CN208653467U - It is a kind of based on infrared inclination alarming device - Google Patents
It is a kind of based on infrared inclination alarming device Download PDFInfo
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- CN208653467U CN208653467U CN201821644874.0U CN201821644874U CN208653467U CN 208653467 U CN208653467 U CN 208653467U CN 201821644874 U CN201821644874 U CN 201821644874U CN 208653467 U CN208653467 U CN 208653467U
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 6
- 238000012360 testing method Methods 0.000 claims description 25
- 230000008859 change Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- 239000010937 tungsten Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a kind of based on infrared inclination alarming device, belongs to monitoring technology field.Including Infrared measuring devices, power supply circuit, driving circuit, arm processor, early warning circuit and liquid crystal touch screen.Infrared measuring devices are made of infrared transmitter, infrared remote receiver and Measuring plate, when mechanism tilts to be tested, Infrared measuring devices level changes, and data are transferred to arm processor, arm processor is analyzed and is judged to data, and judging result is sent to liquid crystal touch screen and early warning circuit.The utility model can quick mechanism for monitoring inclination conditions, have structure simple, the features such as high sensitivity.
Description
Technical field
The utility model relates to a kind of based on infrared inclination alarming device, belong to monitoring technology field.
Background technique
Scaffold is that construction and stage build indispensable tool, with building constantly tall and bigization and complexity
Change, this results in following scaffold malfunction elimination to become more and more difficult, and scaffold safety accident outburst rate is higher and higher.
If there is a set of monitoring device, alarm can be issued when the inclination of very little occurs for scaffold angle, construction personnel checks in time
Hidden danger can then effectively prevent scaffold to collapse.
Summary of the invention
For the above technical need of the prior art, the purpose of this utility model is to provide a kind of based on infrared inclination
Warning device, can be in object run-off the straight alarm.
To achieve the above objectives, the present invention adopts the following technical solutions: it is a kind of based on infrared inclination alarming device,
It is characterised in that it includes Infrared measuring devices, power supply circuit, driving circuit, arm processor, early warning circuit and liquid crystal touch screen；
The Infrared measuring devices are made of infrared transmitter, infrared remote receiver and Measuring plate, and Measuring plate is by disk, quality
Block and rotation axis are constituted, and are uniform-distribution with a ring through hole around the center of circle on disk, and the quantity of through-hole is 360, corresponding expression
The angle change value of one through-hole to another adjacent through-hole is 1 °, and the center of all through-holes is identical at a distance from the center of circle, matter
The material of gauge block is tungsten, and mass block is fixed on disk, and the center of disk has a large through-hole, and rotation axis is placed in the big of disk
In through-hole, disk can be rotated 360 ° around rotation axis, and infrared transmitter and infrared remote receiver are placed in the two sides of disk, infrared hair
Send the position between device and lead to the hole site or two through-holes on infrared remote receiver placement location face disk, and infrared transmission
The transmitting of device and infrared remote receiver and receiving direction are axial parallel with rotation axis, the rotation axis of Infrared measuring devices it is axial and to
The installation direction for surveying object is vertical；
The power supply circuit is 5.5V at, battery nominal voltage by battery, power conversion board and battery charging management board group,
Power conversion board converts battery voltage to 5V and two kinds of voltages of 3.3V, battery charging management plate external charge mouth, power supply circuit
For the power supply of two sets of Infrared measuring devices, driving circuit, arm processor, early warning circuit and liquid crystal touch screen；
The driving circuit is mainly made of voltage follower and bleeder circuit, and the measurement of Infrared measuring devices output is believed
The voltage signal for number being converted to 0V~3.3V fluctuation, sends arm processor to；
The early warning circuit is made of buzzer, indicator light, drive circuit board, when Infrared measuring devices detect abnormal letter
After number, arm processor controls the drive circuit board in early warning circuit, and drive circuit board drives buzzer and indicator light, early warning electricity
Road exports sound early warning and light flash；
The liquid crystal touch screen is for starting or stoping monitoring activity and the booting of equipment and suspend mode；
The Infrared measuring devices are connected with driving circuit, and driving circuit is connected with arm processor, arm processor output
End is connected with liquid crystal touch screen, and arm processor output end is connected with early warning circuit.
