CN204069565U - A kind of electric equipment protection chamber door - Google Patents
A kind of electric equipment protection chamber door Download PDFInfo
- Publication number
- CN204069565U CN204069565U CN201420553495.6U CN201420553495U CN204069565U CN 204069565 U CN204069565 U CN 204069565U CN 201420553495 U CN201420553495 U CN 201420553495U CN 204069565 U CN204069565 U CN 204069565U
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- self
- bracing frame
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Abstract
The utility model provides a kind of electric equipment protection chamber door, and comprise door-plate and doorframe, doorframe matches with door-plate; Above-mentioned doorframe is provided with lockpin hole; Its design feature is: also comprise baffle plate, self-locking device, tripper and switching mode alarm; Door-plate is provided with and agrees with hole; The rear end of agreeing with hole is provided with transparent sealing plate; Baffle plate is arranged on the upper left corner of door-plate; Self-locking device comprises spring bearer plate, compression rod, feeler lever, self-locking spring, contact inductor and pulse signal-line; Tripper comprises bracing frame, action component, driven unit and analog signal transmitters.The utility model structure is simple, and cost is lower, easy for installation, is easy to realize the transformation to existing electric equipment protection chamber door, and replicability is strong; Only have during use and could unlock enabling by special analog signal generator, can the safety of available protecting force device, practicality is good; Be provided with alarm, applicability is strong.
Description
Technical field
The utility model relates to electric equipment protection case, is specifically related to a kind of electric equipment protection chamber door.
Background technology
Open air often needs to arrange converting equipment, is arranged on the outdoor usual concentrated setting of converting equipment in protection casing, and locks to ensure the antitheft and tamper-proof of use safety and equipment.The electric equipment protection case of usual open air, general adopts common lockset to carry out locking, exist be easy to improper and open, layman opens equivalent risk, can not effective guarantee equipment, personnel and power supply safety.
Utility model content
The purpose of this utility model is: the deficiency existed for prior art, the electric equipment protection chamber door providing that a kind of structure is simple, cost is lower, easy for installation, need professional just can open with special device when using.
The technical solution of the utility model is: electric equipment protection chamber door of the present utility model, and comprise door-plate and doorframe, doorframe matches with door-plate; Above-mentioned doorframe is provided with lockpin hole; Its design feature is: also comprise baffle plate, self-locking device and tripper;
The left side central portion position of above-mentioned door-plate is provided with front and back and agrees with hole to through; The rear end of agreeing with hole is provided with transparent sealing plate;
Baffle plate is integrally made up of to the vertical panel arranged to the vertical panel arranged and left and right front and back; Baffle plate is by the upper left corner being fixedly installed on door-plate before and after it to the rear end of the vertical panel arranged; The left and right of plate washer is provided with front and back to through compression rod passing hole to the vertical panel arranged;
Self-locking device comprises spring bearer plate, compression rod, feeler lever, self-locking spring, contact inductor and pulse signal-line; Spring bearer plate is integrally made up of to the cylinder arranged to vertically disposed plectane and front and back left and right; The cylinder of spring bearer plate is connected with the plectane one of spring bearer plate by its front end face; Compression rod is columniform body of rod part, and the front end of compression rod is stretched out forward through the compression rod passing hole of plate washer; The rear end of compression rod is fixedly connected with the front end face of the plectane of spring bearer plate; Feeler lever is fixedly connected with by the rear end face of its front end with the cylinder of spring bearer plate; The front end sleeve of self-locking spring is connected on the cylinder of spring bearer plate; The rear end of self-locking spring is fixed on door-plate; Contact inductor is fixed on door-plate, and is positioned at self-locking spring;
Tripper comprises bracing frame, action component, driven unit and analog signal transmitters;
Bracing frame is integrally connected to form by left plate, upper left plate, lower-left plate, intermediate riser shelf, upper right plate, bottom right plate and right riser; The middle of left plate is provided with left and right to through lockpin ventilating via hole; The middle of intermediate riser shelf is provided with left and right to through loop bar passing hole; Bracing frame is surrounded by its left plate, upper left plate, lower-left plate and intermediate riser shelf and forms the first cavity; Bracing frame to be fixed on door-plate by its front end face and to be positioned at the right side of the lockpin hole of doorframe;
