CN207338162U - A kind of power marketing defaulting subscriber's auto-power-off device - Google Patents
A kind of power marketing defaulting subscriber's auto-power-off device Download PDFInfo
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- CN207338162U CN207338162U CN201721222696.8U CN201721222696U CN207338162U CN 207338162 U CN207338162 U CN 207338162U CN 201721222696 U CN201721222696 U CN 201721222696U CN 207338162 U CN207338162 U CN 207338162U
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Abstract
The utility model discloses a kind of power marketing defaulting subscriber's auto-power-off device, is related to the field of pre-payment power supply control, has the function of that arrearage automatically powers off.The utility model includes one using the conductive rack that pumps of motor driving, and the conduction rack is switching on and off power supply.The utility model controls the rotating of motor by rotating driving chip, so as to control conductive rack to slide up and down.The utility model has conductive contact good, is not easy the beneficial effect of Automatic-falling, also has the beneficial effect for preventing high current disjunction scaling loss node.
Description
Technical field
The utility model belongs to the controller switching equipment management domain in electrical equipment control field, and in particular to a kind of pre-payment
The automatic switching off/on device of electric energy meter.
Background technology
Pre-payment electric energy management can both help supplier of electricity to improve power consumption management water as a kind of new power consumption management pattern
It is flat, and electricity consumption side can be helped to carry out autonomous consumption, the realization of pre-payment electric energy management mode is dependent on prepayment meter
Complete.Existing prepayment meter, has the interactive interface of pre-payment medium, it is defeated that acceptable user supplements information about power with money in advance
Enter, and prepayment breaker in itself or can be coordinated by electric energy meter, realize the control of load break-make and pre-payment management.In power train
The intelligent electric energy meter with power down function has been popularized in household electricity power distribution network in system, but from far-off regions at some, still
So there are the ammeter that some common tables either plug-in card takes electricity, there is no the control that breaker is switched between ammeter and user
It can not realize that arrearage automatically powers off.And the repacking for carrying out intelligent electric meter then needs substantial amounts of expense.Therefore need a kind of from dynamic circuit breaker
The auxiliary device of electricity carries out auxiliary control to existing electric energy meter.A kind of prepayment meter of Application No. 201620566280.7
Automatic switching off/on device, devises a kind of prepayment meter intelligence switching off/on device.But the device is using drawstring lifting iron
The mode of block carries out disjunction and closure, there are certain danger, and is vulnerable to the influence of vibrations；Secondly zero firewire passes through one
Iron block realizes that break-make has certain short-circuit possibility, therefore also has the danger for triggering fire；Finally the device does not account for
With equipment scaling loss caused by big load section breaker.Because a kind of defaulting subscriber simple in structure, easy to operate of the invention is from dynamic circuit breaker
Electric installation, becomes a kind of urgent demand.
The content of the invention
The technical problem to be solved in the present invention is：It is simple in structure, easy to operate to provide one kind, aids in common electric energy meter to owe
A kind of time-consuming power marketing defaulting subscriber's auto-power-off device automatically powered off.
The technical solution of the technical problem to be solved in the present invention is：A kind of power marketing automatically powers off dress with defaulting subscriber
Put, including controller, it is characterised in that：Further include switching off/on device.The switching off/on device is connected on the output terminal of electric energy meter
Between user's switch, controller is electrically connected with electric energy meter, switching off/on device respectively.The switching off/on device include bottom plate,
First and second input terminal, first and second output terminal, conductive rack, into wiring connector, go out wiring connector, fixed frame, driving motor, from
Moving gear, upper and lower limit bit switch and control circuit.First and second input terminal be arranged on bottom plate top, described first and second
Output terminal is arranged on the lower part of bottom plate.The both sides of the conduction rack are equipped with rack, and the top and bottom of conductive rack are respectively embedded
There are two conducting metal blocks, two conducting metal blocks of upper end are first and second conducting metal block, two conducting metal blocks of lower end
For third and fourth conducting metal block, the electrical connection of first and third conducting metal block, the electrical connection of second, four conducting metal blocks, connection
The conducting wire of the conducting metal block of upper and lower part is embedded inside conductive rack.The conduction rack is located at the middle part of bottom plate, institute
The left side that driving motor is arranged on conductive rack is stated, driving motor is fixedly connected with bottom plate, drives the shaft of motor to be equipped with leading
The electric matched gear of rack, the driven gear are arranged on the right side of conductive rack, and the upper and lower limit bit switch is respectively positioned at conduction
The upper and lower part of rack, and be fixedly connected with the top and bottom of bottom plate.It is described into wiring connector be ring-type, inlet wire connection
Device is arranged on the lower part of upper limit position switch, and is set on conductive rack, is fixedly connected into the rear portion of wiring connector with bottom plate, into
The front portion of wiring connector is embedded with two lead terminals, and the front portion of the lead terminal electrically connects with first and second input terminal respectively
Connect, first and second conducting metal block of the rear portion of the lead terminal and conductive rack is slidably connected.It is described go out wiring connector be ring
Shape, goes out the top that wiring connector is arranged on limit switch, it is described go out wiring connector center line overlapped with conductive rack, outlet connects
The rear portion of device is fixedly connected with bottom plate, and the front portion for going out wiring connector is embedded with two lead terminals, and go out wiring connector two draw
The front portion of line terminals and the electrical connection of first and second output terminal, the rear portion for going out two lead terminals of wiring connector are led with third and fourth
The position of electric metal block coincides with the upper and lower, and both are slidably connected.The fixed frame is equipped with two, is located at respectively into wiring connector
Lower part and go out the top of wiring connector, the fixed frame is equipped with two stents and two roller bearings, the branch are set up in conductive tooth
Both sides of bar, and stent is fixedly connected with bottom plate, the both ends of roller bearing are fixedly connected with two stents, one of roller bearing and are led
The rear portion of the anterior abutting of electric rack, another roller bearing and conductive rack abuts.The control circuit includes power module, rotating
Driving chip, the input terminal of the power module and the electrical connection of first and second input terminal, the power supply of rotating driving chip just,
The positive and negative anodes electrical connection of the output terminal of negative pin and power module, two control inputs of the rotating driving chip are drawn
Foot and controller electrical connection, two output pins of the rotating driving chip and the positive and negative anodes of driving motor electrically connect
Connect, upper and lower limit bit switch and the controller electrical connection.
Preferably, the gear of the driving machine shaft is equipped with manual operation handle, and the manual operation handle is just
Hexagon cylinder, the axial line of the axial line and gear that are manually operated handle overlap, in the top of the manual operation handle
The heart is equipped with regular hexagon groove, to carry out rotating operation by sleeve or screwdriver.
Preferably, the first input end and it is in series with overcurrent relay between a lead terminal on wiring connector
Coil windings, be in series with the normally closed of overcurrent relay between the control input pin and controller of the rotating driving chip
Contact, to prevent from disconnecting switching off/on device in the case where electric current is excessive and cause conductive rack with into and out of wiring connector
Scaling loss.
Preferably, the driving motor is stepper motor.
Preferably, the controller is equipped with IC card card reader module.
Preferably, first and second input terminal, first and second output terminal are a kind of self-locking terminal.
The beneficial effects of the utility model are：
1, judge the electricity charge service condition of user by controller, during arrearage, controller control driving motor, which disconnects, to be reached
The purpose of power failure, has the function of that arrearage automatically powers off；
2, using it is conductive in flakes in the form of carry out powered and power-off control, there is stable structure, what service life was grown has
Beneficial effect.
3, equipped with overcurrent detecting device, have the function of to prevent to disconnect during high current, with the scaling loss for reducing equipment
Beneficial effect.
Brief description of the drawings
Fig. 1 is a kind of a kind of front view of embodiment of the automatic switching off/on device of pre-paying kilowatt-hour meter of the utility model,
Fig. 2 is a kind of a kind of left view of embodiment of the automatic switching off/on device of pre-paying kilowatt-hour meter of the utility model,
Fig. 3 is a kind of a kind of circuit diagram of embodiment of the automatic switching off/on device of pre-paying kilowatt-hour meter of the utility model.
In figure：
11st, first input end, the 12, second input terminal, the 21, first output terminal, the 22, second output terminal, 3, conductive rack,
4th, into wiring connector, 5, go out wiring connector, 6, fixed frame, 61, stent, 62, roller bearing, 71, driving motor, 72, driven gear,
81st, upper limit position switch, 82, lower position switch, 91, power module, 92, rotating driving chip, 93, overcurrent relay.
Embodiment
To make the technical solution of the utility model and beneficial effect clearer, below to the embodiment of the utility model
Further explained in detail.
As shown in Figure 1, a kind of power marketing defaulting subscriber's auto-power-off device, including controller and switching off/on device.
Switching off/on device is connected between electric energy meter and user's switch, and controller electrically connects with switching off/on device, electric energy meter respectively
Connect.Controller is to calculate power consumption, and when not enough power supply, controller is used by connecting the cut-out of line traffic control switching off/on device
Family power supply.
Switching off/on device be equipped with bottom plate, first and second input terminal, 11,12, first and second output terminal 21,22, conductive rack 3,
Into and out of wiring connector 4,5, fixed frame 6, driving motor 71, driven gear 72, upper and lower limit bit switch 81,82 and control electricity
Road.
For the ease of the connection of mains supply line and the convenience of back panel wiring, it is defeated to be provided with first and second on the top of bottom plate
Enter end 11,12, to connect power supply, that is, connect the power output end of electric energy meter；It is defeated that first and second is provided with the lower part of bottom plate
Outlet 21,22, to connect user's switch.
Preferably, first and second input terminal 11,12 and first and second output terminal 21,22 use a kind of self-locking terminal.Application number
It is exactly a kind of self-locking terminal for a kind of 201210446993.6 invention.The terminal is equipped with clamping mechanism directly by cable insertion end
Sub- jack is the connection that cable can be achieved, and has conveniently beneficial effect.
In order to realize the breaking function of circuit, when the invention is using conductive rack 3 upper-lower position difference, contact respectively and disconnected
Drive into, go out wiring connector 4,5 to realize the disjunction of major loop and closure.Therefore conductive rack 3 is provided with the centre of bottom plate,
Both sides up and down in the middle part of bottom plate are provided with into and out of wiring connector 4,5.In order to increase the stability of conductive rack 3, conductive rack 3
Both sides be equipped with rack.As shown in Figure 1, the left side of conductive rack 3 is equipped with driving motor 71, drives and set in the shaft of motor 71
There is gear.Drive the rack matching of the gear in 71 shaft of motor and the conductive left side of rack 3 and be engaged.In order to ensure conductive rack
3 stabilization, driven gear 72 is provided with the right side of conductive rack 3.Driven gear 72 is fixed on bottom plate by shaft.It is driven
Gear 72 is matched and is interlocked with the rack on the conductive right side of rack 3.Rotation by the both forward and reverse directions for driving motor 71
Realize sliding up and down for conductive rack 3.
Preferably, driving motor 71 uses stepper motor.Stepper motor is that electric impulse signal is changed into angular displacement or line
The opened loop control motor of displacement, is the main executive component in modern digital program control system, and application is extremely wide.Non-super
In the case of load, the rotating speed of motor, the position stopped being solely dependent upon the frequency and umber of pulse of pulse signal, and change from load
Influence, as soon as when step actuator receives a pulse signal, its Driving Stepping Motor by the direction of setting rotate one it is solid
Fixed angle, is known as " step angle ", its rotation is run step by step with fixed angle.Can be by controlling pulse
Count to control angular displacement, so as to achieve the purpose that accurate positionin；By controlling pulse frequency motor can be controlled to turn at the same time
Dynamic speed and acceleration, so as to achieve the purpose that speed governing.Led in the invention by controlling stepper motor accurately to control
The sliding distance of electric rack 3, prevents conductive rack 3 to be damaged.
In order to realize electric conducting, ensureing insulation safety, conductive rack 3 uses insulating materials, and in conductive rack 3
Top and bottom be respectively embedded two conducting metal blocks.Two conducting metal block mutually insulateds, into and out of wiring connector 4,
Two lead terminals on 5 realize electrical connection.The conducting metal block of conductive 3 upper end of rack is first and second conducting metal block
31st, 32, two conducting metal blocks of lower end are third and fourth conducting metal block 33,34.The electricity of first and third conducting metal block 31,33
Gas connects, the electrical connection of second, four conducting metal blocks 32,34.Preferably, in order to realize the smooth of conductive 3 surface of rack, connect
The conducting wire of upper and lower conducting metal block is embedded in the inside of conductive rack 3.
As shown in Fig. 2, in order to provide a sliding rail to conductive rack 3, portion is provided with two fixed frames in the soleplate
6.In order to realize the supporting role to conductive rack 3, fixed frame 6 is provided with two stents 61 and two roller bearings 62.Two stents
61 be vertical bar, and perpendicular to bottom plate.Stent 61 is arranged on the left and right sides of conductive rack 3, and is fixedly connected with bottom plate.
Middle part of the both ends of one of roller bearing 62 respectively with two stents 61 is fixedly connected, the both ends of another roller bearing 62 are respectively with two
The front end of a stent 61 is fixedly connected.Conductive rack 3 is plugged among two roller bearings 62.That is anterior roller bearing 62 and conductive rack
Abut before 3, abutted behind roller bearing 62 and conductive rack 3 below.
For ring-type and it is set in into wiring connector 4 on conductive rack 3, into the rear end of wiring connector 4 and the top of bottom plate
It is fixedly connected.Two lead terminals are equipped with the front portion into wiring connector 4.Two lead terminals are embedded in front portion, and are protruded
Into the both sides of the front panel of wiring connector 4.The front end of lead terminal is electrically connected by conducting wire and first and second input terminal 11,12
Connect.The rear portion of lead terminal and first and second conducting metal block 31,32 of conductive rack 3 are slidably connected.
It is identical with into 4 structure of wiring connector to go out wiring connector 5, is similarly ring-type.The front portion for going out wiring connector 5 is embedded with two
A two lead terminals.Go out front end and the electrical connection of first and second output terminal 21,22 of the lead terminal on wiring connector 5, rear end
Coincide with the upper and lower and can be slidably connected with third and fourth conducting metal block 33,34 on conductive rack 3.In order to realize connection, go out
The axial line of the center of wiring connector 5 and conductive rack 3 overlaps, its position and is coincided with the upper and lower into wiring connector 4.
When conductive rack 3 slides into lower part, first and second conducting metal block 31,32 and the inlet wire on conductive 3 top of rack connect
The lead terminal connect on device 4 touches, third and fourth conducting metal block 33,34 of conductive 3 lower part of rack is with going out drawing for wiring connector 5
Line terminals contact, and realize the closure function of electric loop.When conductive rack 3 slides into top, first and second conducting metal block
31st, 32 depart from the lead terminal into wiring connector 4, third and fourth conducting metal block 33,34 and the lead end for going out wiring connector 5
Son departs from, and realizes the disconnection of electric loop.
Conductive rack 3 is slided up and down by driving 71 rotating of motor control to realize.Motor 71 is driven in order to prevent
Burn out, upper and lower limit bit switch 81,82, line and the conduction of upper and lower limit bit switch 81,82 are equipped with the top and bottom of bottom plate
Rack 3 overlaps.When conductive rack 3 reaches upper end or lower end, triggering upper and lower limit bit switch 81,82 and then closing driving electricity
Machine 71.
In order to realize the control of driving 71 rotating of motor, power module 91 is provided with control circuit and rotating is driven
Dynamic chip 92.Rotating driving chip 91 uses L7010R driving chips.The chip is equipped with two positive pole input pins, and two
A power cathode input pin, exists in the actual reference of chip, two power cathode input pin ground connection.The chip is additionally provided with two
A control output pin and two control signal input pins.DC power supply ratio is applied in rotating control due to driving motor 71
The function of being easier to control therefore power module 91 is that AC power is converted to DC power supply, therefore the exchange of power module 91
Input terminal and the electrical connection of first and second input terminal 11,12.The cathode of the DC output end of power module 91 and rotating driving core
The power cathode pin electrical connection of the positive pole pin electrical connection of piece 92, anode and rotating driving chip 92.It is positive and negative
Turn two control output pins of driving chip 92 and drive the positive and negative anodes electrical connection of motor 71.Rotating drive control device core
Control input pin and the controller electrical connection of piece 92.In order to realize the control of driving motor 71, upper and lower limit bit switch
81st, 82 it is electrically connected with controller.When conductive rack 3 reaches upper end or lower end, information in place, control are sent to controller
Device processed stops driving motor 71 after detecting positional information.
Preferably, in the case of high current, breaking current needs special breaker or air switch, otherwise can produce
Raw electric arc burns out equipment, therefore in first input end 11 and into overcurrent of having connected between a lead terminal on wiring connector 4
The coil windings of relay 93, overcurrent relay of connecting between the control input pin and controller of rotating driving chip 92
The normally-closed contact of device 93.Therefore in the case where electric current is excessive, overcurrent relay 93 acts, its normally-closed contact disconnects, therefore controls
Even if device processed sends the signal of power-off, but since the disconnection of normally-closed contact, driving motor 71 still will not rotate.Control at this time
Device can remain the output of control signal due to can't detect the signal of limit switch.When electric current is reduced to below setting value
Turning off operation.
