CN107389998B - Ammeter case and alarm device that opens door with anti-electricity-theft alarming function - Google Patents
Ammeter case and alarm device that opens door with anti-electricity-theft alarming function Download PDFInfo
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- CN107389998B CN107389998B CN201710508142.2A CN201710508142A CN107389998B CN 107389998 B CN107389998 B CN 107389998B CN 201710508142 A CN201710508142 A CN 201710508142A CN 107389998 B CN107389998 B CN 107389998B
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- 230000005611 electricity Effects 0.000 abstract description 21
- 230000002265 prevention Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/24—Arrangements for avoiding or indicating fraudulent use
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses an electric meter box with an electricity larceny prevention alarming function and a door opening alarming device. The door opening power-off device has the advantages of reasonable and simple structure, low production cost and convenience in installation, the door opening power-off device can effectively ensure that the electricity in the electric meter box is cut off after the box door is opened, so that the possibility of electricity stealing due to opening the door is avoided, the arranged door opening alarm device can effectively ensure that a door opening signal is transmitted to the wireless alarm after the box door is opened, meanwhile, the alarm horn rings to provide certain deterrence for a burglar, the door opening alarm device needs to be unlocked before the door is closed, and otherwise, the signal of the proximity switch II after the door is closed can be transmitted out by the wireless alarm to alarm.
Description
Technical Field
The invention relates to the field of power equipment, in particular to an electric meter box with an anti-electricity-theft alarm function and a door opening alarm device.
Background
The meter box is a special meter box for installing a single-phase electric meter or a three-phase electric meter and is used for metering and displaying the electricity consumption of a user. In the electric meter box, there are usually an incoming switch, an electric meter and an outgoing switch, and the power of the power grid or the power supply line is sent to the electric meter through the incoming switch and then connected with the incoming end or the load end of the user through the outgoing switch, so as to realize the metering and displaying of the power consumption of the user. For a long time, some users adopt various methods to destroy electricity metering equipment in order to achieve the purpose of paying less or not paying electricity, so that a large amount of national electric energy is lost and the loss is remarkable. The legal rights and interests of power supply enterprises and other law-conserving users are seriously damaged, the normal power supply and utilization order is disturbed, the development of the electric power utilities is seriously influenced, and the serious threat is brought to the safe power utilization. The electric meter box used at present is opening the case door after, all components and parts all expose outside, and the wire connection is also the bright line connection, and the electric meter box is installed in user's residence, and the power supply company is difficult to the supervision, and the inside operating condition of electric meter box can't effectively be controlled, has had the opportunity of taking advantage of for the electricity thief.
Disclosure of Invention
The invention aims to solve the problems, provides an electric meter box with an anti-electricity-theft alarm function and a door opening alarm device, and solves the problem that the existing electric meter box is poor in anti-electricity-theft performance.
In order to solve the above problems, the present invention provides a technical solution:
an electricity meter box with electricity larceny prevention and alarm functions comprises: ammeter case main part and wireless alarm, ammeter case main part upper right side is equipped with wireless alarm, its characterized in that: the electric meter box further comprises a wire outlet chamber, a wire outlet pipeline, a groove, an electric meter baffle plate, a wiring baffle plate, a box door, an electric meter wiring chamber and a fixed seat; the outlet chamber is arranged at the lower right side of the ammeter box main body, and the right side of the outlet chamber is fixedly connected with the outlet pipeline; the electric meter wiring chamber is arranged inside the left side of the electric meter box main body, and a groove is formed in an opening in the front of the electric meter wiring chamber; the left side in the groove is hinged with the right side of the box door; the ammeter is fixedly connected to the upper side inside the ammeter wiring chamber; the number of the fixed seats is two, the fixed seats are respectively positioned at the left side and the right side of the ammeter, and the fixed seats are respectively and fixedly connected inside the wiring chamber of the ammeter; the ammeter baffle is positioned on the front side of the ammeter and is fixedly connected to the fixed seat; the wiring baffle is located ammeter downside wiring mouth front side, and wiring baffle fixed connection is downside above the ammeter plate washer.