More preferably, the power supply circuit provides 5V and the two different voltages of 3.3V, and wherein power supply circuit is arm processor
3.3V voltage is provided, power supply circuit is Infrared measuring devices, driving circuit, early warning circuit, liquid crystal touch screen provide 5V voltage.
More preferably, the Infrared measuring devices are equipped with mass block, in equilibrium state, under the gravity of mass block,
Measuring plate is rotated around rotation axis, until mass block is in underface, infrared transmitter and infrared remote receiver placement location be just at this time
To the position between the lead to the hole site or two through-holes on disk, infrared transmitter is connected with power supply circuit, infrared remote receiver
It is connected with driving circuit, power supply circuit provides 5V voltage for infrared transmitter, when infrared remote receiver receives infrared transmitter
When optical signal, the level signal that driving circuit experiences infrared transmitter carries out conversion and driving processing, is supplied to ARM processing
Device, when the lead to the hole site on infrared transmitter and infrared remote receiver placement location face disk, infrared transmitter will be red at this time
External signal passes to infrared remote receiver by the through-hole in Measuring plate, the high level of the 5V of infrared remote receiver output at this time, when infrared
When transmitter and infrared remote receiver are placed on the position between two through-holes on disk, infrared remote receiver does not receive red at this time
The signal that outer transmitter is sent, infrared remote receiver output at this time is not more than 0.4V low level, when object under test run-off the straight, by
It to be in underface, Measuring plate meeting automatic capturing always in the mass block in Measuring plate, Measuring plate rotates, infrared transmitter
With the rotation process of infrared remote receiver record Measuring plate, and arm processor is transmitted a signal to, arm processor is according to receiving
Two-way Infrared measuring devices in infrared remote receiver low and high level change information, can data combination go out the inclination of object under test
Angle and corresponding frequency.
More preferably, the arm processor is provided with tilt margins alarming value, and tilt margins alarming value is 1 °~6 °, when inclining
When rake angle reaches nargin alarming value, early warning circuit is sounded an alarm.
The working principle of the utility model is as follows:
The utility model is fixed on the object under test that original state is any tilt angle.
After completing system boot self-test by liquid crystal touch screen, system starts test job, when object under test run-off the straight
When, the Measuring plate in Infrared measuring devices rotates, and infrared remote receiver receives the infrared signal of infrared transmitter output
Variation, infrared remote receiver simultaneously transmit the signal to driving circuit, after driving circuit handles signal, which are transmitted
To arm processor, which identifies and handles the signal of the Infrared measuring devices received, and data combination goes out
The tilt angle of object, when tilt angle reaches early warning value, early warning circuit work makes a sound early warning and light flash, mentions
Awake related personnel pays attention to.
Click the shutdown switch on liquid crystal touch screen, system enters stopping test pattern, stop any data record and
Early warning movement.
Because using above technical scheme, the advantageous effects of the utility model are as follows:
A) the utility model uses Infrared measuring devices, can experience any angle of object under test and corresponding frequency becomes
Change, measurement reliability is high；
B) mass block is set in Measuring plate, mass block selects tungsten material, because the density of tungsten is larger, mass block can be with
Lesser volume has biggish quality, so that the angle tilt of more sensitive object under test changes.
Detailed description of the invention
Fig. 1 is a kind of composition schematic diagram based on infrared inclination alarming device of the utility model；
Fig. 2 is a kind of composition schematic diagram of the Infrared measuring devices based on infrared inclination alarming device of the utility model；
Fig. 3 is a kind of data record that a certain tilt angle is tested based on infrared inclination alarming device of the utility model.