Action component comprises lock pin, pressing plate slide block, loop bar, Compress Spring, left support round platform, left magnet, right support round platform and right magnet; The left end of lock pin stretches out left through the lockpin ventilating via hole of the left plate of bracing frame; The right-hand member of lock pin is fixedly connected with the left side of pressing plate slide block; Pressing plate slide block is arranged in the first cavity of bracing frame movably; The right side of pressing plate slide block is fixedly connected with the left side of loop bar; Compress Spring is socketed on loop bar movably; Be fixedly connected with the left side of left support round platform after the right-hand member of the loop bar loop bar passing hole through the intermediate riser shelf of bracing frame; Left magnet is fixedly installed on the right side of left support round platform; Right magnet is fixedly installed on the left side of right support round platform; The magnetic polarity of left magnet and right magnet is contrary;
Driven unit comprises drive motors, signal processor, holding wire and signal receiver; Drive motors has motor shaft, drive motors with its motor shaft towards mode be fixedly installed on the lower surface of upper right plate of bracing frame; The lower end of motor shaft is fixedly connected with the upper end of the right support round platform of action component; Signal processor is fixedly installed on the upper surface of upper right plate of bracing frame, and is positioned at the top of drive motors; Signal processor and drive motors control to be electrically connected; Signal receiver to be fixedly installed on door-plate and to be positioned at the rear of transparent sealing plate; Signal processor is electrically connected with signal receiver signal by holding wire; Signal processor is electrically connected with contact inductor signal by the pulse signal-line of self-locking device;
Analog signal transmitters is provided with agrees with portion with tubular that hole matches that agree with of door-plate.
Further scheme is: also comprise switching mode alarm, and above-mentioned switching mode alarm is fixedly installed on the lower surface of right support round platform of action component; Switching mode alarm is electrically connected with the contact inductor signal of self-locking device.
Further scheme also has: the anglec of rotation of the right support round platform of the drive motors sweeping action assembly of above-mentioned driven unit is 90 ° of angles.
The utility model has positive effect: (1) electric equipment protection chamber door of the present utility model, and structure is simple, and cost is lower, easy for installation, and be easy to realize the transformation to existing electric equipment protection chamber door, replicability is strong.(2) electric equipment protection chamber door of the present utility model; the outside of whole door can only see that one special is agreed with hole; only have and could unlock enabling by special analog signal generator; stop the possibility that non-working person opens completely; thus can the safety of available protecting force device, practicality is good.(3) electric equipment protection chamber door of the present utility model, by arranging switching mode alarm, make it can be applicable to outdoor installation and environment for use better, applicability is strong.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the installation relation schematic diagram of the self-locking device in Fig. 1 and the door-plate in Fig. 1 and plate washer;
Fig. 3 is the external structure schematic diagram of analog signal transmitters.
Reference numeral in above-mentioned accompanying drawing is as follows:
Door-plate 1, agrees with hole 11,
Doorframe 2, lockpin hole 21,
Baffle plate 3,
Self-locking device 4, spring bearer plate 41, compression rod 42, feeler lever 43, self-locking spring 44, contact inductor 45, pulse signal-line 46,
Tripper 5, bracing frame 51, left plate 51-1, upper left plate 51-2, lower-left plate 51-3, intermediate riser shelf 51-4, upper right plate 51-5, bottom right plate 51-6, right riser 51-7; Action component 52, lock pin 52-1, pressing plate slide block 52-2, loop bar 52-3, Compress Spring 52-4, left support round platform 52-5, left magnet 52-6, right support round platform 52-7, right magnet 52-8; Driven unit 53, drive motors 53-1, motor shaft 53-1-1, signal processor 53-2, holding wire 53-3, signal receiver 53-4; Analog signal transmitters 54, agrees with portion 54-1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
(embodiment 1)
See Fig. 1 to Fig. 3, the electric equipment protection chamber door of the present embodiment, form primarily of door-plate 1, doorframe 2, baffle plate 3, self-locking device 4 and tripper 5.
Hole 11 is agreed with to the circle of through enabling before and after the left side central portion position of door-plate 1 is provided with; The rear end of agreeing with hole 11 is provided with transparent sealing plate.
Doorframe 2 matches with door-plate 1.Doorframe 2 is provided with lockpin hole 21.
Baffle plate 3 is integrally made up of to the vertical panel arranged to the vertical panel arranged and left and right front and back.Baffle plate 3 is by the upper left corner being fixedly installed on door-plate 1 before and after it to the rear end of the vertical panel arranged.The left and right of plate washer 3 is provided with front and back to through compression rod passing hole to the vertical panel arranged.
Self-locking device 4 forms primarily of spring bearer plate 41, compression rod 42, feeler lever 43, self-locking spring 44, contact inductor 45 and pulse signal-line 46.
Spring bearer plate 41 is integrally made up of to the cylinder arranged to vertically disposed plectane and front and back left and right.The cylinder of spring bearer plate 41 is connected with the plectane one of spring bearer plate 41 by its front end face.Compression rod 42 is columniform body of rod part, and the front end of compression rod 42 is stretched out forward through the compression rod passing hole of plate washer 3; The rear end of compression rod 42 is fixedly connected with the front end face of the plectane of spring bearer plate 41.Feeler lever 43 is columniform body of rod part, and feeler lever 43 is fixedly connected with by the rear end face of its front end with the cylinder of spring bearer plate 41; The front end sleeve of self-locking spring 44 is connected on the cylinder of spring bearer plate 41; The rear end of self-locking spring 44 is fixed on door-plate 1.Contact inductor 45 is fixed on door-plate 1, and is positioned at self-locking spring 44.Signal of telecommunication when contact inductor 45 works is drawn by pulse signal-line 46.
Tripper 5 forms primarily of bracing frame 51, action component 52, driven unit 53 and analog signal transmitters 54.
Bracing frame 51 is integrally connected to form by left plate 51-1, upper left plate 51-2, lower-left plate 51-3, intermediate riser shelf 51-4, upper right plate 51-5, bottom right plate 51-6 and right riser 51-7.The middle of left plate 51-1 is provided with left and right to through lockpin ventilating via hole; The middle of intermediate riser shelf 51-4 is provided with left and right to through loop bar passing hole.Bracing frame 51 is surrounded by its left plate 51-1, upper left plate 51-2, lower-left plate 51-3 and intermediate riser shelf 51-4 and forms the first cavity; Bracing frame 51 is surrounded by its intermediate riser shelf 51-4, upper right plate 51-5, bottom right plate 51-6 and right riser 51-7 and forms the second cavity; Bracing frame 51 to be fixed on door-plate 1 by its front end face and to be positioned at the right side of the lockpin hole 21 of doorframe 2.
Action component 52 forms primarily of lock pin 52-1, pressing plate slide block 52-2, loop bar 52-3, Compress Spring 52-4, left support round platform 52-5, left magnet 52-6, right support round platform 52-7 and right magnet 52-8.
The left end of lock pin 52-1 stretches out left through the lockpin ventilating via hole of the left plate 51-1 of bracing frame 51; During use, lock pin 52-1 matches with the lockpin hole 21 of doorframe 2 and realizes the locking of door-plate 1.The right-hand member of lock pin 52-1 is fixedly connected with the left side of pressing plate slide block 52-2; Pressing plate slide block 52-2 is arranged in the first cavity of bracing frame 51 movably; The right side of pressing plate slide block 52-2 is fixedly connected with the left side of loop bar 52-3; Compress Spring 52-4 is socketed on loop bar 52-3 movably; Be fixedly connected with the left side of left support round platform 52-5 after the right-hand member of the loop bar 52-3 loop bar passing hole through the intermediate riser shelf 51-4 of bracing frame 51; Left magnet 52-6 is fixedly installed on the right side of left support round platform 52-5; Right magnet 52-8 is fixedly installed on the left side of right support round platform 52-7; The magnetic polarity of left magnet 52-6 and right magnet 52-8 is contrary, thus makes produce suction when left magnet 52-6 and right magnet 52-8 vis-a-vis.
Driven unit 53 forms primarily of drive motors 53-1, signal processor 53-2, holding wire 53-3 and signal receiver 53-4.