Preferably, the device also comprises a door opening alarm device, a lower stop block, a lock body, an upper stop block, a wire inlet pipeline, a door opening power-off device and a connecting cable; the door opening alarm mechanism is fixedly connected to the lower left side inside the wiring chamber of the ammeter, a front side contact of the door opening alarm mechanism is connected with the lower stop block, and a signal output end of the door opening alarm mechanism is connected with the wireless alarm; the lower stop block is fixedly connected to the right lower side of the inner side of the box door; the lock body is arranged in the center of the left side of the box door; the door opening power-off device is fixedly connected to the upper left side inside the wiring chamber of the electric meter, a front side contact of the door opening power-off device is connected with the upper stop block, a power supply input end of the door opening power-off device is connected with a main cable in the wire inlet pipeline, and an output end of the door opening power-off device is connected with an input end of the electric meter through a connecting cable; the upper stop block is fixedly connected to the right upper side of the inner side of the box door; inlet wire pipeline one end fixed connection is in ammeter case main part upper left side.
Preferably, the front face of the wireless alarm is provided with a door opening alarm horn.
Preferably, the door is provided with a viewing port.
The door opening power-off device comprises a first shell, a movable head, a spring, an end cover, a connecting rod, a second shell, an output contact, an insulating seat, an input contact, a connecting conductor and a movable seat; the right side of the connecting rod is movably connected inside the left side of the shell through an end cover, the right end of the connecting rod is fixedly connected with a movable head, a spring is arranged between the step surface on the right side of the connecting rod and the right side surface of the end cover, and the left end of the connecting rod is fixedly connected with a movable seat; the movable seat is movably connected to the left and the right inside the shell II, and the left side of the movable seat is fixedly connected with a connecting conductor; the insulating seat is fixedly connected to the left side inside the second shell, an output contact is arranged on the upper side of the insulating seat, and an input contact is arranged on the lower side of the insulating seat; the right end of the output contact is connected with the upper left side of the connecting conductor; the right end of the input contact is connected with the left lower side of the connecting conductor.
Preferably, the upper surfaces of the output contact and the input contact are both provided with wire fixing holes.
Preferably, the second shell is made of an insulating material.
A door opening alarm device of an electricity meter box with an electricity larceny prevention alarm function comprises a fixed shell, a movable rod, a first spring, a fixed cover body, a groove body, a first proximity switch, a second proximity switch, a connecting rod, a movable shell, a locking block, a second spring, an operating piece, a third spring, a locking piece, a fourth spring and a shaft body; the movable rod is movably connected inside the fixed shell through the fixed cover body, a first spring is arranged between the central step surface of the movable rod and the right side surface of the fixed cover body, and a groove body is arranged on the left side of the movable rod; the first proximity switch is fixedly connected to the right lower side inside the fixed cover body, and the top of the first proximity switch is connected with the left side of the movable rod; the proximity switch II is fixedly connected inside the lower side of the fixed shell; the left and right ends of the connecting rod are movably connected inside the lower side of the fixed shell, and the right end of the connecting rod is fixedly connected with the movable shell; the movable shell is movably connected to the inside of the right lower side of the fixed shell in the left-right direction, a locking block is vertically and movably connected to the inside of the movable shell, and a spring III is arranged between the left side of the movable shell and the inside of the right lower side of the fixed shell; the top of the locking block is connected with the groove on the right side of the movable rod, the bottom of the locking block is fixedly connected with the top of the operating piece, and a second spring is arranged between the bottom surface of the locking block and the bottom surface of the inside of the fixed shell; the locking part is vertically and movably connected inside the lower right corner of the fixed shell, a spring IV is arranged between the locking part and the inside of the lower right corner of the fixed shell, and the top of the locking part is connected with the right side groove of the shaft body; the shaft body is movably connected in the right lower side hole of the fixed shell body in the left-right direction, and the left end of the shaft body is connected with the right side face of the movable shell body.
