CN105678952A - On-site security power supply operation prompting device - Google Patents
On-site security power supply operation prompting device Download PDFInfo
- Publication number
- CN105678952A CN105678952A CN201510916193.XA CN201510916193A CN105678952A CN 105678952 A CN105678952 A CN 105678952A CN 201510916193 A CN201510916193 A CN 201510916193A CN 105678952 A CN105678952 A CN 105678952A
- Authority
- CN
- China
- Prior art keywords
- power supply
- module
- box body
- guarantor
- master controller
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims description 4
- 230000006698 induction Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000005616 pyroelectricity Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 102100028043 Fibroblast growth factor 3 Human genes 0.000 description 1
- 102100024061 Integrator complex subunit 1 Human genes 0.000 description 1
- 101710092857 Integrator complex subunit 1 Proteins 0.000 description 1
- 108050002021 Integrator complex subunit 2 Proteins 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
- G08B13/191—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems using pyroelectric sensor means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses an on-site security power supply operation prompting device, which comprises a cuboid box body, wherein an installation bracket is installed at the back surface, a security power supply operation prompting circuit composed of a power supply module, an infrared ray detection module, a light source driving module and an alarm module is arranged inside the box body; the box body is provided with an infrared induction window corresponding to the infrared ray detection module, and is at least provided with loudspeaker sound outlet holes and an alarm lamp corresponding to the alarm module; an infrared pyroelectric sensor is arranged inside the infrared induction window, and the infrared induction window is covered with a Fresnel lens to form the infrared ray detection module; and at least one side wall of the box body is at least provided with a USB interface for charging an internal rechargeable battery and a clamping groove used for a TF card reader. The on-site security power supply operation prompting device has the advantages of being simple in structure and convenient in installation and use, having obvious alarming function, increasing completion quality of security power supply operation, ensuring reliable operation of power supply lines and the like.
Description
Technical field
The present invention relates to a kind of on-the-spot guarantor's powered operation suggestion device, belong to the safe operation technical field of electric power facility.
Technical background
Ensure the power supply reliability of electric substation, be the top priority of power transformation maintenance work. Particularly college entrance examination, in examine, during important festivals or holidays and important political meeting and great social activity, it is ensured that the reliability that line related the is powered most important thing especially. According to guarantor's power supply plan that higher level department issues, electric substation to strengthen making an inspection tour for important guarantor supply line, it is ensured that the safe and stable operation of equipment, it is ensured that reliable power supply. Therefore, during protecting power supply, the call tag protecting power supply can be puted up, on the switch cubicle that difference protects supply line, by electric substation, to remind power transformation operation maintenance personnel to strengthen the tour protecting supply line in tour, notes at work not affecting and protects the properly functioning of supply line. But, due to electric substation with in outgoing line interval and relevant device more, and an electric substation is likely to have a plurality of guarantor supply line and guarantor's power-on time longer simultaneously, the call tag adopted at present is obvious not for the suggesting effect of staff, and operations staff may ignore the special tour omitted important guarantor supply line in tour. When having work around guarantor supply line interval, nigh relevant staff not being had enough warning functions yet, meanwhile, it is also lack of standardization that guarantor's power supply label is puted up in original employing. Therefore, develop a kind of electric substation with obvious alarm function and protect supply line's interval suggestion device, for improving the difficulty action accomplishment protecting powered operation, it is ensured that the reliability service protecting supply line is very important.
Summary of the invention
It is an object of the invention to the deficiency overcoming prior art to exist, and a kind of simple in construction is provided, easy to install, there is obvious alarm function, improve and protect powered operation difficulty action accomplishment, it is ensured that powered operation suggestion device is protected at the scene protecting supply line's reliability service.
It is an object of the invention to complete by following technical solution, a kind of on-the-spot guarantor's powered operation suggestion device, it includes a back side and is provided with the cuboid box body of mounting bracket, and described box body is built-in with the guarantor's powered operation cue circuit being made up of power module, infrared detection module, light source driver module and alarm module;Described box body is provided with infrared sensor window corresponding to described infrared detection module, corresponding to alarm module at least provided with speaker voice giving hole, alarm lamp; Described infrared sensor window is built-in with pyroelectric infrared sensor, is covered with Fresnel Lenses and constitutes described infrared detection module; At least one sidewall of box body is at least additionally provided with the USB interface that internal charging battery is charged and the draw-in groove of TF card reader.
As preferably: described pyroelectric infrared sensor is connected to master controller by a signal processor and constitutes described light source driver module, described master controller is connected with Voice command chip communication by serial ports, under triggering situation, the analogue signal of Voice command chip output is after final-stage power amplifier amplifies, speaker is driven to send sound, playing the voice document in associative memory, display screen reminded in the word that described master controller is also connected with warning lamp simultaneously and connection is lighted on panel simultaneously.
As preferably: described master controller is a small-sized singlechip controller; this master controller is connected with a power module being made up of USB interface, rechargeable battery and accessory power supply; also it is connected to the linear voltage-stabilizing device of low voltage difference three after described rechargeable battery, and is also integrated with overtemperature protection and current-limiting resistance later.
The present invention has simple in construction, easy to install, has obvious alarm function, improves and protects powered operation difficulty action accomplishment, it is ensured that protect the features such as supply line's reliability service.
Accompanying drawing explanation
Fig. 1 is the contour structures schematic diagram of guarantor's powered operation suggestion device of the present invention.
Fig. 2 is the theory diagram of guarantor's powered operation suggestion device of the present invention.
Fig. 3 is auxiliary power circuit schematic diagram of the present invention.
Fig. 4 is infrared induction circuit theory diagrams of the present invention.
Fig. 5 is main controller circuit schematic diagram of the present invention.
Fig. 6 is audio record circuit schematic diagram of the present invention.
Fig. 7 is audio power amplifying circuit schematic diagram of the present invention.
Fig. 8 is use procedure block diagram of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be described in detail: shown in Fig. 1, a kind of on-the-spot guarantor's powered operation suggestion device of the present invention, it includes a back side and is provided with the cuboid box body 2 of mounting bracket 1, and described box body 2 is built-in with the guarantor's powered operation cue circuit being made up of power module, infrared detection module, light source driver module and alarm module; Described box body 1 is provided with infrared sensor window 3 corresponding to described infrared detection module, corresponding to alarm module at least provided with speaker voice giving hole 4, alarm lamp 5; Described infrared sensor window 3 is built-in with pyroelectric infrared sensor, is covered with Fresnel Lenses and constitutes described infrared detection module; At least one sidewall of box body 2 is at least additionally provided with the USB interface 6 that internal charging battery is charged and the draw-in groove 7 of TF card reader.
Shown in Fig. 2, described pyroelectric infrared sensor 8 is connected to master controller 10 by a signal processor 9 and constitutes described light source driver module, described master controller 10 is connected with Voice command chip 11 communication by serial ports, under triggering situation, the analogue signal of Voice command chip 11 output is after final-stage power amplifier 12 amplifies, speaker 13 is driven to send sound, playing the voice document in associative memory 14, described master controller 10 is also connected with warning lamp 15 simultaneously and connects the word prompting display screen 16 lighting on mounting box body 2 panel simultaneously.
Shown in figure; master controller 10 of the present invention is a small-sized singlechip controller; this master controller 10 is connected with a power module being made up of USB interface 6, rechargeable battery 17 and accessory power supply 18; described rechargeable battery 17 is also connected to the linear voltage-stabilizing device of low voltage difference three below, and is also integrated with overtemperature protection and current-limiting resistance later.
Embodiment:
Shown in Fig. 1, a kind of on-the-spot guarantor's powered operation suggestion device of the present invention, its profile is a flat plastic rectangular, mainly include power module, infrared detection module, light source driver module and front thereof and one transparent plastic interlayer that can place guarantor's power supply label is set, surrounding at this interlayer is arranged can the light source of flashing, one infrared probe is set in one end of device, detect that personnel are when this interval, trigger signal lights light-emitting flash, cause the attention of power transformation operation maintenance personnel, strengthen the walkaround inspection at this interval is worked. Other staff that equally possible warning is on-the-spot, notice that operationally the properly functioning of supply cell is not protected in impact. Simple in construction, easy to use. This device mainly comprise the plastics that material is lighter weight, the inside include a power supply, infrared probe, light source and for place protect power supply flag label transparent plastic interlayer. The volume of device is little, lightweight, in use by the magnet adsorption on device on the cabinet protecting supply cell, protects power supply task and terminates namely to fetch, use more convenient. Wherein, infrared sensor window, the outside of built-in infrared pyroelectric sensor, outer housing Fresnel Lenses, within induction range 4 meters, 60 ° of visual angles of horizontal direction, vertical 30 ° of visual angles. Alarm lamp is when device detects that someone swarms into, and alarm lamp is bright and continues 5 seconds. Word warns: when device detects that someone swarms into, text importing also glimmers. Speaker: be used for playing sound. USB interface: external charger, is charged internal lithium battery. TF draw-in groove: by TF card reader, the audio files of recording is downloaded in FLASH memory. Mounting bracket: for fixing device for installing.
Shown in Fig. 2, described a kind of on-the-spot guarantor's powered operation suggestion device, built-in high-capacity lithium battery, can be charged by charging inlet, cell voltage is converted to the regulated power supply of+3.3V, the chip operation on supply circuit plate through auxiliary power circuit. When having personnel through out-of-date, the pyroelectric infrared sensor sense of device, the analogue signal that will sense, special AS083 signal processing chip to change, remove interference signal, extract useful signal, output triggering state is to master controller. Master controller will receive the status information of IR signal processor, and by serial ports and Voice command chip communication, under triggering situation, the analogue signal of Voice command chip output, after final-stage power amplifier amplifies, drives speaker to send sound. Voice document in playout storage, opens warning lamp simultaneously, lights the word on panel and reminds.
Shown in Fig. 3; described auxiliary power circuit is: the rated voltage of device built-in lithium battery is 3.7V; it is 4.3V time full; and the running voltage of internal circuit is 3.3V, it is therefore necessary to lowering and stabilizing blood pressure, U1(1117-3.3) it is a conventional linear voltage-stabilizing device of low voltage difference three; output electric current is maximum up to 0.8A; the pressure reduction having only to 0.3V just can realize stablizing of output voltage, and inside is also integrated with overtemperature protection and current-limiting circuit, it is adaptable to each electronic product.
Shown in Fig. 4, described infrared induction circuit is: U10(RE200B) be PIR human body pyroelectricity infrared sensor, selects the spherical Fresnel Lenses of high-quality to collect infrared induction signal, can bidirectional inductive, highly sensitive, detecting distance is up to 4-6 rice. This sensor adopts the property detection infra-red radiation varied with temperature during pyroelectricity material polarization, the interference adopting double; two sensitive units complementarity method to suppress variations in temperature to produce, and improves the job stability of sensor.
U7(AS083) it is the integrated PIR(PassiveInfra-Red of a CMOS technology) controller chip, power consumption is very low. Its internal framework adopts the Mixed-mode mode of simulation and digital hybrid circuit to design, and uses all sufficiently stable in various situations. AS083 adopts third generation PIR human body heat-releasing infra-red detection technical scheme, built-in multiprecision arithmetic unit, self-adjusting can adapt to current environment, and filtering environmental disturbs, and effectively extracts human body signal, and farthest distance of reaction is up to tens meters. Practical application circuit is comparatively simple, and research and development, production, without debugging, are greatly reduced production cost, save space.
Controller circuitry shown in Fig. 5 is: U8(SH88F4051) be a small-sized singlechip controller, small and exquisite and be not take up board space. It remains most of characteristic of standard 2051 chip. These characteristics include built-in 256 byte RAM and 2 16 bit timing devices/enumerators, 1 UART and external interrupt INT 0, INT1, INT2. Additionally, it is also integrated with 256 byte external RAMs, the 16 bit timing devices/enumerator (Timer2) of compatible 8052 chips. This single-chip microcomputer also includes the 4K/8K bytes Flash block being suitable for program and data.
The output of U10 the 2nd foot is with the analog voltage signal of infrared induction change, this signal is connected to the 3rd foot PIR input of U7, PIR signal is inside AS083, through amplifier impedance matching, again through signals collecting and algorithm unit, convert the status signal of low and high level to, from the 6th foot out end output to rear class single-chip microcomputer. It is low level when Out holds level with both hands, when human body signal being detected, exports high level.
Audio record circuit shown in Fig. 6 is: audio record circuit has selected WT5001 chip, and this chip is the MP3 speech chip of a OTP high tone quality, has 8-BITCISC, supports MP3 decoding, the Peripheral Interface with abundant a: SPI; Can directly drive 16 ohm of earphones; Band real-time clock and perpetual calendar clock functions of modules; The RS232 serial ports of standard controls; Extremely low power dissipation, standby current is about 80uA; Control to play response quickly, be better than like product; It is suitable for needing changing voice or the time is longer, tonequality requires higher occasion.
Chip reads the audio files on TF, after decoding, is exported the left and right sound track signals of sound by LHPOUT and RHPOUT according to external control. Meanwhile, circuit adds U3(EN25Q32), this is a FLASH memory chip having 4M byte, carries out data access with WT5001 speech chip by SPI interface, and power consumption is extremely low. Copy, by TF card, the voice document come for storing.
Audio power amplifying circuit shown in Fig. 7 is: the VOICE acoustical signal exported by speech chip WT5001, it is impossible to directly drive speaker operation, it is necessary to signal power amplified. MAX7790 power amplifier chips is selected in design, and the conversion efficiency of this device reaches more than 90%, can provide the power of 1.2W for 8 Ω loads. Low EMI modulation scheme proprietary for MAXIM eliminates traditional D class output filter, having abandoned the radiator of heaviness simultaneously, thus saving circuit board space, having extended battery life, and these features make them become the suitable choosing of portable audio application.
Shown in Fig. 8, work process of the present invention is: after electric power starting, is first controlled the initial work of device and related peripherals, and configuration infrared sensor processes chip, configures audio player, waits that infrared sensor completes to initialize. Subsequently, program cycle criterion infrared sensor processes chip and sends existing interrupt signal, it may be judged whether have an intruder, and starts audio player and carry out sound and light alarm.
Claims (3)
1. on-the-spot guarantor's powered operation suggestion device, it includes a back side and is provided with the cuboid box body of mounting bracket, it is characterised in that described box body is built-in with the guarantor's powered operation cue circuit being made up of power module, infrared detection module, light source driver module and alarm module; Described box body is provided with infrared sensor window corresponding to described infrared detection module, corresponding to alarm module at least provided with speaker voice giving hole, alarm lamp; Described infrared sensor window is built-in with pyroelectric infrared sensor, is covered with Fresnel Lenses and constitutes described infrared detection module; At least one sidewall of box body is at least additionally provided with the USB interface that internal charging battery is charged and the draw-in groove of TF card reader.
2. on-the-spot guarantor's powered operation suggestion device according to claim 1, it is characterized in that described pyroelectric infrared sensor is connected to master controller by a signal processor and constitutes described light source driver module, described master controller is connected with Voice command chip communication by serial ports, under triggering situation, the analogue signal of Voice command chip output is after final-stage power amplifier amplifies, speaker is driven to send sound, play the voice document in associative memory simultaneously, display screen reminded in the word that described master controller is also connected with warning lamp simultaneously and connection is lighted on panel.
3. on-the-spot guarantor's powered operation suggestion device according to claim 2; it is characterized in that described master controller is a small-sized singlechip controller; this master controller is connected with a power module being made up of USB interface, rechargeable battery and accessory power supply; also it is connected to the linear voltage-stabilizing device of low voltage difference three after described rechargeable battery, and is also integrated with overtemperature protection and current-limiting resistance later.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510916193.XA CN105678952A (en) | 2015-12-10 | 2015-12-10 | On-site security power supply operation prompting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510916193.XA CN105678952A (en) | 2015-12-10 | 2015-12-10 | On-site security power supply operation prompting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105678952A true CN105678952A (en) | 2016-06-15 |
Family
ID=56297622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510916193.XA Pending CN105678952A (en) | 2015-12-10 | 2015-12-10 | On-site security power supply operation prompting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105678952A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911926A (en) * | 2016-06-20 | 2016-08-31 | 洪明 | Intelligent voice scene prompt panel switch |
| CN109544834A (en) * | 2018-12-06 | 2019-03-29 | 国网青海省电力公司海西供电公司 | Phonetic warning warning device |
| CN111901924A (en) * | 2020-08-06 | 2020-11-06 | 南宁学院 | Green intelligent lighting system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203025918U (en) * | 2012-12-11 | 2013-06-26 | 国家电网公司 | Sound inducing reminder for power supply system |
| CN203070471U (en) * | 2013-01-10 | 2013-07-17 | 梁山县供电公司 | Voice caution apparatus for transformer station key area |
| CN203217721U (en) * | 2013-05-21 | 2013-09-25 | 禹城市供电公司 | Novel electric equipment anti-electric-shock warning device |
| CN203480627U (en) * | 2013-10-18 | 2014-03-12 | 山东省科学院自动化研究所 | Dual-inspection detection alarm based on zigbee |
| CN205281731U (en) * | 2015-12-10 | 2016-06-01 | 国家电网公司 | On --spot power supply operation suggestion device of protecting |
-
2015
- 2015-12-10 CN CN201510916193.XA patent/CN105678952A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203025918U (en) * | 2012-12-11 | 2013-06-26 | 国家电网公司 | Sound inducing reminder for power supply system |
| CN203070471U (en) * | 2013-01-10 | 2013-07-17 | 梁山县供电公司 | Voice caution apparatus for transformer station key area |
| CN203217721U (en) * | 2013-05-21 | 2013-09-25 | 禹城市供电公司 | Novel electric equipment anti-electric-shock warning device |
| CN203480627U (en) * | 2013-10-18 | 2014-03-12 | 山东省科学院自动化研究所 | Dual-inspection detection alarm based on zigbee |
| CN205281731U (en) * | 2015-12-10 | 2016-06-01 | 国家电网公司 | On --spot power supply operation suggestion device of protecting |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911926A (en) * | 2016-06-20 | 2016-08-31 | 洪明 | Intelligent voice scene prompt panel switch |
| CN109544834A (en) * | 2018-12-06 | 2019-03-29 | 国网青海省电力公司海西供电公司 | Phonetic warning warning device |
| CN111901924A (en) * | 2020-08-06 | 2020-11-06 | 南宁学院 | Green intelligent lighting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201489639U (en) | Solar electric power facility voice warning device | |
| CN105678952A (en) | On-site security power supply operation prompting device | |
| CN104713019A (en) | Streetlamp with camera monitoring and infrared induction illumination functions | |
| CN205281731U (en) | On --spot power supply operation suggestion device of protecting | |
| CN104112343B (en) | Dual tamper wireless alarm | |
| CN201117218Y (en) | Automatic control advertisement broadcast device | |
| CN202218056U (en) | Multifunctional digital power supply emergency case | |
| CN207241322U (en) | A kind of solar energy multifunctional tire pressure monitor | |
| CN203366642U (en) | Safety sign | |
| CN206411818U (en) | A kind of garage anti-theft alarm system | |
| CN109473132A (en) | Portable multifunctional wireless hard-disk cartridge | |
| CN205126853U (en) | Towards applied intelligent medicine box of family | |
| CN205177091U (en) | Old man tumbles and detects and light warning device based on acceleration sensor | |
| CN205336442U (en) | Long -range visual work permit device of electric power system | |
| CN208985702U (en) | Portable multifunctional wireless hard-disk cartridge | |
| CN203772837U (en) | Portable type air quality detector | |
| CN203563138U (en) | Warning type infrared camera | |
| CN203422831U (en) | Riding safety prompt device | |
| CN104063975A (en) | Intelligent cell anti-theft alarm system | |
| CN206541598U (en) | Train handling safety information system display | |
| CN205158595U (en) | Night intelligent early warning cell phone case | |
| CN203117244U (en) | Convenient anti-theft electric meter box | |
| CN207279492U (en) | A kind of multifunctional solar energy streetlight | |
| CN209658990U (en) | Portable type solar energy power supply device | |
| CN209149512U (en) | A kind of dropping-alarming device based on light sensing technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160615 |