Preferably, driving in order to prevent during 71 failure of motor to be operated manually, in the shaft of driving motor 71
Gear on be provided with manual operation handle.It is manually operated cylinder of the handle for a regular hexagon.It is manually operated the axis of handle
The center line of the shaft of heart line and driving motor 71 overlaps.Axis parallel is arranged in the end of manual operation handle in manual behaviour
Make the groove of the regular hexagon of the axial line of handle.Therefore when driving 71 failure of motor, manual behaviour can be inserted in by sleeve
Make to be inserted on handle or using interior six side in the groove of the regular hexagon of manual operation handle, come on rotational drive motor 71
Gear is so as to carry out the slide of conductive rack 3.
Preferably, controller is equipped with IC card card reader, for reading the data of IC card.
Mechanically and electrically structure based on the utility model, it automatically controls disjunction and the method for closure is：
Step 1, the card reader of controller reads the electricity of the data of IC card, i.e. user's purchase；
Step 2, controller obtains the number of degrees of electric energy meter by the electrical cable between electric energy meter, and is recorded as initial
Data；
Step 3, controller control switching off/on device closure, is specially：
Control driving motor 71 rotates forward, and conductive rack 3 slides into lower part connection into and out of wiring connector 4,5, detection from top
Motor stops the rotation of driving motor 71 after to the signal of lower position switch 82, and electric loop turns at this time；
Step 4, the electric degree number of controller reading power meters at times, and subtract each other with primary data, and judge the knot subtracted each other
Whether fruit is identical with the data of the IC card of reading；
Continue repeat step 4 if different；If the same step 5 is carried out；
Step 5, controller sends disjunction instruction, is specially：
Controller control driving motor 71 inverts, and conductive rack 3 is disconnected into and out of wiring connector from lower slide to top
4th, 5 connection, detects the disconnection of the rotation, at this time electric loop that stop driving motor 71 after upper limit position switch 81；
Step 6, Card Reader next time is waited, then repeat step 1 arrives step 5.
In conclusion the only preferred embodiment of the utility model, is not used for limiting the scope of the utility model,
By above-mentioned description, relevant staff can carry out without departing from the scope of the technological thought of the present invention' completely
Various changes and amendments.The technical scope of the utility model is not limited to the content on specification, and Fan Yiben is practical
Shape, construction, feature and the so-called equivalent changes and modifications of spirit described in new claimed range, should all include and this practicality
In new right.
Claims (6)
1. a kind of power marketing defaulting subscriber's auto-power-off device, including controller, it is characterised in that：
Further include switching off/on device,
The switching off/on device be connected on electric energy meter output terminal and user switch between, controller respectively with electric energy meter, division
Brake gear is electrically connected；
The switching off/on device includes bottom plate, first and second input terminal (11,12), first and second output terminal (21,22), conductive rack
(3), into wiring connector (4), go out wiring connector (5), fixed frame (6), driving motor (71), driven gear (72), upper and lower limit
(81,82) and control circuit are switched,
First and second input terminal (11,12) is arranged on the top of bottom plate, and first and second output terminal (21,22) is arranged on bottom plate
Lower part,
The both sides of the conduction rack (3) are equipped with rack, and the top and bottom of conductive rack (3) are respectively embedded with two conductive golds
Belong to block, two conducting metal blocks of upper end be first and second conducting metal block (31,32), and two conducting metal blocks of lower end are the
3rd, four conducting metal blocks (33,34), first and third conducting metal block (31,33) electrical connection, second, four conducting metal blocks (32,
34) it is electrically connected, the conducting wire for connecting the conducting metal block of upper and lower part is embedded in conductive rack (3) inside,
The conduction rack (3) is located at the middle part of bottom plate, and the driving motor (71) is arranged on the left side of conductive rack (3), driving
Motor (71) is fixedly connected with bottom plate, driving motor (71) shaft be equipped with conductive rack (3) matched gear, it is described from
Moving gear (72) is arranged on the right side of conductive rack (3), and the upper and lower limit bit switch (81,82) is respectively positioned at conductive rack (3)
Upper and lower part, and be fixedly connected with the top and bottom of bottom plate,
Described into wiring connector (4) is ring-type, and the lower part of upper limit position switch (81) is arranged on into wiring connector (4), and is set in
On conductive rack (3), it is fixedly connected into the rear portion of wiring connector (4) with bottom plate, two is embedded with into the front portion of wiring connector (4)
Lead terminal, the anterior of the lead terminal are electrically connected with first and second input terminal (11,12) respectively, the lead terminal
The first and second conducting metal block (31,32) of rear portion and conductive rack (3) is slidably connected,
It is described go out wiring connector (5) be ring-type, go out the top that wiring connector (5) is arranged on limit switch (82), outlet connection
The center line of device (5) is overlapped with conductive rack (3), and the rear portion for going out wiring connector (5) is fixedly connected with bottom plate, goes out wiring connector
(5) front portion is embedded with two lead terminals, goes out front portion and first and second output terminal of two lead terminals of wiring connector (5)
(21,22) it is electrically connected, goes out rear portion and third and fourth conducting metal block (33,34) of two lead terminals of wiring connector (5)
Position coincides with the upper and lower, and both are slidably connected,
The fixed frame (6) is equipped with two, is located at respectively into the lower part of wiring connector (4) and the top for going out wiring connector (5), institute
To state fixed frame (6) and be equipped with two stents (61) and two roller bearings (62), the stent (61) is arranged on the both sides of conductive rack (3),
And stent (61) is fixedly connected with bottom plate, the both ends of roller bearing (62) are fixedly connected with two stents (61), one of roller bearing
(62) being abutted with the anterior of conductive rack (3), the rear portion of another roller bearing (62) and conductive rack (3) abuts,
The control circuit includes power module (91), rotating driving chip (92), the input terminal of the power module (91)
It is electrically connected with first and second input terminal (11,12), the power supply positive and negative electrode pin and power module of rotating driving chip (92)
(91) the positive and negative anodes electrical connection of output terminal, the two control input pins and controller of the rotating driving chip (92)
Electrical connection, the positive and negative anodes electrical connection of two output pins and driving motor (71) of the rotating driving chip (92),
The upper and lower limit bit switch (81,82) and controller electrical connection.
A kind of 2. power marketing defaulting subscriber's auto-power-off device according to claim 1, it is characterised in that：
The gear of described driving motor (71) shaft is equipped with manual operation handle, and the manual operation handle is regular hexagon column
Body, the axial line of the axial line and gear that are manually operated handle overlap, and the center at the top of the manual operation handle is equipped with just
Hexagonal indentations, to carry out rotating operation by sleeve or screwdriver.
A kind of 3. power marketing defaulting subscriber's auto-power-off device according to claim 1, it is characterised in that：
The first input end (11) and it is in series with overcurrent relay (93) between a lead terminal on wiring connector (4)
Coil windings, be in series with overcurrent relay between the control input pin and controller of the rotating driving chip (92)
(93) normally-closed contact, to prevent in the case where electric current is excessive disconnect switching off/on device and cause conductive rack (3) with into,
Go out the scaling loss of wiring connector (4,5).
A kind of 4. power marketing defaulting subscriber's auto-power-off device according to claim 1, it is characterised in that：
The driving motor (71) is stepper motor.
A kind of 5. power marketing defaulting subscriber's auto-power-off device according to claim 1, it is characterised in that：
The controller is equipped with IC card card reader module.
A kind of 6. power marketing defaulting subscriber's auto-power-off device according to claim 1, it is characterised in that：
First and second input terminal (11,12), first and second output terminal (21,22) are a kind of self-locking terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721222696.8U CN207338162U (en) | 2017-09-22 | 2017-09-22 | A kind of power marketing defaulting subscriber's auto-power-off device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721222696.8U CN207338162U (en) | 2017-09-22 | 2017-09-22 | A kind of power marketing defaulting subscriber's auto-power-off device |
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| Publication Number | Publication Date |
|---|---|
| CN207338162U true CN207338162U (en) | 2018-05-08 |
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|---|---|---|---|
| CN201721222696.8U Expired - Fee Related CN207338162U (en) | 2017-09-22 | 2017-09-22 | A kind of power marketing defaulting subscriber's auto-power-off device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109345715A (en) * | 2018-09-01 | 2019-02-15 | 张金山 | A kind of plug-in card charging type ammeter user-aided system and electricity-fetching method |
-
2017
- 2017-09-22 CN CN201721222696.8U patent/CN207338162U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109345715A (en) * | 2018-09-01 | 2019-02-15 | 张金山 | A kind of plug-in card charging type ammeter user-aided system and electricity-fetching method |
| CN109345715B (en) * | 2018-09-01 | 2021-03-12 | 哈尔滨汇鑫仪器仪表有限责任公司 | Card-inserting electricity-taking type electric meter user auxiliary system and electricity-taking method |
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