CN203164251U - Guide rail-type prepayment electric energy meter - Google Patents
Guide rail-type prepayment electric energy meter Download PDFInfo
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- CN203164251U CN203164251U CN 201320106864 CN201320106864U CN203164251U CN 203164251 U CN203164251 U CN 203164251U CN 201320106864 CN201320106864 CN 201320106864 CN 201320106864 U CN201320106864 U CN 201320106864U CN 203164251 U CN203164251 U CN 203164251U
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Abstract
The utility model discloses a guide rail-type prepayment electric energy meter, comprising a circuit board and a breaker. The circuit board comprises a processor, an electric energy sampling unit, and a memory, wherein the processor is connected with the electric energy sampling unit, the breaker, and the memory. The breaker comprises a relay, an input line, and an output line, wherein the input line and the output line, which are hard electric conductors, are located in the bottom of the breaker and connected with the relay; the input line and the output line are respectively provided with bolt holes; the input line comprises a sampling resistor, a voltage detection line, and current detection lines; two detection points of the current detection lines are respectively located at the two ends of the sampling resistor; the input line and the output line are Z-shaped; and the bolt holes are located in the end portions of the input line and the output line. The circuit board is divided into a sampling board and a control board, and the sampling board is provided with a relay position fixing hole. The guide rail-type prepayment electric energy meter has a compact structure and adopts a network communication mode to realize prepayment of electricity fee; the guide rail-type prepayment electric energy meter combines the characteristics of small size and easy installation of guide rail-type electric energy meters; and the guide rail-type prepayment electric energy meter can realize networking management easily.
Description
Technical field
The utility model relates to prepayment meter.
Background technology
The prepayment meter in present electric energy measurement field, mainly realize prestoring the electricity charge by dual mode: a kind of is that the employing electronic cards is the mode of IC-card, a kind of employing code-type input.Which kind of mode all needs the input system of the electricity charge that prestore and built-in isolating switch, cause the instrument volume bigger, thereby existing prepayment meter all adopts the wall hanging mounting means, not only install loaded down with trivial details, and the instrument volume is bigger, when installing concentratedly, to having relatively high expectations of space.
Summary of the invention
Problem to be solved in the utility model is current prepayment meter, and volume is big, installs inconvenient.
For addressing the above problem, the scheme that the utility model adopts is as follows:
Guide tracked prepayment meter comprises circuit board and isolating switch.Described circuit board comprises processor, electric energy sampling unit, storer; Processor connects electric energy sampling unit, isolating switch, storer; Described isolating switch comprises relay, input line and output line; Input line and output line are positioned at the isolating switch bottom, are the electric conductor of hard, connect relay; Input line and output line comprise bolt hole, and spiro keyhole position is in the end of input line and output line; Input line comprises sampling resistor, voltage detecting line, current detecting line; Two measuring points of current detecting line lay respectively at the two ends of sampling resistor.Input line and output line are zigzag.Include the relay fixed hole on the circuit board, relay passes the relay fixed hole.Bolt hole also is used for fixed relay except being used for connecting the external electric wire.Bolt hole and relay fixed hole are realized isolating switch is fixed.
For reducing the plane sizes of guide tracked prepayment meter, circuit board is divided into sampling plate and control panel, and the electric energy sampling unit is positioned at sampling plate, and processor is positioned at control panel.Sampling plate and control panel are structure up and down, and sampling plate is following, and control panel is last.The relay fixed hole is positioned on the sampling plate.Guide tracked prepayment meter of the present utility model further can also comprise display screen.Display screen is installed on the control panel.
The utility model preferentially adopts the network communication mode electricity charge that prestore.Guide tracked prepayment meter further comprises communication interface.Communication interface can be the interface of RS485 interface or Ethernet interface or other standards.Processor is used for: obtain the electric flux that the electric energy sampling unit obtains; Establish a communications link by communication interface and distance host; The amount of money of response distance host arranges instruction, and the amount of money is kept in the storer; The rate of response distance host arranges instruction, and rate is kept in the storer; Calculate the electricity charge that consume according to electric flux and the rate in the storer that the electric energy sampling unit obtains, and in the amount of money of storer, deduct the electricity charge of consumption; Judge whether the amount of money in the storer is enough; If the insufficient in amount in the storer is then controlled isolating switch and cut off the electricity supply, stop power supply; If the amount of money in the storer is enough, then control isolating switch and be communicated with power supply, begin power supply.
The utility model further can also comprise clock apparatus, and the rate of storing in the storer is time-division charge rate, and processor also is used for: the current time of obtaining clock apparatus; Calculate current rate according to the time-division charge rate of storing in current time and the storer; Calculate the electricity charge that consume according to electric flux and current rate that the electric energy sampling unit obtains, and in the amount of money of storer, deduct the electricity charge of consumption.Realize the time-shared charge function of pre-payment thus.For guaranteeing normally carrying out of time-shared charge, processor instructs in the time of can also being used for the response school, sets the current time of clock apparatus.
Further, can also comprise the detailed memory function of electric energy and the detailed memory function of the electricity charge, and corresponding query function is provided.
Technique effect of the present utility model comprises:
The utility model compact conformation is different from the electricity charge that prestore of existing IC-card or code input type, and adopts the electricity charge that realize prestoring of the mode of network service, and combines guide rail type electrical energy meter, and volume is little, and easily the characteristics of installing realize the networking management easily.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the utility model breaker structure synoptic diagram.
Fig. 3 is the utility model breaker structure synoptic diagram, and wherein input line and output line are zigzag.
Fig. 4 is the structural representation of the utility model embodiment 2.
Fig. 5 is the structural representation of the utility model embodiment 3.
Fig. 6 is the utility model circuit diagram.
Embodiment
Below in conjunction with Figure of description the utility model is described in further details.
Embodiment 1
Guide tracked prepayment meter as shown in Figure 1, comprises shell 1, circuit board 2, isolating switch 3.Circuit board 2 includes processor, electric energy sampling unit, storer.As shown in Figure 6, processor connects electric energy sampling unit, isolating switch, storer.Isolating switch 3, shown in Figure 3 as Fig. 2, comprise relay 31, input line 32, output line 33.Input line 32 and output line 33 include bolt hole 34.Bolt hole 34 is positioned at the end of input line 32 and output line 33.Input line 32 and output line 33 connect relay 31 for being the hard conductor of flat, are positioned at the bottom of isolating switch 3.The centre of input line 32 includes sampling resistor 35.Input line 32 is connected with voltage detecting line 36, current detecting line 38.Article two, current detecting line 38 connects the two ends of sampling resistor 35 respectively.Because input line 32 and output line 33 are made for the hard conductor, can be with isolating switch 3 whole being fixed on the shell 1 by bolt hole 34.Input line 32 and output line 33 also can be zigzag, as shown in Figure 3.This is the height for the height that adapts to shell 1 inner bolt hole and external cord access point.Usually input line 32 is connected live wire with output line 33.Wherein output line 33 connects load, and input line 32 connects external power supply.
Embodiment 2
On the basis of embodiment 1, for further fixedly isolating switch 3.Circuit board 2 can the open relay fixed hole.As shown in Figure 4, circuit board 2 includes relay fixed hole 21, and the relay 31 of isolating switch 3 passes relay fixed hole 21, thereby makes isolating switch 3 better to be fixed in the shell 1.
On the basis of above-described embodiment, consider that all circuit devcies all are placed on the circuit board, circuit board needs bigger area.As shown in Figure 5, circuit board 2 is divided into sampling plate 4 and control panel 5 for this reason.The circuit of electric energy sampling unit is positioned on the sampling plate 4.Control panel 5 mainly is the circuit of processor and storer.Sampling plate 4 and control panel 5 are structure up and down, and sampling plate 4 is following, and control panel 5 is last.Relay fixed hole 21 is positioned on the sampling plate 4.On the control panel 5 display screen 6 can also be installed.
Embodiment 4
As shown in Figure 6, guide tracked prepayment meter comprises processor, electric energy sampling unit, isolating switch, storer, communication interface.Processor connects electric energy sampling unit, isolating switch, storer, communication interface.Communication interface can be the interface of RS485 interface or Ethernet interface or other standards.The guide tracked prepayment meter of present embodiment is single-phase type.Insert live wire and zero line.Wherein electric energy sampling unit and isolating switch are installed on the live wire.Isolating switch on the live wire plays the effect of switch, and when electric energy meter prestores electricity charge insufficient in amount, thereby cut-off breaker is cut off the electricity supply under the control of processor, stops power supply.
The electricity charge prestore and rate is set.The electricity charge that prestore of the guide tracked prepayment meter of present embodiment realize that by network service wherein processor is responsible for: establish a communications link by communication interface and distance host; After communicating to connect foundation, the amount of money of receiving remote main frame arranges instruction, i.e. electricity charge prestored instruction is kept at the amount of money electricity charge that namely prestore in the storer.The guide tracked prepayment meter of present embodiment can also arrange rate, and the setting of rate realizes that by network service wherein processor is responsible for: establish a communications link by communication interface and distance host; After communicating to connect foundation, the rate of receiving remote main frame arranges instruction, and rate is kept in the storer.Storer is the continuation memory device that can preserve data after the power down, adopts EPROM or EEPROM.
During electric energy meter charging work, processor calculates the electricity charge that consume according to electric flux and the rate in the storer that the electric energy sampling unit obtains, and deducts the electricity charge of consumption in the amount of money of storer.When the electricity charge insufficient in amount that prestores of storer, processor control isolating switch is cut off the electricity supply, and stops power supply; When the electricity charge amount of money that prestores of storer was enough, processor control isolating switch was communicated with power supply, begins power supply.Judge whether the electricity charge amount of money that prestores in the storer is enough, be standard whether can pay certain electricity charge amount, for example, whether can pay the expense of kilowatt-hour, if the expense of kilowatt-hour is 0.45 yuan, if electricity charge amount of money less than is 0.45 yuan if then prestore in the storer, then think the electricity charge insufficient in amount that prestores.
On the basis of embodiment 1, guide tracked prepayment meter of the present utility model can also further provide the function of time-shared charge.As Fig. 1, shown in, the utility model can further include clock apparatus, and clock apparatus connects processor.Clock apparatus is used for determining the current time.The rate of memory stores is time-division charge rate, i.e. the rate scale of setting by different time sections.Processor obtains the current time in the clock apparatus; Calculate current rate according to the time-division charge rate of storing in current time and the storer then; Electric flux and the current rate that obtains according to the electric energy sampling unit calculated the electricity charge that consume again, and deducts the electricity charge of consumption in the amount of money of storer.
Be the correctness of current time of guaranteeing clock apparatus, function when the guide tracked prepayment meter of present embodiment also further provides the school.Processor instructs when being responsible for responding the school that passes over by communication interface, the current time during then according to the school in the instruction, the current time of revising clock apparatus, thereby the correctness of assurance current time.
On the basis of embodiment 4 or embodiment 5, guide tracked prepayment meter of the present utility model can also further provide the detailed memory function of electric energy and the detailed memory function of the electricity charge, and corresponding query function is provided.
The detailed memory function of electric energy.The processor of guide tracked prepayment meter of the present utility model also is used for the electric flux that the electric energy sampling unit obtains is recorded in described storer.When the inquiry electric energy was detailed, the electric energy query statement of processor response distance host was back to distance host with the electric flux record that is kept in the storer.
The detailed memory function of the electricity charge.The electricity charge that the processor of guide tracked prepayment meter of the present utility model also is used for consuming are recorded in storer.When the inquiry electricity charge were detailed, the electricity charge query statement of response distance host was back to distance host with the electricity charge record that is kept at the consumption in the storer.
Claims (8)
1. guide tracked prepayment meter is characterized in that, comprises circuit board and isolating switch; Described circuit board comprises processor, electric energy sampling unit, storer; Processor connects electric energy sampling unit, isolating switch, storer; Described isolating switch comprises relay, input line and output line; Input line and output line are positioned at the isolating switch bottom, are the electric conductor connection relay of hard; Input line and output line comprise bolt hole, and spiro keyhole position is in the end of input line and output line; Input line comprises sampling resistor, voltage detecting line, current detecting line; Two measuring points of current detecting line lay respectively at the two ends of sampling resistor.
2. guide tracked prepayment meter as claimed in claim 1 is characterized in that, described input line and output line are zigzag.
3. guide tracked prepayment meter as claimed in claim 1 is characterized in that, described circuit board comprises the relay fixed hole, and described relay passes the relay fixed hole.
4. guide tracked prepayment meter as claimed in claim 3 is characterized in that, described circuit board is divided into sampling plate and control panel; Described electric energy sampling unit is positioned at sampling plate; Described processor is positioned at control panel; Sampling plate and control panel are structure up and down, and sampling plate is following, and control panel is last; Described relay fixed hole is positioned at sampling plate.
5. guide tracked prepayment meter as claimed in claim 4 is characterized in that, also comprises display screen, and described display screen is installed on the control panel.
6. guide tracked prepayment meter as claimed in claim 1 is characterized in that, also comprises communication interface.
7. guide tracked prepayment meter as claimed in claim 6 is characterized in that, described communication interface is RS485 interface or Ethernet interface.
8. guide tracked prepayment meter as claimed in claim 6 is characterized in that, also comprises clock apparatus, and described processor connects clock apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320106864 CN203164251U (en) | 2013-03-11 | 2013-03-11 | Guide rail-type prepayment electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320106864 CN203164251U (en) | 2013-03-11 | 2013-03-11 | Guide rail-type prepayment electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203164251U true CN203164251U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320106864 Expired - Lifetime CN203164251U (en) | 2013-03-11 | 2013-03-11 | Guide rail-type prepayment electric energy meter |
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| Country | Link |
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| CN (1) | CN203164251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103150831A (en) * | 2013-03-11 | 2013-06-12 | 南京天溯自动化控制系统有限公司 | Rail-type prepayment electricity meter |
-
2013
- 2013-03-11 CN CN 201320106864 patent/CN203164251U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103150831A (en) * | 2013-03-11 | 2013-06-12 | 南京天溯自动化控制系统有限公司 | Rail-type prepayment electricity meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |