CN215180286U - Hand-held type magnetic induction rotational speed and frequency integrated tester - Google Patents
Hand-held type magnetic induction rotational speed and frequency integrated tester Download PDFInfo
- Publication number
- CN215180286U CN215180286U CN202121100246.8U CN202121100246U CN215180286U CN 215180286 U CN215180286 U CN 215180286U CN 202121100246 U CN202121100246 U CN 202121100246U CN 215180286 U CN215180286 U CN 215180286U
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- Prior art keywords
- magnetic induction
- test mode
- frequency
- circuit board
- rotating speed
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- 230000006698 induction Effects 0.000 title claims abstract description 44
- 238000012360 testing method Methods 0.000 claims abstract description 79
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 16
- 229910052744 lithium Inorganic materials 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000005389 magnetism Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000001028 reflection method Methods 0.000 description 1
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a hand-held magnetic induction rotating speed and frequency comprehensive tester, which comprises a front cover, a rear cover and a circuit board, wherein the circuit board is fixedly arranged between the front cover and the rear cover; the circuit board is welded with a power switch key, a mode switching key, a liquid crystal display screen, a microcontroller, a rotating speed test mode indicator lamp, a frequency test mode indicator lamp and a magnetic induction sensor, wherein the magnetic induction sensor is arranged at the top end of the circuit board. The utility model can measure the rotating speed of the rotator with magnetism in the rotating speed test mode, can also be used for the motor rotating speed test of the low-voltage brushless electric motor and the dental planter for the dental instruments and the working rotating speed test of the dental turbine high-speed handpiece, and can measure the working frequency of the dental scaler for the dental instruments in the frequency test mode; the novel LED lamp has the advantages of attractive appearance, small size, low manufacturing cost, strong practicability and wide market prospect.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to hand-held type magnetic induction rotational speed and frequency integrated tester.
Background
The conventional low-voltage electric motor for the electric rotary tool and the dental instrument, the dental implanter and the dental turbine high-speed handpiece have accurate requirements on the rotating speed in the production and use processes, and manufacturers and users want to know that the rotating speed of the rotary tool is only tested by a rotating speed measuring instrument; the traditional test methods comprise a light reflection method, a grating method and a Hall switch test method, but the existing rotating speed measuring instrument has the problems of complex structure, heavy instrument, higher cost and the like; and the rotating speed of the dental appliance can be tested only, and the frequency can not be tested.
Therefore, it is necessary to provide a hand-held magnetic induction rotational speed and frequency comprehensive tester to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a hand-held type magnetic induction rotational speed and frequency integrated tester, it is complicated to solve current measuring instrument test mode, tests single problem.
In order to achieve the above object, the utility model provides a hand-held magnetic induction rotating speed and frequency comprehensive tester, which comprises a front cover, a rear cover and a circuit board, wherein the circuit board is fixedly arranged between the front cover and the rear cover; the circuit board is welded with a power switch key, a mode switching key, a liquid crystal display screen, a microcontroller, a rotating speed test mode indicator lamp, a frequency test mode indicator lamp and a magnetic induction sensor, wherein the magnetic induction sensor is arranged at the top end of the circuit board; the power switch key and the mode switching key are arranged below the liquid crystal display screen, wherein the power switch key and the mode switching key are arranged in parallel; microcontroller sets up in liquid crystal display top, and this microcontroller top sets up rotational speed test mode pilot lamp, frequency test mode pilot lamp, and wherein rotational speed test mode pilot lamp, frequency test mode pilot lamp set up side by side.
Preferably, the front cover is provided with a power switch key fixing position, a mode switching key fixing position, a display window, a rotating speed test mode indicator lamp fixing position and a frequency test mode indicator lamp fixing position, wherein the top end of the front cover is provided with a first clamping groove; the power switch key fixing position and the mode switching key fixing position are arranged below the display window, wherein the power switch key fixing position and the mode switching key fixing position are arranged side by side; the fixed position of the rotating speed test mode indicator light and the fixed position of the frequency test mode indicator light are arranged above the display window, wherein the fixed position of the rotating speed test mode indicator light and the fixed position of the frequency test mode indicator light are arranged side by side.
Preferably, the top end of the rear cover is provided with a second clamping groove, and a battery accommodating groove is arranged below the rear cover; a lithium battery is arranged in the battery accommodating groove, and a battery cover is arranged outside the battery accommodating groove.
Preferably, the front cover and the rear cover are fixedly connected through a bolt, wherein a first clamping groove at the top end of the front cover is opposite to a second clamping groove at the top end of the rear cover; a fixing plate is arranged between the first clamping groove and the second clamping groove, and clamping strips are arranged on the periphery of the fixing plate and are respectively clamped with the first clamping groove and the second clamping groove.
Preferably, the upper end of the fixing plate is provided with a magnetic induction sensor protective cap, wherein the magnetic induction sensor protective cap is sleeved on the upper end of the magnetic induction sensor.
Preferably, the circuit board is fixedly mounted on the inner side of the front cover through bolts, wherein the power switch key, the mode switching key, the rotating speed test mode indicator light and the frequency test mode indicator light which are welded on the circuit board are respectively in one-to-one correspondence with the power switch key fixing position, the mode switching key fixing position, the rotating speed test mode indicator light fixing position and the frequency test mode indicator light fixing position on the front cover.
Compared with the prior art, the utility model has the advantages of it is following: the utility model can control the rotation speed test mode and the frequency test mode to be mutually switched through the mode switching button, so that the working rotation speed of the motor of the dental appliance can be tested, and the vibration frequency of the dental tool can be tested; under the rotating speed test mode, the rotating speed of the magnetic rotating body and the actual rotating speed of the motor can be measured, the device can be used for the rotating speed test of the motor of the low-voltage brushless electric motor and the dental implanter for the dental instruments and the working rotating speed test of the dental turbine high-speed handpiece, and under the frequency test mode, the working frequency of the dental scaler for the dental instruments can be measured; the novel LED lamp is attractive in appearance, small in size, low in manufacturing cost, high in practicability and wide in market prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a rear view structure diagram of the present invention;
FIG. 3 is an exploded view of the structure of the present invention;
fig. 4 is a schematic structural view of a preferred embodiment of the present invention;
FIG. 5 is a schematic structural view of a preferred embodiment of the present invention;
fig. 6 is a schematic structural view of another preferred embodiment of the present invention.
The reference numbers illustrate: 1-front cover, 2-back cover, 3-circuit board, 4-power switch key, 5-mode switch key, 6-liquid crystal display, 7-microcontroller, 8-rotation speed test mode indicator light, 9-frequency test mode indicator light, 10-magnetic induction sensor, 11-control panel, 12-power switch key fixing position, 13-mode switch key fixing position, 14-display window, 15-rotation speed test mode indicator light fixing position, 16-frequency test mode indicator light fixing position, 17-first card slot, 18-fixing screw, 19-second card slot, 20-battery accommodating slot, 21-lithium battery, 22-battery cover, 23-bolt, 24-fixing plate, 25-card bar, 26-magnetic induction sensor protective cap, 27-dental turbine high-speed handpiece, 28-magnetic contact pin, 29-low-voltage electric motor, 30-dental scaler handpiece, 31-vibrating rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The utility model provides a hand-held type magnetic induction rotational speed and frequency integrated tester.
Referring to fig. 1 to 3, a hand-held magnetic induction rotational speed and frequency comprehensive tester includes a front cover 1, a rear cover 2, and a circuit board 3, wherein the circuit board 3 is fixedly installed between the front cover 1 and the rear cover 2; a power switch key 4, a mode switching key 5, a liquid crystal display screen 6, a microcontroller 7, a rotating speed test mode indicator lamp 8, a frequency test mode indicator lamp 9 and a magnetic induction sensor 10 are welded on the circuit board 3, wherein the magnetic induction sensor 10 is arranged at the top end of the circuit board 3; the power switch key 4 and the mode switching key 5 are arranged below the liquid crystal display screen 6, wherein the power switch key 4 and the mode switching key 5 are arranged side by side; the power switch key 4 is used for turning on or turning off the power supply of the whole tester, the mode switching key 5 is used for switching the working mode of the tester and can be switched into a rotating speed testing mode or a frequency testing mode, and the liquid crystal display screen 6 is used for displaying the rotating speed or the working frequency of the measured magnetic rotator or the dental instrument; the microcontroller 7 is arranged above the liquid crystal display screen 6, when the mode switching key 5 switches the tester into a rotating speed testing mode, the microcontroller 7 is used for converting rotating speed parameters received by the magnetic induction sensor 10 into electric signals, and the electric signals are amplified by an electronic circuit and then sent to the liquid crystal display screen 6 for displaying and recording; when the mode switching key 5 switches the tester into a frequency testing mode, the microcontroller 7 is used for converting the mechanical vibration parameters received by the magnetic induction sensor 10 into electric signals, and the electric signals are amplified by an electronic circuit and then sent to the liquid crystal display screen 6 for displaying and recording; the rotating speed test mode indicator light 8 and the frequency test mode indicator light 9 are respectively arranged above the microcontroller 7, wherein the rotating speed test mode indicator light 8 is used for indicating that the tester is in a rotating speed test mode state, and the frequency test mode indicator light 9 is used for indicating that the tester is in a frequency test mode state.
Further, a control panel 11 is disposed on the front cover 1, a power switch key fixing position 12, a mode switching key fixing position 13, a display window 14, a rotation speed test mode indicator lamp fixing position 15, and a frequency test mode indicator lamp fixing position 16 are disposed on the control panel 11, wherein a first clamping groove 17 is disposed at the top end of the front cover 1.
The power switch key fixing position 12 and the mode switching key fixing position 13 are arranged below the display window 14, wherein the power switch key fixing position 12 and the mode switching key fixing position 13 are arranged side by side; the fixing position 15 of the rotating speed test mode indicator light and the fixing position 16 of the frequency test mode indicator light are arranged above the display window 14, wherein the fixing position 15 of the rotating speed test mode indicator light and the fixing position 16 of the frequency test mode indicator light are arranged side by side.
Further, the circuit board 3 is fixedly mounted on the inner side of the front cover 1 through a fixing screw 18, wherein a power switch key 4, a mode switching key 5, a rotating speed test mode indicator light 8 and a frequency test mode indicator light 9 which are welded on the circuit board 3 are respectively in one-to-one correspondence with a power switch key fixing position 12, a mode switching key fixing position 13, a rotating speed test mode indicator light fixing position 15 and a frequency test mode indicator light fixing position 16 on the front cover 1; wherein, the liquid crystal display screen 6 on the circuit board 3 is aligned with the display window 14 on the front cover 1 in the center, and the display window 14 is provided with a transparent glass layer.
Further, a second clamping groove 19 is formed in the top end of the rear cover 2, and a battery accommodating groove 20 is formed below the rear cover 2; a lithium battery 21 is arranged in the battery accommodating groove 20, wherein a battery cover 22 is arranged outside the battery accommodating groove 20; the positive and negative pins of the lithium battery 21 are welded with the circuit board 3, the lithium battery 21 provides power for the power utilization module on the circuit board 3, and the power supply voltage of the lithium battery 21 is 3V.
Further, the front cover 1 and the rear cover 2 are fixedly connected through a bolt 23, wherein a first clamping groove 17 at the top end of the front cover 1 is arranged opposite to a second clamping groove 19 at the top end of the rear cover 2, the first clamping groove 17 and the second clamping groove 19 form an open groove at the top ends of the front cover 1 and the rear cover 2, and the upper end of the magnetic induction sensor 10 penetrates through the open groove and extends out of the top ends of the front cover 1 and the rear cover 2.
Wherein, be equipped with fixed plate 24 between first draw-in groove 17 and the second draw-in groove 19, this fixed plate 24 periphery is equipped with card strip 25, and this card strip 25 is connected with first draw-in groove 17 and second draw-in groove 19 joint respectively, makes fixed plate 24 and protecgulum 1 and back lid 2 joint.
Further, a magnetic induction sensor protective cap 26 is disposed on the upper end of the fixing plate 24, wherein the magnetic induction sensor protective cap 26 is sleeved on the magnetic induction sensor 10 for protecting the magnetic induction sensor 10.
Referring to fig. 4, in the rotation speed test of the dental turbine high-speed handpiece 27, firstly, the power switch button 4 is turned on, the tester is switched to the rotation speed test mode through the mode switching button 5, when the rotation speed test mode indicator light 8 is turned on, the hand-held tester brings the magnetic induction sensor 10 close to the magnetic contact pin 28 of the rotating dental turbine high-speed handpiece 27, the magnetic induction sensor 10 receives the rotation speed parameter of the magnetic contact pin 28 and sends the rotation speed parameter to the microcontroller 7, wherein the microcontroller 7 converts the rotation speed parameter into an electric signal, amplifies the electric signal through an electronic circuit and sends the electric signal to the liquid crystal display 6 for displaying, and the rotation speed test of the dental turbine high-speed handpiece 27 is completed. By the above rotation speed test mode, the rotation speeds of all the magnetic rotating bodies can be tested.
Referring to fig. 5, the low voltage electric motor 29 for dental instruments is used for operating speed testing, the power switch button 4 is firstly turned on, the tester is switched to a speed testing mode through the mode switching button 5, when the speed testing mode indicator light 9 is turned on, the hand-held tester brings the magnetic induction sensor 11 close to the rotating low voltage electric motor 29, the magnetic induction sensor 10 receives a speed parameter of the low voltage electric motor 29 and sends the speed parameter to the microcontroller 7, wherein the microcontroller 7 converts the speed parameter into an electric signal, and the electric signal is amplified by an electronic circuit and then sent to the liquid crystal display 6 for displaying, so that the speed testing of the low voltage electric motor 29 for dental instruments is completed. Through above-mentioned rotational speed test mode, can test the rotational speed of dental implantation motor or the rotational speed of other electric tool motors.
Referring to fig. 6, in the test of the working frequency of the dental scaler handpiece 30 for dental instruments, the power switch button 4 is turned on, the tester is switched to the frequency test mode through the mode switching button 5, when the frequency test mode indicator light 10 is turned on, the hand-held tester brings the magnetic induction sensor 11 close to the vibrating rod 31 on the dental scaler handpiece 30 which is working, the magnetic induction sensor 10 receives the vibration parameter of the vibrating rod 31 and sends the vibration parameter to the microcontroller 7, wherein the microcontroller 7 converts the vibration parameter into an electric signal, amplifies the electric signal through an electronic circuit and sends the electric signal to the liquid crystal display 6 for displaying, and the test of the working frequency of the dental scaler handpiece 30 for dental instruments is completed.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (6)
1. A hand-held magnetic induction rotating speed and frequency comprehensive tester comprises a front cover, a rear cover and a circuit board, wherein the circuit board is fixedly arranged between the front cover and the rear cover; the circuit board is characterized in that a power switch key, a mode switching key, a liquid crystal display screen, a microcontroller, a rotating speed test mode indicator lamp, a frequency test mode indicator lamp and a magnetic induction sensor are welded on the circuit board, wherein the magnetic induction sensor is arranged at the top end of the circuit board.
2. The hand-held magnetic induction rotational speed and frequency comprehensive tester according to claim 1, wherein the front cover is provided with a power switch key fixing position, a mode switching key fixing position, a display window, a rotational speed test mode indicator lamp fixing position and a frequency test mode indicator lamp fixing position, and a first clamping groove is formed in the top end of the front cover.
3. The hand-held magnetic induction rotational speed and frequency comprehensive tester according to claim 1, wherein a second clamping groove is formed at the top end of the rear cover, and a battery accommodating groove is formed below the rear cover; a lithium battery is arranged in the battery accommodating groove, and a battery cover is arranged outside the battery accommodating groove.
4. The hand-held magnetic induction comprehensive tester for rotational speed and frequency according to claim 1, wherein the front cover is fixedly connected with the rear cover through a bolt, and a first clamping groove at the top end of the front cover is opposite to a second clamping groove at the top end of the rear cover; a fixing plate is arranged between the first clamping groove and the second clamping groove, and clamping strips are arranged on the periphery of the fixing plate and are respectively clamped with the first clamping groove and the second clamping groove.
5. The hand-held magnetic induction rotational speed and frequency comprehensive tester according to claim 4, wherein a magnetic induction sensor protective cap is disposed on the upper end of the fixing plate, and wherein the magnetic induction sensor protective cap is disposed on the upper end of the magnetic induction sensor.
6. The hand-held magnetic induction rotational speed and frequency comprehensive tester according to claim 1, wherein the circuit board is fixedly mounted inside the front cover by bolts, wherein a power switch key, a mode switching key, a rotational speed test mode indicator light and a frequency test mode indicator light welded on the circuit board are respectively in one-to-one correspondence with a power switch key fixing position, a mode switching key fixing position, a rotational speed test mode indicator light fixing position and a frequency test mode indicator light fixing position on the front cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121100246.8U CN215180286U (en) | 2021-05-21 | 2021-05-21 | Hand-held type magnetic induction rotational speed and frequency integrated tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121100246.8U CN215180286U (en) | 2021-05-21 | 2021-05-21 | Hand-held type magnetic induction rotational speed and frequency integrated tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215180286U true CN215180286U (en) | 2021-12-14 |
Family
ID=79374326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121100246.8U Expired - Fee Related CN215180286U (en) | 2021-05-21 | 2021-05-21 | Hand-held type magnetic induction rotational speed and frequency integrated tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215180286U (en) |
-
2021
- 2021-05-21 CN CN202121100246.8U patent/CN215180286U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |