CN107229215B - Time detection device and detection method - Google Patents
Time detection device and detection method Download PDFInfo
- Publication number
- CN107229215B CN107229215B CN201710348093.0A CN201710348093A CN107229215B CN 107229215 B CN107229215 B CN 107229215B CN 201710348093 A CN201710348093 A CN 201710348093A CN 107229215 B CN107229215 B CN 107229215B
- Authority
- CN
- China
- Prior art keywords
- time
- time detection
- signal
- shell
- detection device
- Prior art date
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 238000007493 shaping process Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims abstract description 7
- 239000013078 crystal Substances 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 230000036632 reaction speed Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G5/00—Setting, i.e. correcting or changing, the time-indication
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Abstract
The invention relates to a time detection device and a detection method. The time detection device comprises a shell and a display screen positioned outside the shell, wherein the shell comprises a central processing unit, a time base circuit and a counting module; the shell is internally provided with a shaping circuit and a photosensitive module, and the photosensitive module is connected with the shaping circuit and used for converting optical signals into electric signals; the invention automatically detects the time by connecting a photosensitive module at the front end of the time detection device, and the detection device avoids the error caused by the reaction speed of detection personnel aiming at the practical problems encountered in the current time detection process, improves the accuracy of time detection, and can conveniently and quickly complete the time detection of the detected equipment.
Description
Technical Field
The invention relates to the technical field of time calibration devices, in particular to a time detection device and a detection method realized by adopting the detection device.
Background
At present, people often have certain difference in the accuracy of detection time in the time calibration of equipment comprising a timer and an indicator light, because in the prior art, people mostly count time by a stopwatch for the time detection of the equipment, because the method of counting time by the stopwatch generally depends on the reaction speed of a detection person, and a measured result has a large error with the real time of the equipment to be detected.
Disclosure of Invention
The present invention has been made to overcome the above-mentioned drawbacks, and an object of the present invention is to provide a time detection apparatus and a time detection method, which can detect a time of a device including a timer and an indicator lamp with high accuracy of time synchronization with the device to be detected and can improve accuracy of time detection.
In order to achieve the purpose, the invention adopts the following technical scheme:
a time detection device comprises a shell and a display screen positioned outside the shell, wherein a central processing unit, a time base circuit and a counting module are arranged in the shell; the central processing unit is used for reading the time signal and displaying the time signal through the display screen; the time base circuit is connected with the central processing unit and is used for providing a standard clock signal for the central processing unit; the counting module is connected with the central processing unit and counts under the action of a control signal;
the shell is internally provided with a shaping circuit and a photosensitive module, and the photosensitive module is connected with the shaping circuit and used for converting optical signals into electric signals; the shaping circuit is connected with the counting module and used for converting the received electric signals into digital signals.
Preferably, the time base circuit generates a standard time signal by means of a crystal oscillator.
Preferably, the photosensitive module is a phototriode.
Preferably, the photosensitive module is a silicon photocell.
Preferably, the measurement accuracy of the time detection means is at least as accurate as 1 ms.
A time detection method is applied to a time detection device and comprises the following steps:
step 1: the time detection device is close to the detected equipment in a non-contact mode, and when an indicator light of the detected equipment is turned on, the time detection device converts the received optical signal into an electric signal through the photosensitive module until the indicator light is turned off;
step 2: the electric signal is converted into a digital signal which is easier to process after passing through a shaping filter circuit;
and step 3: the time base circuit generates a standard clock signal through a crystal oscillator;
and 4, step 4: the counting module starts counting under the control of the control signal;
and 5: the central processor reads the time signal, runs the program instructions, and displays the detected time on the display screen.
The invention has the beneficial effects that:
the invention automatically detects the time by connecting a photosensitive module at the front end of the time detection device, and the detection device avoids the error caused by the reaction speed of detection personnel aiming at the practical problems encountered in the current time detection process, improves the accuracy of time detection, and can conveniently and quickly complete the time detection of the detected equipment.
Drawings
FIG. 1 is a schematic structural diagram of a time detection apparatus according to the present invention;
fig. 2 is a schematic flow chart of a time detection method according to the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
referring to fig. 1, the invention relates to a time detection device, comprising a housing and a display screen 1 positioned outside the housing, wherein the housing comprises a central processing unit 2, a time base circuit 3 and a counting module 4; the central processing unit 2 is used for reading the time signal, processing the time signal and displaying the processed time signal through the display screen 1; the time base circuit 3 is connected with the central processing unit 2 and is used for providing a standard clock signal for the central processing unit 2; the counting module 4 is connected with the central processing unit 2 and counts under the action of a control signal; the shell is also internally provided with a shaping circuit 5 and a photosensitive module 6, and the photosensitive module 6 is connected with the shaping circuit 5 and used for converting an optical signal into an electrical signal; the shaping circuit 5 is connected with the counting module 4 and is used for converting the received electric signals into digital signals; the time base circuit 3 generates a standard time signal through a crystal oscillator; the photosensitive module 6 can be a phototriode or a silicon photocell; the measuring accuracy of the time detection device reaches 1 ms.
Therefore, the time detection device can sense the starting time and the stopping time of the detected equipment within a certain range in a non-contact mode, and accurately measure the specific time from starting to stopping of the detected equipment through the reaction time at least accurate to 1 ms; therefore, the accuracy of the time of the detected equipment is measured and judged.
Referring to fig. 2, the present invention relates to a time detection method applied to the time detection apparatus, the method comprising the following steps:
step S101: the time detection device is close to the detected equipment in a non-contact mode, and when an indicator light of the detected equipment is turned on, the time detection device converts the received optical signal into an electric signal through the photosensitive module until the indicator light is turned off;
step S102: the electric signal is converted into a digital signal which is easier to process after passing through a shaping filter circuit;
step S103: the time base circuit generates a standard clock signal through a crystal oscillator;
step S104: the counting module starts counting under the control of the control signal;
step S105: the central processor reads the time signal, runs the program instructions, and displays the detected time on the display screen.
The time detection method of the invention induces the tested equipment to generate direct current through the photosensitive module, generates an interrupt signal after analog-to-digital conversion to start the counting module, the central processing unit judges the interrupt signal until the indicator light of the tested equipment is turned off, the counting module stops counting, and finally time recording data is displayed, and the detection is finished.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; for a person skilled in the art, modifications may be made to the technical solutions described in the foregoing embodiments, or some or all of the technical features may be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (6)
1. A time detection device comprises a shell and a display screen positioned outside the shell, wherein a central processing unit, a time base circuit and a counting module are arranged in the shell; the central processing unit is used for reading the time signal and displaying the time signal through the display screen; the time base circuit is connected with the central processing unit and is used for providing a standard clock signal for the central processing unit; the counting module is connected with the central processing unit and counts under the action of a control signal;
the method is characterized in that: the shell is internally provided with a shaping circuit and a photosensitive module, and the photosensitive module is connected with the shaping circuit and used for converting optical signals into electric signals; the shaping circuit is connected with the counting module and used for converting the received electric signals into digital signals.
2. The time detection apparatus according to claim 1, characterized in that: the time base circuit generates a standard time signal by a crystal oscillator.
3. The time detection apparatus according to claim 1, characterized in that: the photosensitive module is a phototriode.
4. The time detection apparatus according to claim 1, characterized in that: the photosensitive module is a silicon photocell.
5. The time detection apparatus according to claim 1, characterized in that: the measurement accuracy of the time detection means is accurate to at least 1 ms.
6. A method of detection using the time detection apparatus of claims 1 to 4, characterized in that: the method comprises the following steps:
step 1: the time detection device is close to the detected equipment in a non-contact mode, and when an indicator light of the detected equipment is turned on, the time detection device converts the received optical signal into an electric signal through the photosensitive module until the indicator light is turned off;
step 2: the electric signal is converted into a digital signal which is easier to process after passing through a shaping filter circuit;
and step 3: the time base circuit generates a standard clock signal through a crystal oscillator;
and 4, step 4: the counting module starts counting under the control of the control signal;
and 5: the central processor reads the time signal, runs the program instructions, and displays the detected time on the display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710348093.0A CN107229215B (en) | 2017-05-17 | 2017-05-17 | Time detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710348093.0A CN107229215B (en) | 2017-05-17 | 2017-05-17 | Time detection device and detection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107229215A CN107229215A (en) | 2017-10-03 |
| CN107229215B true CN107229215B (en) | 2020-03-24 |
Family
ID=59933742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710348093.0A Active CN107229215B (en) | 2017-05-17 | 2017-05-17 | Time detection device and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107229215B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982470A (en) * | 2020-08-13 | 2020-11-24 | 宁波赛宝信息产业技术研究院有限公司 | Detection apparatus for thing networking terminal product |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2589604B1 (en) * | 1985-11-04 | 1988-01-22 | Longines Francillon Sa Cie Mon | APPARATUS FOR TIMING SPORTS RACES |
| CN2118502U (en) * | 1992-03-21 | 1992-10-14 | 中国人民解放军第四军医大学 | Hamster hot and pain reaction incubation period measuribng instrument |
| CN103852735B (en) * | 2012-11-29 | 2017-02-08 | 深圳市海洋王照明工程有限公司 | Lamp fixture discharge timing circuit |
| CN103969599B (en) * | 2013-01-31 | 2016-09-07 | 海洋王（东莞）照明科技有限公司 | Discharge time tested circuit by light fixture |
| CN104280690A (en) * | 2013-07-12 | 2015-01-14 | 海洋王（东莞）照明科技有限公司 | Lamp discharge time testing circuit |
| CN105300202B (en) * | 2015-11-25 | 2017-05-24 | 雅化集团绵阳实业有限公司 | Photoelectric initiating explosive device delay time detecting device |
-
2017
- 2017-05-17 CN CN201710348093.0A patent/CN107229215B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107229215A (en) | 2017-10-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SG10201801608QA (en) | Detecting conditions using heart rate sensors | |
| CN202648802U (en) | Anti-interference type Michelson interferometer stripe automatic counter | |
| CN102914758A (en) | Electronic type transformer verifying unit based on IEEE1588 clock calibration mode | |
| CN107229215B (en) | Time detection device and detection method | |
| CN201653450U (en) | Digital display meter automatic calibration device based on machine vision | |
| CN204086515U (en) | For the multifunction timepiece tester that electric energy meter detects | |
| CN202814839U (en) | Electromagnetic liquid viscosity coefficient testing instrument | |
| CN101995816A (en) | Automatic clock calibration method and automatic clock calibration device | |
| CN202267475U (en) | Angle measuring device capable of automatically reading | |
| CN204379289U (en) | Gmatjpdumamics measuring instrument | |
| CN103654735A (en) | Ear temperature measurement device and method for finding highest ear temperature | |
| CN204008621U (en) | A kind of high-precision intelligent dissolution rate instrument | |
| CN205317925U (en) | Intelligent ammeter metering error discriminating gear | |
| CN106371046B (en) | Device for detecting angular difference resolution of merging unit tester | |
| CN212484096U (en) | Time precision detection device | |
| CN203786111U (en) | Calibrating device for optical interference type methane measuring equipment | |
| CN211121856U (en) | Three-line pendulum period measuring device | |
| CN203385340U (en) | An automatic metering and detection apparatus | |
| CN203178032U (en) | Auxiliary reading device of measurement-based force measurement device | |
| CN202939966U (en) | Device for measuring indexing, revolution and rotation speed of turntable | |
| CN105160969A (en) | Multifunctional intelligent metrological verification actual operation simulation system | |
| CN204555921U (en) | A kind of photo-electric type linear displacement transducer | |
| CN203116701U (en) | Automatic measuring device for measuring spacing distance of optical lenses | |
| CN205379293U (en) | Blue tooth body temperature meter | |
| CN214122704U (en) | Instantaneous day difference measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231024 Address after: Room 101, No. 21-1 Yibin Road, Huli District, Xiamen City, Fujian Province, 361000 Patentee after: Shenzhen AVIC Technology Testing Institute Co.,Ltd. Xiamen Branch Address before: 361000 21 Yibin Road, Huli District, Xiamen City, Fujian Province Patentee before: FUJIAN ZHENGYI INDUSTRIAL METERING STATION CO.,LTD. |
|
| TR01 | Transfer of patent right |