CN106814232A - A kind of intelligent universal meter - Google Patents

A kind of intelligent universal meter Download PDF

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Publication number
CN106814232A
CN106814232A CN201710027934.8A CN201710027934A CN106814232A CN 106814232 A CN106814232 A CN 106814232A CN 201710027934 A CN201710027934 A CN 201710027934A CN 106814232 A CN106814232 A CN 106814232A
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CN
China
Prior art keywords
universal meter
module
main body
spring
fixed
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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.)
Pending
Application number
CN201710027934.8A
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Chinese (zh)
Inventor
吴丽清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anxi County Wisdom Agel Ecommerce Ltd
Original Assignee
Anxi County Wisdom Agel Ecommerce Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anxi County Wisdom Agel Ecommerce Ltd filed Critical Anxi County Wisdom Agel Ecommerce Ltd
Priority to CN201710027934.8A priority Critical patent/CN106814232A/en
Publication of CN106814232A publication Critical patent/CN106814232A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/12Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will
    • G01R15/125Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will for digital multimeters

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)

Abstract

The present invention relates to a kind of intelligent universal meter, including main body, display screen, switching switch, test pencil hole and test pencil, the percussion mechanism includes seismic mass, vibrations spring, electromagnet, coil, armature, base and fixed seat, the fixed mechanism includes shell, reverse spring, linking tape and spring shaft, the inside of the main body is additionally provided with Zhong Kong mechanisms, the Zhong Kong mechanisms include central control module, the voice control module being connected with central control module, wireless communication module, signal output module, display module, protection module and working power module, the protection module includes power switch, light emitting diode, diode and resistance;The intelligent universal meter, by increasing fixed mechanism, makes universal meter be fixed on arm with linking tape, so as to improve the practicality of universal meter;Increase percussion mechanism simultaneously, vibrations are produced by seismic mass, the signal of collection is fed back in time, improve the accuracy of universal meter and the operating efficiency of operator.

Description

A kind of intelligent universal meter
Technical field
The present invention relates to electronic applications, more particularly to a kind of intelligent universal meter.
Background technology
Universal meter is a kind of most common auxiliary equipment in industrial circle, and the detection of equipment, maintenance, maintenance are required for leading to It is crossed to be diagnosed, confirmed, investigated.
Universal meter is mainly made up of main body, display screen, test pencil etc..In existing universal meter, the fixed seat of postnotum is only Can on the table use, hand-held electric loop can only be detected for site of deployment universal meter, for one man operation ten thousand With cumbersome for table, or even easily fall universal meter in use, cause to use the phenomenons such as inconvenience;Meanwhile, when measurement electricity During air circuit break-make, the sound that operator can only be sent by universal meter buzzer come judge loop whether break-make, many by More noisy in surrounding environment, operator cannot often judge the voice signal that buzzer sends, and reduce operating efficiency.
The content of the invention
The technical problem to be solved in the present invention is:In order to overcome the deficiencies in the prior art, there is provided a kind of intelligent general-purpose Table.
The technical solution adopted for the present invention to solve the technical problems is:A kind of intelligent universal meter, including main body, set The display screen in main body, switching switch, some test pencil holes and two test pencils are put, the fixed mechanism of body side is arranged on and is set The percussion mechanism at the main body back side is put, one end of the test pencil matches with test pencil hole;
The percussion mechanism includes seismic mass, vibrations spring, electromagnet, coil, armature, base and fixed seat, described solid Reservation is fixed in main body, and the armature is arranged in fixed seat by base, and the seismic mass is by shaking spring and base Connection, the electromagnet is fixed in seismic mass and near base, and the coil is arranged on electromagnet, and the electromagnet is located at The surface of armature;
Wherein, in order to allow universal meter easily and timely to feed back accurate signal in noisy industry spot, by signal Output module control coil switches on power, and magnetizes electromagnet, and electromagnet and the seismic mass pressing being fixed on electromagnet shake Spring is adsorbed on armature, when signal output module control coil deenergization, makes electromagnet not carrying magnetic, electromagnet and fixation Seismic mass on electromagnet is restored to initial position by vibrations spring;By signal output module control coil constantly connect with Disconnect so that seismic mass constantly regular motion up and down, produce vibrations, operator is received vibration signal and is made and accurately sentence It is disconnected.
The fixed mechanism includes shell, reverse spring, linking tape and spring shaft, and one end of the reverse spring passes through bullet Spring axle is fixed in main body, and the other end of the reverse spring is fixedly connected with linking tape, and the linking tape is located at the outer of shell Portion, the spring shaft is located at the inside of shell, and the shell is fixed in main body;
Wherein, universal meter is used in order to allow operator more easily to observe, is fixed on by by universal meter main body On the small arm of operator, the Zhou Houyu of adhesive buckle band winding arm one that suitable length is pulled out from shell is fixed on universal meter side Adhesive band be buckled together, universal meter is fixed on arm;Because the screw type disk of linking tape is placed on reverse spring, pull out It is tightened up the reverse spring being fixed on spring shaft after linking tape, when linking tape pull-out is more long, it is tighter that reverse spring collapses, when After universal meter is using terminating, linking tape is unclamped, because the reaction force of reverse spring makes the linking tape of pull-out all be recycled to outward In shell, facilitate use next time.
The inside of the main body is additionally provided with Zhong Kong mechanisms, and the Zhong Kong mechanisms include central control module and center control Voice control module, wireless communication module, signal output module, display module, protection module and working power that module is connected Module, the central control module is PLC, and the coil electrically connects with signal output module, the display screen and display module Electrical connection.
Wherein, central control module is PLC, for being controlled to equipment, so as to reach intelligentized control method;Sound control Module, for controlling buzzer to act, with sound transmission signal, improves the reliability of equipment;Wireless communication module, makes to adopt on the spot The signal of collection realizes remote transmission, the intelligentized control method of realization by wireless communication module;Signal output module, for control line Circle electriferous state, realizes that electromagnetic induction produces vibration signal, improves the reliability of equipment;Display module, for collection Signal shows in real time, convenient to be intuitively shown to operator, improves the practicality of equipment;Protection module, for entering to equipment Row short circuit, overvoltage protection, improve the security of equipment;Working power module, the working power for providing stabilization to equipment, Enable a device to the operation of stabilization.
Preferably, protection module includes power switch, light emitting diode, diode and resistance, the power switch One end is connected with the negative pole of 9V DC voltage power supplies, and the other end of the power switch is connected with the positive pole of 9V DC voltage power supplies And be connected with the negative electrode of light emitting diode and the anode of diode respectively, one end of the resistance respectively with the sun of light emitting diode The negative electrode connection of pole and diode, the other end of the resistance is connected with the positive pole of 9V DC voltage power supplies.
Preferably, not breakdown in order to protection equipment, the inside of the main body is additionally provided with fuse, the insurance Silk is electrically connected with protection module, and the fuse is arranged between power switch and 9V DC voltage power supplies.
Wherein, when power switch is closed, by fuse normal work, now loop is without light emitting diode in loop; After blown fuse, loop lights light emitting diode by light emitting diode, point out operator's fuse to break, it is necessary to Change;Wherein, diode is to protect light emitting diode.
Preferably, being judged to realize that in-site collecting signal can carry out remote transmission, the wireless telecommunications mould Block includes bluetooth, and the bluetooth is connected by the communications protocol of bluetooth 4.0 with external communication terminal wireless.
Preferably, stability and reliability in order to improve percussion mechanism, the quantity of the vibrations spring is two, institute Vibrations spring is stated respectively positioned at the both sides of seismic mass, the two ends of the vibrations spring are connected with seismic mass with base respectively.
Preferably, the vibrations spring is in normal condition.
Preferably, the inside of the main body is additionally provided with buzzer, the buzzer is electrically connected with voice control module.
Preferably, in order that equipment stable operation, the inside of the main body is additionally provided with battery, the battery and work Make power module electrical connection.
Preferably, in order that the more visual and clear display of equipment, the display screen is LCDs.
Preferably, in order to enable a device to reach fire-protection rating, the flame retardant rating of the main body is V-0.
Wherein, when power switch is closed, by fuse normal work, now loop is without light emitting diode in loop; After blown fuse, loop lights light emitting diode by light emitting diode, point out operator's fuse to break, it is necessary to Change;Wherein, diode is to protect light emitting diode.
The beneficial effects of the invention are as follows in the intelligent universal meter, by increasing fixed mechanism, pull-out is suitable from shell When the adhesive band that the Zhou Houyu of adhesive buckle band winding arm one of length is fixed on universal meter side is buckled together, it is fixed on universal meter On arm, during operator uses universal meter, it is not necessary to which the moment moves or hand-held universal meter, so as to improve general-purpose The practicality of table, facilitates the person of operating with;Meanwhile, by increasing percussion mechanism, connect by signal output module control coil Break-make switch power supply so that seismic mass produces vibrations by electromagnetic induction principle constantly regular motion up and down, makes the letter for collecting Number preparation feeds back to operator in time, allows operator to provide judged result in time, so as to improve the accuracy of universal meter, improves The operating efficiency of operator.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of intelligent universal meter front view of the invention;
Fig. 2 is the structural representation of intelligent universal meter dorsal view of the invention;
Fig. 3 is the structural representation of the percussion mechanism of intelligent universal meter of the invention;
Fig. 4 is the structural representation of the fixed mechanism of intelligent universal meter of the invention;
Fig. 5 is the systematic schematic diagram of intelligent universal meter of the invention;
Fig. 6 is the circuit diagram of the protection module of intelligent universal meter of the invention;
In figure:1. main body, 2. display screen, 3. switching switch, 4. test pencil hole, 5. test pencil, 6. fixed mechanism, 7. jarring machine Structure, 8. seismic mass, 9. shakes spring, 10. electromagnet, 11. coils, 12. armature, 13. bases, 14. fixed seats, 15. shells, 16. reverse springs, 17. linking tapes, 18. spring shafts, 19. central control modules, 20. voice control modules, 21. wireless telecommunications moulds Block, 22. signal output modules, 23. display modules, 24. protection modules, 25. working power modules, 26. fuses, 27. electric power storages Pond, 28. buzzers, S1. power switches, LED1. light emitting diodes, VD1. diodes, R1. resistance.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant with the present invention.
As shown in figs 1 to 6, a kind of intelligent universal meter, including main body 1, display screen 2 on the body 1 is set, is cut Switch 3, some test pencil holes 4 and two test pencils 5 are changed, the fixed mechanism 6 of the side of main body 1 is arranged on and is arranged on the back side of main body 1 Percussion mechanism 7, one end of the test pencil 5 matches with test pencil hole 4;
The percussion mechanism 7 includes seismic mass 8, vibrations spring 9, electromagnet 10, coil 11, armature 12, base 13 and consolidates Reservation 14, the fixed seat 14 is fixed on the body 1, and the armature 12 is arranged in fixed seat 14 by base 13, the shake Motion block 8 is connected by shaking spring 9 with base 13, and the electromagnet 10 is fixed in seismic mass 8 and near base 13, the line Circle 11 is arranged on electromagnet 10, and the electromagnet 10 is located at the surface of armature 12;
Wherein, in order to allow universal meter easily and timely to feed back accurate signal in noisy industry spot, by signal The control coil 11 of output module 22 switches on power, and magnetizes electromagnet 10, electromagnet 10 and the vibrations being fixed on electromagnet 10 The pressing vibrations spring 9 of block 8 is adsorbed on armature 12, when the deenergization of 22 control coil of signal output module 11, makes electromagnet 10 Not carrying magnetic, electromagnet 10 and the seismic mass 8 being fixed on electromagnet 10 are restored to initial position by vibrations spring 9;By letter Number continuous connecting and disconnecting of 22 control coil of output module 11 so that the constantly regular motion up and down of seismic mass 8, produce shake It is dynamic, operator is received vibration signal and make accurate judgement.
The fixed mechanism 6 includes shell 15, reverse spring 16, linking tape 17 and spring shaft 18, the reverse spring 16 One end fixed on the body 1 by spring shaft 18, the other end of the reverse spring 16 is fixedly connected with linking tape 17, described Linking tape 17 is located at the outside of shell 15, and the spring shaft 18 is located at the inside of shell 15, and the shell 15 is fixed on main body 1 On;
Wherein, universal meter is used in order to allow operator more easily to observe, is fixed on by by universal meter main body 1 On the small arm of operator, the winding of linking tape 17 Zhou Houyu of arm one that suitable length is pulled out from shell 15 is fixed on universal meter The adhesive band of side is buckled together, and universal meter is fixed on arm;Because the screw type disk of linking tape 17 is placed on reverse spring On 16, pull out linking tape 17 after be tightened up the reverse spring 16 being fixed on spring shaft 18, when linking tape 17 pull out it is more long, also It is tighter that former spring 16 collapses, and after universal meter is using terminating, linking tape 17 is unclamped, because the reaction force of reverse spring 16 makes drawing The linking tape 17 for going out all is recycled in shell 15, facilitates use next time.
The inside of the main body 1 is additionally provided with Zhong Kong mechanisms, and the Zhong Kong mechanisms include central control module 19 and center control The voice control module 20 of the connection of molding block 19, wireless communication module 21, signal output module 22, display module 23, protection mould Block 24 and working power module 25, the central control module 19 are PLC, and the coil 11 is electrically connected with signal output module 22 Connect, the display screen 2 is electrically connected with display module 23.
Wherein, central control module 19 is PLC, for being controlled to equipment, so as to reach intelligentized control method;Sound control Molding block 20, for controlling buzzer 28 to act, with sound transmission signal, improves the reliability of equipment;Wireless communication module 21, The signal of in-site collecting is set to realize remote transmission, the intelligentized control method of realization by wireless communication module 21;Signal output module 22, for the electriferous state of control coil 11, realize that electromagnetic induction produces vibration signal, improve the reliability of equipment;Display mould Block 23, it is convenient to be intuitively shown to operator for being shown in real time to the signal for gathering, improve the practicality of equipment;Protection Module 24, for carrying out short circuit, overvoltage protection to equipment, improves the security of equipment;Working power module 25, for setting The standby working power for providing stabilization, enables a device to the operation of stabilization.
Preferably, protection module 24 includes power switch S1, LED 1, diode VD1 and resistance R1, institute The one end for stating power switch S1 is connected with the negative pole of 9V DC voltage power supplies, and it is straight that the other end of the power switch S1 is connected with 9V Flow the positive pole of voltage source and be connected with the negative electrode of LED 1 and the anode of diode VD1 respectively, the resistance R1 One end be connected with the anode of LED 1 and the negative electrode of diode VD1 respectively, the other end and 9V of the resistance R1 The positive pole connection of DC voltage power supply.
Preferably, not breakdown in order to protection equipment, the inside of the main body 1 is additionally provided with fuse 26, described Fuse 26 is electrically connected with protection module 24, and the fuse 26 is arranged between power switch S1 and 9V DC voltage power supply.
Wherein, when power switch S1 is closed, by the normal work of fuse 26, now loop is without light-emitting diodes in loop Pipe LED1;After fuse 26 fuses, loop lights LED 1 by LED 1, points out operation Member's fuse 26 has broken, it is necessary to change;Wherein, diode VD1 is to protect LED 1.
Preferably, being judged to realize that in-site collecting signal can carry out remote transmission, the wireless telecommunications mould Block 21 includes bluetooth, and the bluetooth is connected by the communications protocol of bluetooth 4.0 with external communication terminal wireless.
Preferably, stability and reliability in order to improve percussion mechanism 7, the quantity of the vibrations spring 9 is two, Respectively positioned at the both sides of seismic mass 8, the two ends of the vibrations spring 9 connect the vibrations spring 9 with seismic mass 8 with base 13 respectively Connect.
Preferably, the vibrations spring 9 is in normal condition.
Preferably, the inside of the main body 1 is additionally provided with buzzer 28, the buzzer 28 and the electricity of voice control module 20 Connection.
Preferably, in order that equipment stable operation, the inside of the main body 1 is additionally provided with battery 27, the battery 27 electrically connect with working power module 25.
Preferably, in order that the more visual and clear display of equipment, the display screen 2 is LCDs.
Preferably, in order to enable a device to reach fire-protection rating, the flame retardant rating of the main body 1 is V-0.
Compared with prior art, in the intelligent universal meter, by increasing fixed mechanism 6, pulled out from shell 15 suitable When the adhesive band that the winding of linking tape 17 Zhou Houyu of arm one of length is fixed on universal meter side is buckled together, fix universal meter On arm, during operator uses universal meter, it is not necessary to which the moment moves or hand-held universal meter, so as to improve ten thousand With the practicality of table, the person of operating with is facilitated;Meanwhile, by increasing percussion mechanism 7, by the control line of signal output module 22 Enclose 11 on-off power supplys so that seismic mass 8 produces vibrations by electromagnetic induction principle constantly regular motion up and down, makes to adopt The signal for collecting prepares to feed back to operator in time, allows operator to provide judged result in time, so as to improve the essence of universal meter Degree property, improves the operating efficiency of operator.
With above-mentioned according to desirable embodiment of the invention as enlightenment, by above-mentioned description, relevant staff is complete Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.

Claims (10)

1. a kind of intelligent universal meter, it is characterised in that including main body (1), the display screen (2) being arranged in main body (1), cut Switch (3), some test pencil holes (4) and two test pencils (5) are changed, the fixed mechanism (6) of main body (1) side is arranged on and is arranged on master The percussion mechanism (7) at body (1) back side, one end of the test pencil (5) matches with test pencil hole (4);
The percussion mechanism (7) includes seismic mass (8), vibrations spring (9) electromagnet (10), coil (11), armature (12), base (13) and fixed seat (14), the fixed seat (14) is fixed in main body (1), and the armature (12) is arranged on by base (13) In fixed seat (14), the seismic mass (8) is connected by shaking spring (9) with base (13), and the electromagnet (10) is fixed on In seismic mass (8) and near base (13), the coil (11) is arranged on electromagnet (10), and the electromagnet (10) is positioned at rank The surface of iron (12);
The fixed mechanism (6) includes shell (15), reverse spring (16), linking tape (17) and spring shaft (18), the reduction One end of spring (16) is fixed in main body (1) by spring shaft (18), the other end and linking tape of the reverse spring (16) (17) it is fixedly connected, positioned at the outside of shell (15), the spring shaft (18) is positioned at the interior of shell (15) for the linking tape (17) Portion, the shell (15) is fixed in main body (1);
The inside of the main body (1) is additionally provided with Zhong Kong mechanisms, and the Zhong Kong mechanisms include central control module (19) and center control Voice control module (20), wireless communication module (21), signal output module (22), the display module of molding block (19) connection (23), protection module (24) and working power module (25), the central control module (19) is PLC, the coil (11) with Signal output module (22) is electrically connected, and the display screen (2) electrically connects with display module (23).
2. intelligent universal meter as claimed in claim 1, it is characterised in that the protection module (24) is including power switch (S1), light emitting diode (LED1), diode (VD1) and resistance (R1), it is straight that one end of the power switch (S1) is connected with 9V Flow the negative pole of voltage source, the other end of the power switch (S1) be connected with the positive pole of 9V DC voltage power supplies and respectively with hair The anode connection of the negative electrode of optical diode (LED1) and diode (VD1), one end of the resistance (R1) respectively with light-emitting diodes Manage the negative electrode connection of the anode and diode (VD1) of (LED1), the other end and the 9V DC voltage power supplies of the resistance (R1) Positive pole is connected.
3. intelligent universal meter as claimed in claim 2, it is characterised in that the inside of the main body (1) is additionally provided with insurance Silk (26), the fuse (26) electrically connects with protection module (24), the fuse (26) be arranged on power switch (S1) and Between 9V DC voltage power supplies.
4. intelligent universal meter as claimed in claim 1, it is characterised in that the wireless communication module (21) is including indigo plant Tooth, the bluetooth is connected by the communications protocol of bluetooth 4.0 with external communication terminal wireless.
5. intelligent universal meter as claimed in claim 1, it is characterised in that the quantity of the vibrations spring (9) is two, Vibrations spring (9) respectively positioned at the both sides of seismic mass (8), the two ends of the vibrations spring (9) respectively with seismic mass (8) with Base (13) is connected.
6. intelligent universal meter as claimed in claim 1, it is characterised in that the vibrations spring (9) is in normal condition.
7. intelligent universal meter as claimed in claim 1, it is characterised in that the inside of the main body (1) is additionally provided with buzzing Device (28), the buzzer (28) electrically connects with voice control module (20).
8. intelligent universal meter as claimed in claim 1, it is characterised in that the inside of the main body (1) is additionally provided with electric power storage Pond (27), the battery (27) electrically connects with working power module (25).
9. intelligent universal meter as claimed in claim 1, it is characterised in that the display screen (2) is LCDs.
10. intelligent universal meter as claimed in claim 1, it is characterised in that the flame retardant rating of the main body (1) is V-0.
CN201710027934.8A 2017-01-16 2017-01-16 A kind of intelligent universal meter Pending CN106814232A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710027934.8A CN106814232A (en) 2017-01-16 2017-01-16 A kind of intelligent universal meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710027934.8A CN106814232A (en) 2017-01-16 2017-01-16 A kind of intelligent universal meter

Publications (1)

Publication Number Publication Date
CN106814232A true CN106814232A (en) 2017-06-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710027934.8A Pending CN106814232A (en) 2017-01-16 2017-01-16 A kind of intelligent universal meter

Country Status (1)

Country Link
CN (1) CN106814232A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2194800Y (en) * 1994-06-23 1995-04-19 邓治 Multifunctional automatic carpenter's ink marker steel tape
CN1383393A (en) * 2000-06-07 2002-12-04 岩城电子株式会社 Vibration generating device cellular phones using same
KR20030064452A (en) * 2002-01-28 2003-08-02 엘지이노텍 주식회사 Vibrator for having flat vibration structure
US20040192374A1 (en) * 2003-03-31 2004-09-30 Camarillo Richard J. System and method for vibrating a portable device
CN202372553U (en) * 2011-10-14 2012-08-08 深圳华盛昌机械实业有限公司 Multimeter
CN202754165U (en) * 2012-06-15 2013-02-27 杭州盛力机械有限公司 Tensioner with automatic tape-coiling function
CN104316743A (en) * 2014-11-05 2015-01-28 安徽荃富信息科技有限公司 Intelligent universal meter

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2194800Y (en) * 1994-06-23 1995-04-19 邓治 Multifunctional automatic carpenter's ink marker steel tape
CN1383393A (en) * 2000-06-07 2002-12-04 岩城电子株式会社 Vibration generating device cellular phones using same
KR20030064452A (en) * 2002-01-28 2003-08-02 엘지이노텍 주식회사 Vibrator for having flat vibration structure
US20040192374A1 (en) * 2003-03-31 2004-09-30 Camarillo Richard J. System and method for vibrating a portable device
CN202372553U (en) * 2011-10-14 2012-08-08 深圳华盛昌机械实业有限公司 Multimeter
CN202754165U (en) * 2012-06-15 2013-02-27 杭州盛力机械有限公司 Tensioner with automatic tape-coiling function
CN104316743A (en) * 2014-11-05 2015-01-28 安徽荃富信息科技有限公司 Intelligent universal meter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王鹰: "《连续输送机械设计手册》", 31 May 2001, 中国铁道出版社 *

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Application publication date: 20170609