In FIG. 1 to FIG. 3: 1-Infrared measuring devices, 1-1-infrared transmitter, 1-2-infrared remote receiver, 1-3-measurement
Disk, 2-power supply circuits, 3-driving circuits, 4-arm processors, 5-early warning circuits, 6-liquid crystal touch screens.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and specifically
Embodiment is described in further detail the utility model.It should be appreciated that specific embodiment described herein is only used to solve
The utility model is released, is not used to limit the utility model.In addition, in the various embodiments of the present invention described below
Involved technical characteristic can be combined with each other as long as they do not conflict with each other.
A kind of preferred embodiment based on infrared inclination alarming device of the utility model, as shown in Figure 1, including infrared
Measuring device 1, power supply circuit 2, driving circuit 3, arm processor 4, early warning circuit 5 and liquid crystal touch screen 6；
The Infrared measuring devices 1 are as shown in Fig. 2, by infrared transmitter 1-1, infrared remote receiver 1-2 and Measuring plate 1-3 structure
At Measuring plate 1-3 is made of disk, mass block and rotation axis, is uniform-distribution with a ring through hole, via count around the center of circle on disk
Amount is 360, and the angle change value of one through-hole of corresponding expression to another adjacent through-hole is 1 °, the center of all through-holes
With it is identical at a distance from the center of circle, the material of mass block is tungsten, and mass block is fixed on disk, and the center of disk has one big logical
Hole, rotation axis are placed in the large through-hole of disk, and disk can be rotated 360 ° around rotation axis, infrared transmitter 1-1 and infrared are connect
Receive the two sides that device 1-2 is placed in disk, the through-hole position on infrared transmitter 1-1 and infrared remote receiver 1-2 placement location face disk
Set or two through-holes between position, and the transmitting and receiving direction and rotation of infrared transmitter 1-1 and infrared remote receiver 1-2
The axial direction of axis is parallel, and the rotation axis of Infrared measuring devices 1 is axial vertical with the installation direction of object under test；
The power supply circuit 2 is by battery, power conversion board and battery charging management board group at battery nominal voltage is
5.5V, power conversion board convert battery voltage to 5V and two kinds of voltages of 3.3V, battery charging management plate external charge mouth, wherein
Power supply circuit 2 is that arm processor 4 provides 3.3V voltage, and power supply circuit 2 is Infrared measuring devices 1, driving circuit 3, early warning circuit
5, liquid crystal touch screen 6 provides 5V voltage；
The driving circuit 3 is mainly made of voltage follower and bleeder circuit, the measurement that Infrared measuring devices 1 are exported
Signal is converted to the voltage signal of 0V~3.3V fluctuation, sends arm processor 4 to；
The early warning circuit 5 is made of buzzer, indicator light, drive circuit board, when Infrared measuring devices 1 detect exception
After signal, arm processor 4 controls the drive circuit board in early warning circuit 5, and drive circuit board drives buzzer and indicator light, in advance
Alert circuit 5 exports sound early warning and light flash；
The liquid crystal touch screen 6 is for starting or stoping monitoring activity and the booting of equipment and suspend mode；
For the present embodiment circuit connecting relation as shown in Figure 1, the Infrared measuring devices 1 are connected with driving circuit 3, driving is electric
Road 3 is connected with arm processor 4, and 4 output end of arm processor is connected with liquid crystal touch screen 6,4 output end of arm processor and early warning
Circuit 5 is connected.
