CN216900707U - Overspeed and underspeed detection device based on signal frequency change - Google Patents
Overspeed and underspeed detection device based on signal frequency change Download PDFInfo
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- CN216900707U CN216900707U CN202122043226.8U CN202122043226U CN216900707U CN 216900707 U CN216900707 U CN 216900707U CN 202122043226 U CN202122043226 U CN 202122043226U CN 216900707 U CN216900707 U CN 216900707U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses an overspeed and underspeed detection device based on signal frequency change, which has the technical scheme main points that: the device comprises a shell, wherein two instrument holes are formed in one side of the shell, and a mounting hole is formed in one side of the shell; the detection assembly is arranged in the shell and used for detecting signal frequency, the detection assembly comprises an analog sensor, the analog sensor is fixedly installed on the bottom surface of the inner portion of the shell, an oscilloscope is fixedly installed on one side of the inner portion of the shell, a manual switch is sleeved in the mounting hole, a processor is fixedly installed on one side of the inner portion of the shell, the analog sensor is arranged and used for compensating the frequency of signals, the proportion of signal change required by the oscilloscope is adjusted through the manual switch, the input value of the analog sensor and the input value of the oscilloscope are calculated through the processor, the sum of the input value of the analog sensor and the input value of the oscilloscope is the proportion of the change of the final output signal relative to the input signal, and the detection accuracy is improved.
Description
Technical Field
The utility model relates to the technical field of signal detection, in particular to an overspeed and underspeed detection device based on signal frequency change.
Background
In the field of signal processing technology, it is often necessary to convert signals sensed by a sensor into frequency signals.
For example, chinese patent publication No. CN211785784U proposes a portable weak electrical engineering signal frequency detection device, in which, because the connection mode between the limiting block and the connection block is hinged, the limiting block and the connection block are connected by a spring, and the limiting block and the connection block form an annular structure, the connection band can be fixed, and the connection band is hung on the neck of a user, so that the device is convenient to carry, and the internal parts are convenient to overhaul.
SUMMERY OF THE UTILITY MODEL
In view of the problems mentioned in the background art, it is an object of the present invention to provide an overspeed and underspeed detecting apparatus based on signal frequency variation, so as to solve the problems mentioned in the background art.
The technical purpose of the utility model is realized by the following technical scheme:
an overspeed and underspeed detection device based on signal frequency change comprises: the device comprises a shell, a positioning device and a control device, wherein two instrument holes are formed in one side of the shell, and a mounting hole is formed in one side of the shell; the detection assembly is arranged in the shell and used for detecting signal frequency, the detection assembly comprises an analog sensor, the analog sensor is fixedly installed on the bottom surface of the shell, the detection end cover of the analog sensor is arranged in the lower side position inside the instrument hole, an oscilloscope is fixedly installed on one side of the inside of the shell, the detection end cover of the oscilloscope is arranged in the upper side position inside the instrument hole, a manual switch is sleeved on the inside of the mounting hole, a processor is fixedly installed on one side of the inside of the shell, and the processor is electrically connected with the analog sensor and the oscilloscope.
By adopting the technical scheme, the detection assembly is arranged, the signal type and the frequency are detected by the detection assembly, the change of the signal frequency is detected to be overspeed or underspeed, the analog sensor is arranged and used for compensating the frequency of the signal, so that the signal frequency is more stable, the manual switch is arranged, the proportion of the change of the signal required by the oscilloscope is adjusted by the manual switch, the input value of the analog sensor and the input value of the oscilloscope are calculated by the processor to be the proportion of the change of the final output signal relative to the input signal, the change of the signal frequency is detected, and the detection accuracy is improved.
Preferably, the detection assembly further comprises: the main display is fixedly arranged on one side of the shell and is electrically connected with the processor; and the secondary display is fixedly arranged on one side of the shell and is electrically connected with the analog sensor and the oscilloscope.
By adopting the technical scheme, the main display is arranged, the final signal change proportion calculated by the processor is displayed through the main display, the signal frequency of the input end of the analog sensor and the oscilloscope and the proportion changed through manual output signals are displayed through the secondary display, and the change of the signal frequency is convenient for workers to observe.
Preferably, a mounting groove is formed in one side of the shell, and an outdoor power supply assembly is arranged inside the mounting groove and used for supplying power to the detection device.
Through adopting above-mentioned technical scheme, through setting up outdoor power supply subassembly, when the staff need carry out the detected signal frequency in the open air, supply power for detection device through outdoor power supply subassembly, promote the convenience.
Preferably, the outdoor power supply assembly comprises: the battery box is sleeved inside the mounting groove, a storage battery is arranged inside the battery box, a protective cover is arranged on one side of the battery box, and a plurality of heat exhaust holes are formed in the left side and the right side of the battery box; the limiting part is arranged inside the battery box and used for limiting the storage battery.
Through adopting above-mentioned technical scheme, through setting up the battery box, supply power for detection device through the inside battery of battery box, avoid using detection device in the open air at the staff, reduce detection device's practicality, through setting up the visor, when battery power crosses lowly, change the battery through opening the visor, promote the practicality.
Preferably, the stopper includes: the fixing grooves are respectively formed in two sides of the interior of the battery box, and springs are fixedly mounted in the fixing grooves; and a limiting plate is fixedly arranged at one end of the spring.
Through adopting above-mentioned technical scheme, through setting up the limiting plate, when the staff put into the battery box inside to the battery, can extrude the one end of limiting plate, limiting plate can extrude the spring this moment, and the reaction force through the spring promotes the limiting plate and carries out spacing fixed to the battery, avoids the battery to rock in the inside of battery box, leads to the battery to damage, promotes life.
Preferably, a plurality of heat dissipation holes are formed in one side of the shell, and dust screens are fixedly mounted inside the heat dissipation holes.
Through adopting above-mentioned technical scheme, through setting up the louvre, when the inside instrument of detection device at the during operation, can produce the heat, make external air and the inside hot gas flow replacement of shell through the louvre to reduce the inside temperature of shell and play radiating effect.
In summary, the utility model mainly has the following beneficial effects:
the detection assembly is arranged, the signal type and the frequency are detected through the detection assembly, the condition that the signal frequency change is overspeed or underspeed is detected, the analog sensor is arranged and used for compensating the frequency of the signal, the signal frequency is more stable, the manual switch is arranged, the ratio of the change of the oscilloscope required signal is adjusted through the manual switch, the input value of the analog sensor and the input value of the oscilloscope are calculated through the processor to obtain the ratio of the change of the final output signal relative to the input signal, the change of the signal frequency is detected, and the detection accuracy is improved.
Through setting up the main display, show the final signal change proportion after the treater calculates through the main display, show the signal frequency of analog sensor and oscilloscope's input and the proportion that changes through manual output signal through inferior display, make things convenient for the staff to observe the change of signal frequency, through setting up outdoor power supply assembly, when the staff carries out the detected signal frequency in the open air needs, supply power for detection device through outdoor power supply assembly, promote the convenience.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic illustration of a disassembled structure of the housing of the present invention;
fig. 3 is a schematic diagram of a disassembled structure of the battery box of the utility model.
Reference numerals: 1. a housing; 2. an instrument well; 3. mounting holes; 4. an analog sensor; 5. an oscilloscope; 6. a manual switch; 7. a processor; 8. a main display; 9. a secondary display; 10. mounting grooves; 11. a battery box; 12. a protective cover; 13. heat removal holes; 14. fixing grooves; 15. a spring; 16. a limiting plate; 17. and (4) heat dissipation holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 2, an overspeed and underspeed detecting device based on signal frequency change comprises a housing 1, two instrument holes 2 are formed in one side of the housing 1, a mounting hole 3 is formed in one side of the housing 1, a detecting component is arranged in the housing 1 and used for detecting signal frequency, the detecting component comprises an analog sensor 4, the analog sensor 4 is fixedly installed on the inner bottom surface of the housing 1, a detecting end sleeve of the analog sensor 4 is sleeved in the instrument hole 2 located at the lower side, an oscilloscope 5 is fixedly installed on one side in the housing 1, a detecting end sleeve of the oscilloscope 5 is sleeved in the instrument hole 2 located at the upper side, a manual switch 6 is sleeved in the mounting hole 3, the manual switch 6 is electrically connected with the analog sensor 4 and the oscilloscope 5, a processor 7 is fixedly installed on one side in the housing 1, and the processor 7 is electrically connected with the analog sensor 4 and the oscilloscope 5, the analog sensor 4 is arranged, the analog sensor 4 is used for compensating the frequency of a signal, the frequency of the signal is more stable, the manual switch 6 is arranged, the ratio of the change of a signal required by the oscilloscope 5 is adjusted through the manual switch 6, the input value of the analog sensor 4 and the input value of the oscilloscope 5 are calculated through the processor 7 and are the ratio of the change of a final output signal relative to the input signal, so that the change of the frequency of the signal is detected, the detection accuracy is improved, the detection assembly further comprises a main display 8, the main display 8 is fixedly arranged on one side of the shell 1, and the main display 8 is electrically connected with the processor 7; inferior display 9, inferior display 9 fixed mounting is in one side of shell 1, inferior display 9 and analog sensor 4 and oscilloscope 5 electric connection, through setting up main display 8, show the final signal change proportion after processor 7 calculates through main display 8, show the signal frequency of analog sensor 4 and oscilloscope 5's input and through the signal change proportion of manual output through inferior display 9 how much, make things convenient for the staff to observe the change of signal frequency
Referring to fig. 1, 2 and 3, a mounting groove 10 is formed on one side of a housing 1, an outdoor power supply assembly is arranged inside the mounting groove 10 and used for supplying power to a detection device, the outdoor power supply assembly comprises a battery box 11, the battery box 11 is sleeved inside the mounting groove 10, a storage battery is arranged inside the battery box 11, a protective cover 12 is arranged on one side of the battery box 11, the detection device is supplied with power through the storage battery inside the battery box 11 by arranging the battery box 11, the situation that the detection device cannot be used outdoors by workers is avoided, the practicability of the detection device is reduced, the storage battery is replaced by opening the protective cover 12 by arranging the protective cover 12 when the electric quantity of the storage battery is too low, the practicability is improved, a plurality of heat exhaust holes 13 are formed in the positions of the left side and the right side of the battery box 11, a limiting part is arranged inside the battery box 11 and used for limiting the storage battery, the limiting part comprises a plurality of fixing grooves 14, the fixing grooves 14 are respectively arranged at two sides of the interior of the battery box 11, springs 15 are fixedly arranged in the interior of the fixing grooves 14, a limiting plate 16 is fixedly arranged at one end of each spring 15, by arranging the limiting plate 16, when a worker puts a storage battery into the battery box 11, one end of the limiting plate 16 is extruded, at the moment, the limiting plate 16 extrudes the springs 15, the limiting plate 16 is pushed by the reaction force of the springs 15 to limit and fix the storage battery, the storage battery is prevented from shaking in the interior of the battery box 11 to cause damage to the storage battery, the service life is prolonged, one side of the shell 1 is provided with a plurality of radiating holes 17, dust screens are fixedly arranged in the interiors of the radiating holes 17, by arranging the radiating holes 17, when an instrument in the detection device works, heat can be generated, and the external air is replaced by hot air in the shell 1 through the radiating holes 17, thereby reduce the inside temperature of shell 1 and play radiating effect, avoid external dust to enter into the inside of shell 1 through the dust screen, reduce detection device's life.
The working principle is as follows: referring to fig. 1, 2 and 3, when in use, the detection component is arranged, the detection component is used for detecting the type and frequency of a signal, the change of the frequency of the signal is detected to be overspeed or underspeed, the analog sensor 4 is arranged, the analog sensor 4 is used for compensating the frequency of the signal, the frequency of the signal is more stable, the manual switch 6 is arranged, the manual switch 6 is used for adjusting the proportion of the change of a signal required by the oscilloscope 5, the processor 7 is used for calculating the input value of the analog sensor 4 and the input value of the oscilloscope 5 and obtaining the sum of the calculated input value of the analog sensor 4 and the input value of the oscilloscope 5 as the change proportion of a final output signal relative to the input signal, so the change of the frequency of the signal is detected, the detection accuracy is improved, the main display 8 is arranged, the final signal change proportion calculated by the processor 7 is displayed by the main display 8, and the signal frequency of the input ends of the analog sensor 4 and the oscilloscope 5 and the signal change proportion of the manual output are displayed by the secondary display 9 What, through setting up battery box 11, supply power for detection device through the inside battery of battery box 11, avoid using detection device at the staff in the open air, reduce detection device's practicality, through setting up visor 12, cross when low as battery power, change the battery through opening visor 12, promote the practicality, cross and set up limiting plate 16, when the staff puts into battery box 11 inside to the battery, can extrude limiting plate 16's one end, limiting plate 16 can extrude spring 15 this moment, reaction force through spring 15 promotes limiting plate 16 and carries out spacing fixed to the battery, avoid the battery to rock in battery box 11's inside, lead to the battery to damage, promote life.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An overspeed and underspeed detection device based on signal frequency change is characterized by comprising:
the device comprises a shell (1), wherein two instrument holes (2) are formed in one side of the shell (1), and a mounting hole (3) is formed in one side of the shell (1);
the detection assembly is arranged in the shell (1) and used for detecting signal frequency, the detection assembly comprises an analog sensor (4), the analog sensor (4) is fixedly installed on the bottom surface of the shell (1), the detection end sleeve of the analog sensor (4) is arranged at the lower side position in the instrument hole (2), an oscilloscope (5) is fixedly installed on one side of the shell (1), the detection end sleeve of the oscilloscope (5) is arranged at the upper side position in the instrument hole (2), a manual switch (6) is sleeved in the installation hole (3), a processor (7) is fixedly installed on one side of the shell (1), and the processor (7) is electrically connected with the analog sensor (4) and the oscilloscope (5).
2. The overspeed and underspeed detection device based on signal frequency variation according to claim 1, characterized in that: the detection assembly further comprises:
a main display (8), wherein the main display (8) is fixedly arranged on one side of the shell (1), and the main display (8) is electrically connected with the processor (7);
the secondary display (9), the secondary display (9) is fixedly installed on one side of the shell (1), and the secondary display (9) is electrically connected with the analog sensor (4) and the oscilloscope (5).
3. The overspeed and underspeed detection device based on signal frequency variation according to claim 1, characterized in that: mounting groove (10) have been seted up to one side of shell (1), the inside of mounting groove (10) is provided with the outdoor power supply subassembly for supply power for detection device.
4. The overspeed and underspeed detection device based on signal frequency variation according to claim 3, characterized in that: the outdoor power supply assembly includes:
the battery box (11) is sleeved in the mounting groove (10), a storage battery is arranged in the battery box (11), a protective cover (12) is arranged on one side of the battery box (11), and a plurality of heat exhaust holes (13) are formed in the left side and the right side of the battery box (11);
the limiting part is arranged inside the battery box (11) and used for limiting the storage battery.
5. The overspeed and underspeed detection device based on signal frequency variation according to claim 4, characterized in that: the stopper includes: a plurality of fixed slot (14), a plurality of fixed slot (14) are seted up respectively the inside both sides position of battery box (11), the inside fixed mounting of fixed slot (14) has spring (15), the one end fixed mounting of spring (15) has limiting plate (16).
6. The overspeed and underspeed detection device based on signal frequency variation according to claim 1, characterized in that: a plurality of radiating holes (17) are formed in one side of the shell (1), and a plurality of dust screens are fixedly mounted inside the radiating holes (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122043226.8U CN216900707U (en) | 2021-08-27 | 2021-08-27 | Overspeed and underspeed detection device based on signal frequency change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122043226.8U CN216900707U (en) | 2021-08-27 | 2021-08-27 | Overspeed and underspeed detection device based on signal frequency change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216900707U true CN216900707U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122043226.8U Active CN216900707U (en) | 2021-08-27 | 2021-08-27 | Overspeed and underspeed detection device based on signal frequency change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216900707U (en) |
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2021
- 2021-08-27 CN CN202122043226.8U patent/CN216900707U/en active Active
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