The invention relates to a door opening alarm device of an electric meter box with an anti-electricity-theft alarm function, which has the advantages of reasonable and simple structure, low production cost and convenient installation, wherein the door opening and power-off device can effectively ensure that the electricity in the electric meter box is cut off after a box door is opened, thereby avoiding the possibility of electricity stealing when the door is opened, in addition, the groove arranged therein can ensure that the box door cannot be closed when a lead passes through the box door of the electric meter, thereby further avoiding the possibility of electricity stealing, the arranged door opening alarm device can effectively ensure that a door opening signal is transmitted to a wireless alarm after the box door is opened, simultaneously an alarm horn sounds to bring certain deterrence to electricity thieves, the door opening alarm device needs to be unlocked before the door is closed, otherwise, a signal of a proximity switch II after the door is closed can be transmitted by the wireless alarm to alarm, and when the door is unlocked, an operating piece and a locking piece, then the movable shell moves to the right, so that the locking block is separated from the groove on the right side of the movable rod, the movable rod moves to the left when the door is closed is ensured, and the connecting rod does not move to the left together and is contacted with the proximity switch II to send a signal.
Drawings
For ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
Fig. 1 is a schematic structural diagram of an electric meter box with an anti-electricity-theft alarm function.
Fig. 2 is a schematic structural diagram of the door opening power-off device.
Fig. 3 is a schematic structural diagram of the door opening alarm device.
Detailed Description
The specific implementation mode adopts the following technical scheme:
a door opening alarm device 9 of an electricity meter box with an electricity larceny prevention alarm function is shown in figure 3 and comprises a fixed shell 91, a movable rod 92, a first spring 93, a fixed cover 94, a groove body 95, a first proximity switch 96, a second proximity switch 97, a connecting rod 98, a movable shell 99, a locking block 910, a second spring 911, an operating piece 912, a third spring 913, a locking piece 914, a fourth spring 915 and a shaft body 916; the movable rod 92 is movably connected inside the fixed shell 91 through a fixed cover body 94, a first spring 93 is arranged between the central step surface of the movable rod 92 and the right side surface of the fixed cover body 94, and a groove body 95 is arranged on the left side of the movable rod 92; the first proximity switch 96 is fixedly connected to the right lower side inside the fixed cover body 94, and the top of the first proximity switch 96 is connected with the left side of the movable rod 92; the second proximity switch 97 is fixedly connected inside the lower side of the fixed shell 91; the connecting rod 98 is movably connected to the inside of the lower side of the fixed shell 91 from left to right, and the right end of the connecting rod 98 is fixedly connected with a movable shell 99; the movable shell 99 is movably connected to the inside of the lower right side of the fixed shell 91 in a left-right mode, a locking block 910 is vertically and movably connected to the inside of the movable shell 99, and a spring III 913 is arranged between the left side of the movable shell 99 and the inside of the lower right side of the fixed shell 91; the top of the locking block 910 is connected with the right groove of the movable rod 92, the bottom of the locking block 910 is fixedly connected with the top of the operating piece 912, and a second spring 911 is arranged between the bottom surface of the locking block 910 and the bottom surface of the inside of the fixed shell 91; the locking piece 914 is vertically and movably connected inside the lower right corner of the fixed shell 91, a spring IV 915 is arranged between the locking piece 914 and the inside of the lower right corner of the fixed shell 91, and the top of the locking piece 914 is connected with the right side groove of the shaft body 916; the shaft body 916 is movably connected in the right lower hole of the fixed shell 91 from left to right, and the left end of the shaft body 916 is connected with the right side surface of the movable shell 99.
An electric meter box with anti-electricity-theft alarm function, as shown in fig. 1, comprises the door-opening alarm device (9), and further comprises: the wireless alarm device comprises an electric meter box main body 1 and a wireless alarm device 2, wherein the wireless alarm device 2 is arranged on the upper right side of the electric meter box main body 1, and the wireless alarm device further comprises an outlet chamber 3, an outlet pipeline 4, a groove 6, an electric meter baffle plate 7, a wiring baffle plate 8, a lower baffle block 10, a box door 11, a lock body 12, an upper baffle block 13, an inlet pipeline 14, a door opening and power-off device 15, a connecting cable 16, an electric meter 17, an electric meter wiring chamber 18 and a fixed seat 19; the outlet chamber 3 is arranged at the lower right side of the ammeter box main body 1, and the right side of the outlet chamber 3 is fixedly connected with the outlet pipeline 4; the ammeter wiring chamber 18 is arranged inside the left side of the ammeter box main body 1, and a groove 6 is formed in an opening in the front side of the ammeter wiring chamber 18; the left side inside the groove 6 is hinged with the right side of the box door 11; the ammeter 17 is fixedly connected to the upper side inside the ammeter wiring chamber 18; the number of the fixed seats 19 is two, the fixed seats 19 are respectively positioned at the left side and the right side of the ammeter 17, and the fixed seats 19 are respectively and fixedly connected inside the ammeter wiring chamber 18; the ammeter baffle 7 is positioned at the front side of the ammeter 17, and the ammeter baffle 7 is fixedly connected on the fixed seat 19; the wiring baffle 8 is positioned at the front side of the wiring port at the lower side of the ammeter 17, and the wiring baffle 8 is fixedly connected to the lower side of the upper surface of the ammeter baffle 7; the door opening alarm mechanism 9 is fixedly connected to the left lower side inside the ammeter wiring chamber 18, a front side contact of the door opening alarm mechanism 9 is connected with the lower stop block 10, and a signal output end of the door opening alarm mechanism 9 is connected with the wireless alarm 2; the lower stop block 10 is fixedly connected to the right lower side of the inner side of the box door 11; the lock body 12 is arranged in the center of the left side of the box door 11; the door opening power-off device 15 is fixedly connected to the left upper side inside the electric meter wiring chamber 18, a front side contact of the door opening power-off device 15 is connected with the upper stop block 13, a power supply input end of the door opening power-off device 15 is connected with a main cable in the wire inlet pipeline 14, and an output end of the door opening power-off device 15 is connected with an input end of an electric meter 17 through a connecting cable 16; the upper stop block 13 is fixedly connected to the right upper side of the inner side of the box door 11; inlet wire pipeline 14 one end fixed connection is in the upper left side of ammeter case main part 1.
Wherein, the front of the wireless alarm 2 is provided with a door opening alarm horn; the door 11 is provided with a viewing port.
As shown in fig. 2, the door opening power-off device 15 includes a first housing 151, a movable head 152, a spring 153, an end cover 154, a connecting rod 155, a second housing 156, an output contact 157, an insulating base 158, an input contact 159, a connecting conductor 1510 and a movable base 1511; the right side of the connecting rod 155 is movably connected to the inside of the left side of the first shell 151 through an end cover 154, the right end of the connecting rod 155 is fixedly connected with a movable head 152, a spring 153 is arranged between the step surface of the right side of the connecting rod 155 and the right side surface of the end cover 154, and the left end of the connecting rod 155 is fixedly connected with a movable seat 1511; the movable seat 1511 is movably connected in the second shell 156 from left to right, and the left side of the movable seat 1511 is fixedly connected with a connecting conductor 1510; the insulating seat 158 is fixedly connected to the left side inside the second shell 156, an output contact 157 is arranged on the upper side of the insulating seat 158, and an input contact 159 is arranged on the lower side of the insulating seat 158; the right end of the output contact 157 is connected with the upper left side of the connecting conductor 1510; the right end of the input contact 159 is connected to the lower left side of the connecting conductor 1510.
Wherein, the upper surfaces of the output contact 157 and the input contact 159 are both provided with a wire fixing hole; the second housing 156 is made of an insulating material.
The using state of the invention is as follows: the invention has the advantages of reasonable and simple structure, low production cost and convenient installation, the door opening power-off device 15 can effectively ensure that the electricity in the electric meter box is cut off after the box door 11 is opened, thereby avoiding the possibility of electricity stealing when the door is opened, in addition, the groove 6 arranged therein can ensure that the box door 11 can not be closed when a lead passes through the electric meter box door, thereby further avoiding the possibility of electricity stealing, the door opening alarm device 9 arranged can effectively ensure that the door opening signal is transmitted to the wireless alarm 2 after the box door 11 is opened, simultaneously, the alarm horn sounds to bring certain deterrence to electricity thieves, the door opening alarm device 9 needs to be unlocked before the door is closed, otherwise, the signal close to the second switch 97 after the door is closed can be transmitted out by the wireless alarm 2 to alarm, when the door is unlocked, the operating piece 912 and the locking piece 914 are pulled down simultaneously, then the movable shell 99 moves to the right, the locking block 910 is separated from the groove on the right side of the movable rod 92, so that the movable rod 92 moves leftwards when the door is closed, and the connecting rod 98 does not move leftwards together to contact with the second proximity switch 97 to send a signal.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (2)
1. The utility model provides a door alarm device that opens door with anti-electricity-theft alarming function ammeter case which characterized in that: the device comprises a fixed shell (91), a movable rod (92), a first spring (93), a fixed cover body (94), a groove body (95), a first proximity switch (96), a second proximity switch (97), a connecting rod (98), a movable shell (99), a locking block (910), a second spring (911), an operating piece (912), a third spring (913), a locking piece (914), a fourth spring (915) and a shaft body (916); the movable rod (92) is movably connected inside the fixed shell (91) through a fixed cover body (94), a first spring (93) is arranged between the central step surface of the movable rod (92) and the right side surface of the fixed cover body (94), and a groove body (95) is arranged on the left side of the movable rod (92);
the first proximity switch (96) is fixedly connected to the right lower side inside the fixed cover body (94), and the top of the first proximity switch (96) is connected with the left side of the movable rod (92); the proximity switch II (97) is fixedly connected inside the lower side of the fixed shell (91); the connecting rod (98) is movably connected to the inside of the lower side of the fixed shell (91) from left to right, and the right end of the connecting rod (98) is fixedly connected with a movable shell (99); the movable shell (99) is movably connected to the inside of the lower right side of the fixed shell (91) from left to right, a locking block (910) is vertically and movably connected to the inside of the movable shell (99), and a spring III (913) is arranged between the left side of the movable shell (99) and the inside of the lower right side of the fixed shell (91); the top of the locking block (910) is connected with the right groove of the movable rod (92), the bottom of the locking block (910) is fixedly connected with the top of the operating piece (912), and a second spring (911) is arranged between the bottom surface of the locking block (910) and the bottom surface of the inside of the fixed shell (91); the locking part (914) is vertically and movably connected inside the right lower corner of the fixed shell (91), a spring IV (915) is arranged between the locking part (914) and the inside of the right lower corner of the fixed shell (91), and the top of the locking part (914) is connected with the right side groove of the shaft body (916); the shaft body (916) is movably connected in the lower right hole of the fixed shell (91) from left to right, and the left end of the shaft body (916) is connected with the right side surface of the movable shell (99).
2. The utility model provides an ammeter case with anti-electricity-theft alarming function which characterized in that: the door opening alarm device comprises a door opening alarm device, wherein the door opening alarm device comprises a fixed shell (91), a movable rod (92), a first spring (93), a fixed cover body (94), a groove body (95), a first proximity switch (96), a second proximity switch (97), a connecting rod (98), a movable shell (99), a locking block (910), a second spring (911), an operating part (912), a third spring (913), a locking part (914), a fourth spring (915) and a shaft body (916); the movable rod (92) is movably connected inside the fixed shell (91) through a fixed cover body (94), a first spring (93) is arranged between the central step surface of the movable rod (92) and the right side surface of the fixed cover body (94), and a groove body (95) is arranged on the left side of the movable rod (92);
the first proximity switch (96) is fixedly connected to the right lower side inside the fixed cover body (94), and the top of the first proximity switch (96) is connected with the left side of the movable rod (92); the proximity switch II (97) is fixedly connected inside the lower side of the fixed shell (91); the connecting rod (98) is movably connected to the inside of the lower side of the fixed shell (91) from left to right, and the right end of the connecting rod (98) is fixedly connected with a movable shell (99); the movable shell (99) is movably connected to the inside of the lower right side of the fixed shell (91) from left to right, a locking block (910) is vertically and movably connected to the inside of the movable shell (99), and a spring III (913) is arranged between the left side of the movable shell (99) and the inside of the lower right side of the fixed shell (91); the top of the locking block (910) is connected with the right groove of the movable rod (92), the bottom of the locking block (910) is fixedly connected with the top of the operating piece (912), and a second spring (911) is arranged between the bottom surface of the locking block (910) and the bottom surface of the inside of the fixed shell (91); the locking part (914) is vertically and movably connected inside the right lower corner of the fixed shell (91), a spring IV (915) is arranged between the locking part (914) and the inside of the right lower corner of the fixed shell (91), and the top of the locking part (914) is connected with the right side groove of the shaft body (916); the shaft body (916) is movably connected in the lower right hole of the fixed shell (91) from left to right, and the left end of the shaft body (916) is connected with the right side surface of the movable shell (99).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710508142.2A CN107389998B (en) | 2017-06-28 | 2017-06-28 | Ammeter case and alarm device that opens door with anti-electricity-theft alarming function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710508142.2A CN107389998B (en) | 2017-06-28 | 2017-06-28 | Ammeter case and alarm device that opens door with anti-electricity-theft alarming function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107389998A CN107389998A (en) | 2017-11-24 |
| CN107389998B true CN107389998B (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710508142.2A Expired - Fee Related CN107389998B (en) | 2017-06-28 | 2017-06-28 | Ammeter case and alarm device that opens door with anti-electricity-theft alarming function |
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| Country | Link |
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| CN (1) | CN107389998B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290573B (en) * | 2017-06-28 | 2020-01-21 | 国网山东省电力公司烟台供电公司 | Ammeter case with anti-electricity-theft alarming function |
| CN112649662B (en) * | 2020-12-02 | 2023-04-21 | 贵州电网有限责任公司 | Distribution network line fault metering device based on voltage characteristics |
| CN113311205B (en) * | 2021-04-15 | 2023-08-25 | 国网山东省电力公司淄博供电公司 | Anti-electricity-theft alarm device convenient to install and detach |
| CN115980420B (en) * | 2023-03-15 | 2023-06-02 | 泰州市云智电力器材有限公司 | Electricity meter anti-theft device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10488440B2 (en) * | 2014-06-25 | 2019-11-26 | Landis+Gyr Llc | Cover removal switch having lever-arm |
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| CN2330764Y (en) * | 1998-05-04 | 1999-07-28 | 张君明 | Alarm switch for anti-burglar door |
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| CN204203318U (en) * | 2014-08-26 | 2015-03-11 | 国网河南省电力公司濮阳供电公司 | Terminal box of transformer substation and electric supply meter case alarm system for abnormal opening |
| CN205665284U (en) * | 2016-05-31 | 2016-10-26 | 国网山东省电力公司高唐县供电公司 | Anti -electricity -theft measurement cabinet of 10kV power transmission |
| CN107290573A (en) * | 2017-06-28 | 2017-10-24 | 国网山东省电力公司烟台供电公司 | One kind has anti-electricity-theft warning function ammeter box |
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|---|---|
| CN107389998A (en) | 2017-11-24 |
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