Further, the Infrared measuring devices 1 are equipped with mass block, in equilibrium state, in the gravity of mass block
Under, Measuring plate is rotated around rotation axis, until mass block is in underface, infrared transmitter 1-1 and infrared remote receiver 1-2 are put at this time
The position between lead to the hole site or two through-holes on seated position face disk, infrared transmitter 1-1 and 2 phase of power supply circuit
Even, infrared remote receiver 1-2 is connected with driving circuit 3, and power supply circuit 2 provides 5V voltage for infrared transmitter 1-1, works as infrared receiver
When device 1-2 receives the optical signal of infrared transmitter 1-1, level signal that driving circuit 3 experiences infrared transmitter 1-1 into
Row conversion and driving processing, are supplied to arm processor 4, as infrared transmitter 1-1 and infrared remote receiver 1-2 placement location face
When lead to the hole site on disk, infrared signal is passed to infrared connect by the through-hole in Measuring plate by infrared transmitter 1-1 at this time
Device 1-2 is received, infrared remote receiver 1-2 exports the high level of 5V at this time, when infrared transmitter 1-1 and infrared remote receiver 1-2 are placed on
When position between two through-holes on disk, infrared remote receiver 1-2 does not receive the letter of infrared transmitter 1-1 transmission at this time
Number, infrared remote receiver 1-2 output at this time is not more than 0.4V low level, when object under test run-off the straight, due in Measuring plate
Mass block will be in underface always, Measuring plate can automatic capturing, Measuring plate rotates, and infrared transmitter 1-1 and infrared connects
The rotation process of device 1-2 record Measuring plate is received, and transmits a signal to arm processor 4, arm processor 4 is according to two received
The low and high level change information of infrared remote receiver 1-2 in road Infrared measuring devices 1, can data combination go out the inclination of object under test
Angle and corresponding frequency.
Further, the arm processor 4 is provided with tilt margins alarming value, and tilt margins alarming value is 1 °~6 °, when
When tilt angle reaches nargin alarming value, early warning circuit 5 is sounded an alarm.
The working principle of the present embodiment is as follows: it is the to be measured of any tilt angle that the utility model, which is fixed on original state,
On object.
After completing system boot self-test by liquid crystal touch screen 6, system starts test job, when angle occurs for object under test
When inclination, the Measuring plate 1-3 in Infrared measuring devices 1 is rotated, and it is defeated that infrared remote receiver 1-2 receives infrared transmitter 1-1
The variation of infrared signal out, infrared remote receiver 1-2 simultaneously transmit the signal to driving circuit 3, and driving circuit 3 carries out signal
After processing, arm processor 4 is transmitted this information to, signal of the arm processor 4 to the two-way Infrared measuring devices 1 received
Identify and data combination processing, can be obtained object under test tilt angle and corresponding transformation period, for example, initial shape
State, the through-hole on infrared transmitter 1-1 and infrared remote receiver 1-2 face Measuring plate 1-3, when the angle change of object under test is
2 °, the record case of arm processor 4 is as shown in Figure 3.Initial △ t moment, the Infrared measuring devices 1 that arm processor 4 records pass
The high level signal passed, the low level signal that the Infrared measuring devices 1 that then arm processor 4 records pass over, continues
Time is t1, and the tilt angle of corresponding object under test is 0.5 °, and the Infrared measuring devices 1 that then arm processor 4 records transmit
The high level signal to come over, duration t2, the tilt angle of corresponding object under test are 1 °, and then arm processor 4 records
The low level signal that passes over of Infrared measuring devices 1, the tilt angle of duration t3, corresponding object under test is
1.5 °, the high level signal that the Infrared measuring devices 1 that then arm processor 4 records pass over, duration t4, accordingly
Object under test tilt angle be 2 °.When tilt angle reaches 2 ° of tilt angle of early warning value of setting, 5 work of early warning circuit
Make, make a sound early warning and light flash, related personnel is reminded to pay attention to.
Click the shutdown switch on liquid crystal touch screen 6, system enters stopping test pattern, stop any data record and
Early warning movement.
Particular circuit configurations involved in the present embodiment and software program, those skilled in the art can be according to selected devices
Concrete model, according to the operation instructions of device, circuit design handbook and the corresponding software programming books of practical application chip,
The materials such as handbook and specification, carry out designed, designed according to actual needs.
The above is only the preferred embodiment of the utility model, it should be pointed out that: for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (4)
1. a kind of based on infrared inclination alarming device, which is characterized in that including Infrared measuring devices (1), power supply circuit (2),
Driving circuit (3), arm processor (4), early warning circuit (5) and liquid crystal touch screen (6)；
The Infrared measuring devices (1) are made of infrared transmitter (1-1), infrared remote receiver (1-2) and Measuring plate (1-3), are surveyed
Amount disk (1-3) is made of disk, mass block and rotation axis, is uniform-distribution with a ring through hole, the number of through-hole around the center of circle on disk
Amount is 360, and the angle change value of one through-hole of corresponding expression to another adjacent through-hole is 1 °, the center of all through-holes
With it is identical at a distance from the center of circle, the material of mass block is tungsten, and mass block is fixed on disk, and the center of disk has one big logical
Hole, rotation axis are placed in the large through-hole of disk, and disk can be rotated 360 ° around rotation axis, infrared transmitter (1-1) and infrared
Receiver (1-2) is placed in the two sides of disk, on infrared transmitter (1-1) and infrared remote receiver (1-2) placement location face disk
Lead to the hole site or two through-holes between position, and the transmitting of infrared transmitter (1-1) and infrared remote receiver (1-2) and connect
For debit to axial parallel with rotation axis, the rotation axis axial direction of Infrared measuring devices (1) is vertical with the installation direction of object under test；
The power supply circuit (2) is 5.5V at, battery nominal voltage by battery, power conversion board and battery charging management board group,
Power conversion board converts battery voltage to 5V and two kinds of voltages of 3.3V, battery charging management plate external charge mouth, power supply circuit
It (2) is two sets of Infrared measuring devices (1), driving circuit (3), arm processor (4), early warning circuit (5) and liquid crystal touch screen (6)
Power supply；
The driving circuit (3) is mainly made of voltage follower and bleeder circuit, the measurement that Infrared measuring devices (1) is exported
Signal is converted to the voltage signal of 0V~3.3V fluctuation, sends arm processor (4) to；
The early warning circuit (5) is made of buzzer, indicator light, drive circuit board, when Infrared measuring devices (1) detect exception
After signal, arm processor (4) controls the drive circuit board in early warning circuit (5), and drive circuit board drives buzzer and instruction
Lamp, early warning circuit (5) export sound early warning and light flash；
The liquid crystal touch screen (6) is for starting or stoping monitoring activity and the booting of equipment and suspend mode；
The Infrared measuring devices (1) are connected with driving circuit (3), and driving circuit (3) is connected with arm processor (4), at ARM
Reason device (4) output end is connected with liquid crystal touch screen (6), and arm processor (4) output end is connected with early warning circuit (5).
2. according to claim 1 a kind of based on infrared inclination alarming device, which is characterized in that the power supply circuit
(2) 5V and the two different voltages of 3.3V are provided, wherein power supply circuit (2) is that arm processor (4) provide 3.3V voltage, power supply
Circuit (2) is Infrared measuring devices (1), driving circuit (3), early warning circuit (5), liquid crystal touch screen (6) provide 5V voltage.
3. according to claim 1 a kind of based on infrared inclination alarming device, which is characterized in that the infrared survey dress
It sets (1) and mass block is installed, in equilibrium state, under the gravity of mass block, Measuring plate is rotated around rotation axis, until quality
Block is in underface, at this time the lead to the hole site on infrared transmitter (1-1) and infrared remote receiver (1-2) placement location face disk
Or the position between two through-holes, infrared transmitter (1-1) are connected with power supply circuit (2), infrared remote receiver (1-2) and driving
Circuit (3) be connected, power supply circuit (2) be infrared transmitter (1-1) provide 5V voltage, when infrared remote receiver (1-2) receive it is red
When the optical signal of outer transmitter (1-1), driving circuit (3) converts the level signal that infrared transmitter (1-1) is experienced
It is handled with driving, arm processor (4) is supplied to, when infrared transmitter (1-1) and infrared remote receiver (1-2) placement location face
When lead to the hole site on disk, infrared transmitter (1-1) is passed to infrared signal by the through-hole in Measuring plate infrared at this time
Receiver (1-2), the high level of the 5V of infrared remote receiver (1-2) output at this time, when infrared transmitter (1-1) and infrared remote receiver
When (1-2) is placed on the position between two through-holes on disk, infrared remote receiver (1-2) does not receive infrared transmitter at this time
The signal that (1-1) is sent, infrared remote receiver (1-2) output at this time is not more than 0.4V low level, when object under test run-off the straight,
Since the mass block in Measuring plate will be in underface, Measuring plate meeting automatic capturing always, Measuring plate rotates, infrared transmission
The rotation process of device (1-1) and infrared remote receiver (1-2) record Measuring plate, and transmit a signal to arm processor (4), at ARM
The low and high level change information for the infrared remote receiver (1-2) in two-way Infrared measuring devices (1) that reason device (4) basis receives,
Can data combination go out the tilt angle and corresponding frequency of object under test.
