a simple structure and light weight, is convenient to use, can ensure the stability and safety of the system, and ensures the safety of a user when using the self-service system;

6. the self-service system provides more convenient house renting service for users through modes of internet, data operation and the like, is beneficial to improving the comprehensive coverage of urban network informatization, and is also beneficial to the construction of smart cities;

7. the self-service system is open to public people, can not only ensure that the benefits of the enterprise to which the system belongs are not lost, but also can ensure that the income of the enterprise is continuously increased and the personal and property safety of users.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a block diagram of a self-service system according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a self-service system according to a third embodiment of the present invention;

FIG. 3 is a side view of the self-service system according to a third embodiment of the present invention;

FIG. 4 is a cross-sectional view of an anti-static module according to a third embodiment of the present invention;

FIG. 5 is a bottom view of an anti-static module according to a third embodiment of the present invention;

fig. 6(a) and fig. 6(b) are schematic views of the non-operating state and the operating state of the anti-static module according to the third embodiment of the present invention, respectively;

FIG. 7 is a schematic diagram of the connection between the conductive cone and the deformation layer according to a fourth embodiment of the present invention;

fig. 8 is a top view of a conductive cone and a piezoelectric strip according to a fourth embodiment of the present invention.

The figures in the drawings represent:

1-shell, 11-top plate, 12-connecting rod, 13-middle box, 14-cabinet, 141-maintenance door, 15-protruding plate, 2-identification module, 21-first camera, 22-second camera, 23-ID card recognizer, 3-operation module, 31-keyboard, 32-touch screen pen, 33-POS machine, 4-processing module, 41-processor, 42-storage, 43-network transmission device, 5-output module, 51-voice player, 511-top angle, 52-printer, 53-display, 6-antistatic module, 61-deformation layer, 611-perforation, 612-first ring groove, 613-second ring groove, 614-third ring groove, 62-connecting column, 63-piezoelectric column, 64-conductive net, 65-conductive cone, 66-first piezoelectric strip, 67-second piezoelectric strip, 68-third piezoelectric strip, 69-power transmitter and 7-power supply.

Detailed Description

The above and further features and advantages of the present invention are described in more detail below with reference to the accompanying drawings.

Example one

As shown in fig. 1, a self-service system for intelligent renting house of the present invention includes: the system comprises an identification module 2, an operation module 3, a processing module 4 and an output module 5, wherein the identification module 2 can identify the identity information of a user and carry out face identification on the user, and transmits the acquired identity information and an identification image to the processing module 4 for identification and processing, so that the user meeting the legal requirements can use the self-service system to carry out house renting service, and both sides of the house renting are guaranteed to be legal citizens; the user can perform operations such as character input, character writing, account transfer and the like through the operation module 3, and the user can perform contract signing and house renting payment on a selected house through the system; the operation command sent by the user is transmitted to the processing module 4 for analysis and processing, the processing module 4 has the functions of analysis, storage, network transmission and the like, the processing module 4 can store house information and identity information of the user, the processing module 4 updates the stored house information through the network transmission function to prevent the phenomenon that the same house is rented to two users at the same time, the analysis and processing result of the processing module 4 is displayed to the user through the output module 5, the output module 5 comprises the functions of image display, audio output, printing and the like, the processing module 4 can display an operation interface to the client through the influence display function of the output module 5 to facilitate the user to browse, screen and the like through the operation module 3, the processing module 4 explains the client through the audio output function of the output module 5 by voice, and the client can carry out the next operation, the processing module 4 prints the contract and other documents into paper documents through the printing function of the output module 5, so that the user can conveniently store and look up the paper documents; the invention is connected with the Internet, provides more convenient house renting service for users through modes of data operation and the like, is not only beneficial to improving the comprehensive coverage of urban network informatization, but also beneficial to the construction of smart cities; the identification module 2 shoots the operation process of the user in real time, and forms a video file to be stored in the processing module 4, and the shot video can ensure the equipment safety based on the system of the invention, can also ensure the legality of signing a contract through the system of the invention, and is more convenient for obtaining evidence when disputes occur.

Example two

The processing module 2 works based on house renting management software, and the house renting management software comprises functions of house information management, contract management, user information management, safety information management, operation prompt and the like. The user comprises a tenant and a house owner, the house owner can upload information of a house to be rented, such as text and picture information of a community name, a building number, a floor, a house number, a hall, rent, renting time, matching setting and the like, through house renting management software, the house renting management software integrates the information, the safety information management function of the house renting management software can record the house to be rented, and a property company and a delivery company can also use a mobile phone APP or computer software and the like at a far end to acquire the renting condition of a certain house through a network, so that the house is conveniently subjected to safety management; the house renting management software provides multilingual operation prompt services such as Chinese and English to a tenant, the tenant needs to fill a tenant information table before operation, the tenant browses and screens house information through the house renting management software, when the house information is suitable for the tenant, the tenant checks a contract through the house renting management software, signs and transfers accounts, after the tenant signs the contract, the house renting management software prints an electronic transfer bill and an electronic contract into a paper file for the tenant to keep, the landlord receives house renting information, and the tenant can contact the landlord to see and hand over the house in time; if the actual situation is different from the provided information, the tenant can apply for refund through the house renting management software; the tenant can also pay property fees, water fees, electricity fees, parking fees and the like through the house renting management software, so that convenience is brought to the daily life of people.

EXAMPLE III

The present embodiment is based on the above embodiments, and is an embodiment of a self-service system for intelligent renting rooms according to the present invention.

As shown in fig. 2, the identification module 2, the operation module 3, the processing module 4, the output module 5, the anti-static module 6 and the power supply 7 are all arranged in the housing 1, and the housing 1 plays a role in fixing and protecting each module in the self-service system of the invention; the housing 1 includes: the top plate 11 is positioned at the top of the shell 1, and the top plate 11 is horizontally arranged; the lower part of the side edge of the top plate 11 is connected with a middle box 13 through a connecting rod 12, the connecting rod 12 is vertically arranged, and the middle box 13 is obliquely arranged; the lower part of the middle box 13 is connected with the chassis 14, and the front end of the chassis 14 is provided with a maintenance door 141, so that equipment in the chassis 14 can be maintained and replaced conveniently; the protruding plate 15 is installed at the upper end of the front side of the cabinet 14, and the protruding plate 15 is horizontally disposed.

As shown in fig. 2 and 3, the identification module 2 includes: the self-service system comprises a first camera 21, a second camera 22 and an identity card identifier 23, wherein the first camera 21 is arranged on the front side of the top of the middle box 13, and the first camera 21 can identify the face of a user, so that the self-service system provides safe and real user information; the second camera 22 is installed below the top plate 11, the second camera 22 is fixedly installed on the top plate 11, and the second camera 22 can shoot an operation process and a display interface of a user, so that evidence collection can be conveniently carried out when a rental room dispute appears in the later stage; the identity card recognizer 23 is arranged on the upper surface of the protruding plate 15, the identity card recognizer 23 can recognize the identity card of the user, and the identity card recognizer 23 transmits the recognized user identity card information to the processing module 4 for analysis and processing, so that the user using the self-service system is a legal group.

The output module 5 includes: the voice player 51 is arranged at the bottom of the middle box 13, the voice player 51 can play voice prompt tones to guide a user to operate; the printer 52 is arranged inside the top end of the case 14, the printer 52 is positioned on the upper side of the protruding plate 15, and the printer 52 can print paper documents such as rental contracts, receipts and invoices; the display 53 is used for displaying information such as house resources, so that a user can browse and screen house information conveniently, a renting contract can be read and signed conveniently, and the user can also search and screen the house resources required by the user by operating through the display 53.

The operation module 3 includes: keyboard 31, touch-screen pen 32 and POS machine 33, keyboard 31 is set up on the protruding board 15, users can input information such as Chinese characters and figure through keyboard 31; the touch screen pen 32 is arranged on the protruding plate 15 and located at one side of the keyboard 31, and a user can perform operations such as selecting and writing on the display through the touch screen pen 32; the POS machine 33 is installed inside the top end of the case 14, the POS machine 33 is located on the lower side of the voice player 51, when a user obtains a house source suitable for the user through the self-service system, card swiping payment can be conducted through the POS machine 33, and network payment can also be conducted through the two-dimensional code in the display 53.

The processing module 4 includes: the processor 41 is installed in the case 14 and located on the rear side of the protruding plate 15, the processor 41 is connected with the identification module 2, and the user identity information and the operation video acquired by the identification module 2 are transmitted to the identification module 2 for analysis and processing; the processor 41 is connected with both the keyboard 31 and the POS machine 33, information input by the user through the keyboard 31 is transmitted to the processor 41 for analysis and processing, and the processor 41 controls the POS machine 33 to carry out payment on the bank card of the user; the processor 41 is connected with the storage 42, the storage 42 is used for storing the house source information, and the processor 41 can screen the house source information in the storage 42 according to the requirement of the user; the processor 41 is connected with the network transmitter 43, and the processor 41 can update the house source information stored in the storage 42 through the network transmitter 43, so as to prevent a set of house sources from being rented to two persons at the same time; the processor 41 is connected with the output module 5, the processor 41 analyzes and processes according to information input by a user, the processor 41 controls the voice player 51 to prompt the operation of the user, the processor 41 displays the analysis processing result in the display 53, an operation command performed by the user through the display 53 is also transmitted to the processor 41 for processing and analysis, a house source to be rented by the user can directly sign a contract through the self-service system of the invention, the user can sign in the display 53 through the stylus pen 32, the processor 41 processes the signed contract, and the processor 41 controls the printer 53 to print the signed contract.

The power supply 7 is fixedly mounted at the bottom of the cabinet 14.

The equipment contained in the identification module 2, the operation module 3, the processing module 4 and the output module 5 has a protruding top corner structurally, and the anti-static module 6 is installed at the top corner.

As shown in fig. 4 and 5, the anti-static module 6 includes a deformation layer 61, a connection column 62, a piezoelectric column 63 and a conductive net 64, the deformation layer 61 is a fan-shaped flat plate, the connection column 62 is fixedly installed on the bottom surface of the deformation layer 61, the piezoelectric column 63 is fixedly installed on the bottom surface of the deformation layer 61, a layer of conductive net 64 is laid on the upper surface of the deformation layer 61, the shape of the conductive net 64 is the same as that of the deformation layer 61, a through hole 611 is formed at the connection position of the deformation layer 61 and the piezoelectric column 63, a protruding lead of the conductive net 64 penetrates through the through hole 611 and is fixedly connected with the piezoelectric column 63, and the conductive net 64 can transmit charges collected by the deformation layer 61 to the.

As shown in fig. 5, there are ten connecting columns 62, the connecting columns 62 are uniformly arranged on the outer circle of the bottom of the deformation layer 61, there are four piezoelectric columns 63, and the piezoelectric columns 63 are uniformly arranged on the inner circle of the deformation layer 61.

As shown in fig. 6(a), the casing of the voice player 51 is a rectangular parallelepiped, the antistatic module 6 is installed at the top corner 511 of the voice player 51, the top corner 511 has three planes, the antistatic module 6 is installed on each of the three planes, the plane of the deformation layer 61 is parallel to the plane of the top corner 511, and the connection column 62 and the piezoelectric column 63 are both fixedly connected to the top corner 511.

The display 53 is arranged at the upper end of the voice player 51, the screen of the display 53 is easy to generate a large amount of charges, the charge amount of the space around the voice player 51 is increased, and the apex 511 of the voice player 51 is easy to generate the tip discharge effect to generate static electricity; as shown in fig. 6(b), when the surface charge amount of the vertex 511 is increased, the surface charge amount of the deformation layer 61 is increased, the collected charges are transmitted to the piezoelectric pillars 63 through the conductive net 64, the height of the piezoelectric pillars 63 is increased, the piezoelectric pillars 63 press the deformation layer 61 outwards, so that the deformation layer 61 bulges outwards, at this time, all three deformation layers 61 bulge outwards, the vertex 511 is changed from a pointed shape into a spherical shape by the anti-static module 6, the damage of point discharge at the vertex 511 is eliminated, and the anti-static module 6 can prevent the equipment in the self-service system of the present invention from generating static electricity to damage the system, thereby not only ensuring the benefit of the enterprise to which the system belongs not to be lost, but also ensuring the income of the enterprise to be continuously increased, and the personal and property safety of users.

Example four

As shown in fig. 7, in this embodiment, on the basis of the above embodiment, a conductive cone 65 is built in the center of the deformation layer 61, the conductive cone 65 is a cone made of a metal material, a needle point of the conductive cone 65 faces the outside of the deformation layer 61, a side edge of the conductive cone 65 is not in contact with the deformation layer 61, when the deformation layer 61 is pressed by the piezoelectric pillar 63 and bulges towards the outside, an opening of the deformation layer 61 at the conductive cone 65 is opened, the conductive cone 65 is exposed at the outside of the deformation layer 61, the conductive cone 65 forms a needle point where a tip discharge phenomenon easily occurs, charges around the deformation layer 61 are guided to generate static electricity, a conducting device 69 is connected to the bottom end of the conductive cone 65, and charges received by the conductive cone 65 are transmitted out of the deformation layer 61 through the conducting device 69.

As shown in fig. 7 and 8, a first ring groove 612, a second ring groove 613, and a third ring groove 614 are sequentially formed on the side wall of the deformation layer 61 opposite to the side of the conductive cone 65 from top to bottom, the depth of the first ring groove 612 is greater than that of the second ring groove 613, the depth of the second ring groove 613 is greater than that of the third ring groove 614, a first piezoelectric strip 66 is disposed in the first ring groove 612, a second piezoelectric strip 67 is disposed in the second ring groove 613, a third piezoelectric strip 68 is disposed in the third ring groove 614, the three piezoelectric strips are all annular and sequentially looped on the conductive cone 65, the three piezoelectric strips are not in contact with the conductive cone 65, the upper ends and the lower ends of the three piezoelectric strips are fixedly connected with the deformation layer 61, and the three piezoelectric strips are all made of piezoelectric materials.

When the deformation layer 61 is bulged outwards, the conductive cone 65 protrudes out of the deformation layer 61, and at the moment, a new sharp corner appears at the split position of the deformation layer 61, the first piezoelectric strip 66 is closer to the surface of the deformation layer 61, the first piezoelectric strip 66 and the conductive cone 65 are in the same charge layer, the first piezoelectric strip 66 induces the same charge as the conductive cone 65, the second piezoelectric strip 67 and the third piezoelectric strip 68 are farther from the surface of the deformation layer 61, the second piezoelectric strip 67 and the third piezoelectric strip 68 are farther from the charge layer at the needle point of the conductive cone 65, the charges of the second piezoelectric strip 67 and the third piezoelectric strip 68 are opposite to the charge of the first piezoelectric strip 66, the charge amount induced by the second piezoelectric strip 67 is smaller than that induced by the first piezoelectric strip 66, the degree of inward stretching of the first piezoelectric strip 66 is greater than that of the second piezoelectric strip 67 and the third piezoelectric strip 68, and the first piezoelectric strip 66 and the second strip 67 generate electrostatic attraction force, the piezoelectric strip is enabled to stretch the split tip of the deformation layer 61 at the conductive cone 65 inwards, the split tip of the deformation layer 61 at the conductive cone 65 is ensured to become smoother, and the new tip is prevented from generating a tip discharge effect.

The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative and not limiting. It will be understood by those skilled in the art that various changes, modifications and equivalents may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A self-service system for intelligent renting rooms, comprising: the device comprises an identification module, an operation module, a processing module and an output module;

the processing module analyzes and processes the information acquired by the identification module and the command sent by the user through the operation module, and the output module displays the result analyzed and processed by the processing module;

the equipment corresponding to the identification module, the operation module, the processing module and the output module is provided with a protruded vertex angle; install on the apex angle and prevent the static module, prevent that the static module includes: deformation layer, spliced pole, piezoelectric column and electrically conductive net, deformation layer passes through the spliced pole with piezoelectric column fixed mounting is in on the apex angle, deformation layer with one side that the apex angle corresponds is inboard, electrically conductive net is laid deformation layer lateral surface, electrically conductive net with the piezoelectric column is connected, works as when preventing the increase of charge volume around the static module, piezoelectric column length increase, the piezoelectric column extrudees to the outside the deformation layer, the deformation layer is bloated to the outside, the shape of preventing the static module approaches to the sphere.

2. The self-service system for intelligent renting rooms as claimed in claim 1, wherein the processing module has processing, storage and network transmission functions, and the processing module updates the room source information in time through network transmission.

3. The self-service system as recited in claim 1, wherein the output module comprises voice prompt and printing functions for directing the user to perform operations and print the electronic contract entered by the user into a paper document.

4. A self-service system for a smart rental housing as claimed in claim 1, wherein the deformation layer is a fan-shaped plate, the deformation layer is parallel to the side surface of the top corner, and the deformation layer is made of an insulating material having elasticity.

5. A self-service system for intelligent renting rooms as in claim 1, wherein the connecting column fixes the outer ring of the inner side surface of the deformation layer on the top corner, the connecting column is made of insulating material, and the connecting column is not deformed.

6. A self-service system for a smart rental housing as claimed in claim 1, wherein the piezoelectric posts are made of piezoelectric material and are fixedly attached to the inner ring of the inner side of the deformation layer.

7. The self-service system for a smart renting room as recited in any one of claims 1-6, wherein a conductive cone is arranged in the center of the deformation layer, the conductive cone is a cone, the side surface of the conductive cone is not in contact with the deformation layer, the tip of the conductive cone faces the outer side surface of the deformation layer, when the deformation layer bulges outwards, the tip of the conductive cone protrudes out of the outer side surface of the deformation layer, and the conductive cone is made of a metal material.

8. A self-service system for a smart rental housing as claimed in claim 7, wherein a current conductor is provided at a bottom of the conductive cone, and the static electricity generated by the conductive cone is conducted out of the deformation layer by the current conductor.

9. The self-service system for a smart renting room as recited in claim 8, wherein three ring grooves are sequentially formed in the side wall of the deformation layer opposite to the side edge of the conductive cone from top to bottom, piezoelectric bands are arranged in all three ring grooves, all three piezoelectric bands are not in contact with the conductive cone, the space in each ring groove is larger than the volume of each piezoelectric band, the depth of all three ring grooves is sequentially reduced from top to bottom, the upper ends and the lower ends of all three piezoelectric bands are fixedly connected with the deformation layer, and all three piezoelectric bands are made of piezoelectric materials.