Drive motors 53-1 has motor shaft 53-1-1, drive motors 53-1 with its motor shaft 53-1-1 towards mode be fixedly installed on the lower surface of upper right plate 51-5 of bracing frame 51; The lower end of motor shaft 53-1-1 is fixedly connected with the upper end of the right support round platform 52-7 of action component 52; When drive motors 53-1 works, the anglec of rotation of the right support round platform 52-7 of sweeping action assembly 52 is 90 ° of angles.
Signal processor 53-2 is fixedly installed on the upper surface of upper right plate 51-5 of bracing frame 51, and is positioned at the top of drive motors 53-1; Signal processor 53-2 and drive motors 53-1 control to be electrically connected; Signal receiver 53-4 to be fixedly installed on door-plate 1 and to be positioned at the rear of transparent sealing plate.Signal processor 53-2 is electrically connected with signal receiver 53-4 signal by holding wire 53-3; Signal processor 53-2 is electrically connected with contact inductor 45 signal by the pulse signal-line 46 of self-locking device 4.
Analog signal transmitters 54 is provided with tubularly agrees with portion 54-1; During use, by the portion that the agrees with 54-1 of analog signal transmitters 54 insert door-plate 1 agree with in hole 11, launch enabling signal to open door-plate 1.
The electric equipment protection chamber door of the present embodiment, the front end face of door-plate 1 can only be seen and agree with hole 11, and surrounding and the doorframe 2 of door-plate 1 tightly coincide.
When closing door-plate 1, the compression rod 42 of self-locking device 4 is under pressure and moves inward, self-locking spring 44 is extruded by spring bearer plate 41, band movable feeler lever 43 backward moving contact to contact inductor 45, contact inductor 45 produces a pulse signal, this pulse signal is transferred to signal processor 53-2 by pulse signal-line 46, signal processor 53-2 controls drive motors 53-1 and drives right magnet 52-8 to turn clockwise, the end face of right magnet 52-8 and left magnet 52-6 is made to be in mutual plumbness, now there is no suction between right magnet 52-8 and left magnet 52-6, Compress Spring 52-4 extrudes lock pin 52-1 and inserts to left movement in the lockpin hole 21 of doorframe 2 under the effect of elastic force, realization is closed the door locking.
When door-plate 1 opened by needs, analog signal transmitters 54 is agreed with portion 54-1 by it insert agreeing with in hole 11 of door-plate 1 and launch enabling signal, after signal receiver 53-4 receives enabling signal, control drive motors 53-1 to be rotated counterclockwise, make that right magnet 52-8's and left magnet 52-6 be in facing state, now left magnet 52-6 is attracted to the right by magnetic force by right magnet 52-8, lock pin 52-1 pulls to the right by the transmission through loop bar 52-3 and pressing plate slide block 52-2, make to move right with lock pin 52-1 in the lockpin hole 21 of disengaging doorframe 2, realize opening the door.
This self-locking device use after, on door-plate 1 without any the junction that can arbitrarily open, effectively can realize the function of emphasis equipment personal management.
(embodiment 2)
Other aspects of the present embodiment are identical with embodiment 1, and difference is, set up switching mode alarm, to be applicable to outdoor installation and environment for use better.
Switching mode alarm is fixedly installed on the lower surface of right support round platform 52-7 of action component 52; Switching mode alarm is electrically connected with contact inductor 45 signal of self-locking device 4.When the left magnet 52-6 of action component 52 and right magnet 52-8 is positioned at relative parallel positions also namely door-plate 1 is normally opened, alarm cuts out and does not work, after door-plate 1 cuts out, alarm is in active standby state, if when door-plate 1 is opened by violence, the feeler lever 43 of self-locking device 4 leaves contact inductor 45, send triggering signal, switching mode alarm ring is reported to the police.
Above embodiment is the explanation to embodiment of the present utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not when departing from spirit and scope of the present utility model; can also make various conversion and change and obtain corresponding equivalent technical scheme, therefore all equivalent technical schemes all should be included into scope of patent protection of the present utility model.
Claims (3)
1. an electric equipment protection chamber door, comprise door-plate (1) and doorframe (2), doorframe (2) matches with door-plate (1); Described doorframe (2) is provided with lockpin hole (21); It is characterized in that: also comprise baffle plate (3), self-locking device (4) and tripper (5);
The left side central portion position of described door-plate (1) is provided with front and back and agrees with hole (11) to through; The rear end of agreeing with hole (11) is provided with transparent sealing plate;
Baffle plate (3) is integrally made up of to the vertical panel arranged to the vertical panel arranged and left and right front and back; Baffle plate (3) is by the upper left corner being fixedly installed on door-plate (1) before and after it to the rear end of the vertical panel arranged; The left and right of plate washer (3) is provided with front and back to through compression rod passing hole to the vertical panel arranged;
Self-locking device (4) comprises spring bearer plate (41), compression rod (42), feeler lever (43), self-locking spring (44), contact inductor (45) and pulse signal-line (46); Spring bearer plate (41) is integrally made up of to the cylinder arranged to vertically disposed plectane and front and back left and right; The cylinder of spring bearer plate (41) is connected with the plectane one of spring bearer plate (41) by its front end face; Compression rod (42) is columniform body of rod part, and the front end of compression rod (42) is stretched out forward through the compression rod passing hole of plate washer (3); The rear end of compression rod (42) is fixedly connected with the front end face of the plectane of spring bearer plate (41); Feeler lever (43) is fixedly connected with by the rear end face of its front end with the cylinder of spring bearer plate (41); The front end sleeve of self-locking spring (44) is connected on the cylinder of spring bearer plate (41); The rear end of self-locking spring (44) is fixed on door-plate (1); Contact inductor (45) is fixed on door-plate (1), and is positioned at self-locking spring (44);
Tripper (5) comprises bracing frame (51), action component (52), driven unit (53) and analog signal transmitters (54);
Bracing frame (51) is integrally connected to form by left plate (51-1), upper left plate (51-2), lower-left plate (51-3), intermediate riser shelf (51-4), upper right plate (51-5), bottom right plate (51-6) and right riser (51-7); The middle of left plate (51-1) is provided with left and right to through lockpin ventilating via hole; The middle of intermediate riser shelf (51-4) is provided with left and right to through loop bar passing hole; Bracing frame (51) is surrounded by its left plate (51-1), upper left plate (51-2), lower-left plate (51-3) and intermediate riser shelf (51-4) and forms the first cavity; Bracing frame (51) is fixed on door-plate (1) by its front end face and goes up and the right side being positioned at the lockpin hole (21) of doorframe (2);
Action component (52) comprises lock pin (52-1), pressing plate slide block (52-2), loop bar (52-3), Compress Spring (52-4), left support round platform (52-5), left magnet (52-6), right support round platform (52-7) and right magnet (52-8); The left end of lock pin (52-1) stretches out left through the lockpin ventilating via hole of the left plate (51-1) of bracing frame (51); The right-hand member of lock pin (52-1) is fixedly connected with the left side of pressing plate slide block (52-2); Pressing plate slide block (52-2) is arranged in the first cavity of bracing frame (51) movably; The right side of pressing plate slide block (52-2) is fixedly connected with the left side of loop bar (52-3); Compress Spring (52-4) is socketed on loop bar (52-3) movably; Be fixedly connected with the left side of left support round platform (52-5) after the right-hand member of loop bar (52-3) the loop bar passing hole through the intermediate riser shelf (51-4) of bracing frame (51); Left magnet (52-6) is fixedly installed on the right side of left support round platform (52-5); Right magnet (52-8) is fixedly installed on the left side of right support round platform (52-7); The magnetic polarity of left magnet (52-6) and right magnet (52-8) is contrary;
Driven unit (53) comprises drive motors (53-1), signal processor (53-2), holding wire (53-3) and signal receiver (53-4); Drive motors (53-1) has motor shaft (53-1-1), drive motors (53-1) with its motor shaft (53-1-1) towards mode be fixedly installed on the lower surface of upper right plate (51-5) of bracing frame (51); The lower end of motor shaft (53-1-1) is fixedly connected with the upper end of the right support round platform (52-7) of action component (52); Signal processor (53-2) is fixedly installed on the upper surface of upper right plate (51-5) of bracing frame (51), and is positioned at the top of drive motors (53-1); Signal processor (53-2) controls to be electrically connected with drive motors (53-1); Signal receiver (53-4) is fixedly installed on door-plate (1) and goes up and the rear being positioned at transparent sealing plate; Signal processor (53-2) is electrically connected with signal receiver (53-4) signal by holding wire (53-3); Signal processor (53-2) is electrically connected with contact inductor (45) signal by the pulse signal-line (46) of self-locking device (4);
Analog signal transmitters (54) is provided with agrees with portion (54-1) with tubular that hole (11) matches that agree with of door-plate (1).
2. electric equipment protection chamber door according to claim 1, is characterized in that: also comprise switching mode alarm, and described switching mode alarm is fixedly installed on the lower surface of right support round platform (52-7) of action component (52); Switching mode alarm is electrically connected with contact inductor (45) signal of self-locking device (4).
3. a kind of electric equipment protection chamber door according to claim 1, is characterized in that: the anglec of rotation of the right support round platform (52-7) of drive motors (53-1) sweeping action assembly (52) of described driven unit (53) is 90 ° of angles.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520084048.5U CN204531695U (en) | 2014-09-24 | 2014-09-24 | The electric equipment protection chamber door that a kind of safety is good |
| CN201420553495.6U CN204069565U (en) | 2014-09-24 | 2014-09-24 | A kind of electric equipment protection chamber door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420553495.6U CN204069565U (en) | 2014-09-24 | 2014-09-24 | A kind of electric equipment protection chamber door |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520084048.5U Division CN204531695U (en) | 2014-09-24 | 2014-09-24 | The electric equipment protection chamber door that a kind of safety is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204069565U true CN204069565U (en) | 2014-12-31 |
Family
ID=52210999
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420553495.6U Expired - Fee Related CN204069565U (en) | 2014-09-24 | 2014-09-24 | A kind of electric equipment protection chamber door |
| CN201520084048.5U Expired - Fee Related CN204531695U (en) | 2014-09-24 | 2014-09-24 | The electric equipment protection chamber door that a kind of safety is good |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520084048.5U Expired - Fee Related CN204531695U (en) | 2014-09-24 | 2014-09-24 | The electric equipment protection chamber door that a kind of safety is good |
Country Status (1)
| Country | Link |
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| CN (2) | CN204069565U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759092A (en) * | 2016-03-30 | 2016-07-13 | 国网山东省电力公司平阴县供电公司 | Electric energy metering junction box |
| CN112360242A (en) * | 2020-11-16 | 2021-02-12 | 冯小朋 | Self-weight automatic door-locking public toilet |
| CN113745991A (en) * | 2021-08-30 | 2021-12-03 | 安徽迪康电力科技有限公司 | High-voltage incoming line cabinet with self-locking function and self-locking method thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298254B (en) * | 2015-11-20 | 2017-12-26 | 国网天津市电力公司 | A kind of box-type substation far controls electromagnetism latch fitting |
| CN108153203B (en) * | 2018-01-15 | 2023-10-20 | 昆明理工大学 | Fire hydrant box abnormal real-time monitoring system of LoRa star-shaped network structure |
| CN109828132A (en) * | 2019-01-04 | 2019-05-31 | 珠海优特物联科技有限公司 | Electrical equipment |
| CN110331680B (en) * | 2019-07-09 | 2021-03-30 | 浙江咪网电子科技有限公司 | Entrance guard of automatic alarm's after stagnation |
-
2014
- 2014-09-24 CN CN201420553495.6U patent/CN204069565U/en not_active Expired - Fee Related
- 2014-09-24 CN CN201520084048.5U patent/CN204531695U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105759092A (en) * | 2016-03-30 | 2016-07-13 | 国网山东省电力公司平阴县供电公司 | Electric energy metering junction box |
| CN112360242A (en) * | 2020-11-16 | 2021-02-12 | 冯小朋 | Self-weight automatic door-locking public toilet |
| CN112360242B (en) * | 2020-11-16 | 2022-01-25 | 北京市唐杰城市节能环保科技发展有限公司 | Self-weight automatic door-locking public toilet |
| CN113745991A (en) * | 2021-08-30 | 2021-12-03 | 安徽迪康电力科技有限公司 | High-voltage incoming line cabinet with self-locking function and self-locking method thereof |
| CN113745991B (en) * | 2021-08-30 | 2023-08-04 | 安徽迪康电力科技有限公司 | High-voltage incoming line cabinet with self-locking function and self-locking method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN204531695U (en) | 2015-08-05 |
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| CF01 | Termination of patent right due to non-payment of annual fee |