4. according to claim 1 a kind of based on infrared inclination alarming device, which is characterized in that the arm processor
(4) it is provided with tilt margins alarming value, tilt margins alarming value is 1 °~6 °, when tilt angle reaches nargin alarming value, in advance
Alert circuit (5) sound an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821644874.0U CN208653467U (en) | 2018-10-11 | 2018-10-11 | It is a kind of based on infrared inclination alarming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821644874.0U CN208653467U (en) | 2018-10-11 | 2018-10-11 | It is a kind of based on infrared inclination alarming device |
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| Publication Number | Publication Date |
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| CN208653467U true CN208653467U (en) | 2019-03-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411378A (en) * | 2019-08-06 | 2019-11-05 | 杭州众硅电子科技有限公司 | A kind of wafer detecting apparatus and its detection method |
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2018
- 2018-10-11 CN CN201821644874.0U patent/CN208653467U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411378A (en) * | 2019-08-06 | 2019-11-05 | 杭州众硅电子科技有限公司 | A kind of wafer detecting apparatus and its detection method |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200619 Address after: 610000 room 2020, floor 20, building 3, No. 138, Tianfu Second Street, Chengdu high tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu Patentee after: Chengdu Zhifei Technology Co.,Ltd. Address before: No.66, group 2, Wusi village, Jiachuan Town, Wangcang County, Guangyuan City, Sichuan Province Co-patentee before: Jing Yutong Patentee before: Zhang Ruiling Co-patentee before: Sang Jiandong Effective date of registration: 20200619 Address after: No.66, group 2, Wusi village, Jiachuan Town, Wangcang County, Guangyuan City, Sichuan Province Co-patentee after: Jing Yutong Patentee after: Zhang Ruiling Co-patentee after: Sang Jiandong Address before: 432000 Dongyong Road, Xiaonan District, Xiaogan City, Hubei Province, No. 1101, 2 Jindong Huafu Building Patentee before: XIAOGAN DINGYUAN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 2020, 20 / F, building 3, No. 138, Tianfu 2nd Street, high tech Zone, Chengdu, Sichuan 610000 Patentee after: Zhifei Technology Group Co.,Ltd. Address before: No. 2020, 20 / F, building 3, No. 138, Tianfu 2nd Street, high tech Zone, Chengdu, Sichuan 610000 Patentee before: Chengdu Zhifei Technology Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A tilt alarm device based on Infrared Effective date of registration: 20220218 Granted publication date: 20190326 Pledgee: Agricultural Bank of China Limited Chengdu Jincheng sub branch Pledgor: Zhifei Technology Group Co.,Ltd. Registration number: Y2022110000034 |
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Date of cancellation: 20220418 Granted publication date: 20190326 Pledgee: Agricultural Bank of China Limited Chengdu Jincheng sub branch Pledgor: Zhifei Technology Group Co.,Ltd. Registration number: Y2022110000034 |
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Denomination of utility model: A tilt alarm device based on infrared Effective date of registration: 20231017 Granted publication date: 20190326 Pledgee: Agricultural Bank of China Limited Chengdu Jincheng sub branch Pledgor: Zhifei Technology Group Co.,Ltd. Registration number: Y2023980061393 |