CN208207121U - Intelligent line inspection instrument - Google Patents
Intelligent line inspection instrument Download PDFInfo
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- CN208207121U CN208207121U CN201820753446.5U CN201820753446U CN208207121U CN 208207121 U CN208207121 U CN 208207121U CN 201820753446 U CN201820753446 U CN 201820753446U CN 208207121 U CN208207121 U CN 208207121U
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Abstract
The utility model discloses a kind of Intelligent line inspection instruments, it is related to electric power detection instrument technical field, including host and slave, the host includes the first microcontroller and the current measurement module that connect respectively with first microcontroller, the slave includes the second microcontroller and the load and control module that connect respectively with second microcontroller, the load and control module are used to realize the variation of electric current on the indoor firewire and the zero curve by being switched on or switched off with indoor firewire and zero curve circuit, the current measurement module is used to measure the current value when the load and control module and the indoor firewire and the zero curve circuit are connected and when disconnection on the corresponding firewire or the zero curve of open air and sends the current value to the first microcontroller progress difference operation.The utility model Intelligent line inspection instrument, user has easy to operate, intelligence degree high feature without power-off when detection.
Description
Technical field
The utility model belongs to electric power detection instrument technical field, in particular to Intelligent line inspection instrument.
Background technique
It is to disconnect the incoming power of electric energy meter that resident, which concentrates traditional line inspection method of electric energy meter, is then measured with multimeter
Whether the firewire and zero curve of every piece of electric energy meter are the same circuit, and this line inspection method needs to disconnect power supply, can be to just in electricity consumption residence
The people cause the trouble powered off suddenly.
Utility model content
For disadvantages described above, the purpose of the utility model is to provide a kind of Intelligent line inspection instrument, when which detects user without
It needs to power off, easy to operate, intelligence degree is high.
To achieve the above object, the technical solution of the utility model is:
Intelligent line inspection instrument, including host and slave,
The host includes the first microcontroller and the current measurement module connecting respectively with first microcontroller,
One communication module, the first Keysheet module；
The slave include the second microcontroller and the load being connect respectively with second microcontroller and control module,
Second communication module, the second Keysheet module；
The load and control module are used for indoor by being switched on or switched off realization with indoor firewire and zero curve circuit
The variation of electric current on the firewire and the zero curve；
The current measurement module is for measuring as the load and control module and the indoor firewire and described zero
The outdoor corresponding firewire or current value on the zero curve and the current value is transmitted when line loop is connected and when disconnecting
Difference operation is carried out to first microcontroller.
Preferably, the current measurement module includes current measurement circuit and split core type current transformer, the electric current is surveyed
Measuring circuit includes metering chip, and the input terminal of the metering chip is connect with the output end of the split core type current transformer, described
The output end of metering chip is connect with first microcontroller.
Preferably, the split core type current transformer includes firewire split core type current transformer and zero curve pincer Current Mutual Inductance
Device, for being socketed, the firewire, the zero curve split core type current transformer are used for the firewire split core type current transformer outdoors
Socket is outdoors on the zero curve.
Preferably, the load and control module include load circuit and control circuit, the load circuit includes negative
Resistance is carried, several load resistance serial or parallel connections collectively form a load circuit, and the control circuit is relay control
Circuit processed, the relay are arranged in an interface end of the load circuit, the input terminal of the control relay circuit
It is connect with second microcontroller.
Preferably, the load resistance, which is plugged in load board, collectively forms the load circuit.
Preferably, the first communication module is the first power carrier communication module, the second communication module is the
Two power carrier communication modules, first power carrier communication module and the second power carrier communication module are provided commonly for realizing
It is communicated between the host and the slave.
As preferential, the host further includes the printer connecting with first microcontroller, and the printer is used for
Print measurement result.
Preferably, the host further includes the first liquid crystal screen module connecting with first microcontroller and storage mould
Block, the first liquid crystal screen module is shown for host service function menu and the host measurement data shows that the memory module is used for
The storage of the host test data.
Preferably, the slave further includes the second liquid crystal screen module connecting with second microcontroller, described
Two liquid crystal screen modules are for showing the slave working condition.
After above-mentioned technical proposal, the beneficial effects of the utility model are:
Due to the utility model Intelligent line inspection instrument, including host and slave, host include the first microcontroller and respectively with
Current measurement module, the first communication module, the first Keysheet module of first microcontroller connection；Slave includes the second microcontroller
And the load being connect respectively with the second microcontroller and control module, second communication module, the second Keysheet module；Load and control
Module is used to realize the variation of electric current on indoor firewire and zero curve by being switched on or switched off with indoor firewire and zero curve circuit；
Current measurement module is used to measure when load and control module and indoor firewire and the connection of zero curve circuit and the when of disconnection open air
Corresponding firewire or current value on zero curve and send current value to first microcontroller and carry out difference operation.It is main when test
Machine is placed at ammeter box, and the input terminal of current measurement module is connected on the firewire or zero curve of tested user, tester with
After slave is registered one's residence, by the interface of load and control module insertion user's socket, slave presses starting feeler switch, slave after connecting
Host test is notified to start by second communication module, host notifies slave will load and control module by first communication module
It is switched on or switched off with the circuit of firewire and zero curve according to scheduled access module, access module can be set as that 1s is logical, 2s is disconnected, 1s
Logical, current measurement module is measured respectively when load and control module and user's firewire and the connection of zero curve circuit and the when of disconnection firewire
Or the current value on zero curve, difference operation is carried out with firewire when disconnecting or the current value on zero curve when the first microcontroller will turn on
Show that current change quantity, host are judged according to current change quantity and corresponding duration and specified value, it is specified that value is set as about
After 0.5A, i.e. load and control module access indoor firewire and zero curve circuit, the electric current on firewire, zero curve will increase about 0.5A,
Specified value can be set according to the resistance value of load, and respective lines are being just if current change quantity and corresponding duration are consistent with specified value
Really, respective lines are incorrect if current change quantity and corresponding duration and specified value are inconsistent, can in order to improve test accuracy rate
With retest.Host measures indoor firewire, zero curve before notifying slave access load and control module and after the completion of test
Current value, be used for internal Cutoff current variable quantity, avoid thering is appliance starting to cause to determine suddenly in user family in test process
Mistake.
Since split core type current transformer includes firewire split core type current transformer and zero curve split core type current transformer, firewire is pincerlike
Current transformer is for being socketed firewire outdoors, and zero curve split core type current transformer is for being socketed zero curve outdoors, by setting
Current value on firewire and zero curve can be measured simultaneously by setting two split core type current transformers, improve measurement efficiency.
Since load and control module include load circuit and control circuit, load circuit includes load resistance, several negative
It carries resistance serial or parallel connection and collectively forms a load circuit, control circuit is control relay circuit, and relay setting is negative
In an interface end for carrying circuit, the input terminal of control relay circuit is connect with the second microcontroller.By the way that relay is arranged
Control circuit can accurately control the connection or disconnection of control load circuit and user's firewire and zero curve circuit.
Load circuit is collectively formed since load resistance is plugged in load board, is born by the way that grafting is different in load board
Carrying resistance can be convenient the resistance value for changing load circuit.
Since first communication module is the first power carrier communication module, second communication module is the second power line carrier, PLC
Module, the first power carrier communication module and the second power carrier communication module are provided commonly for realizing leads between host and slave
Letter can use existing power line and realized and leads to by the first power carrier communication module and the second power carrier communication module
Letter, saves cost.
Since host further includes the first liquid crystal screen module connecting with the first microcontroller and memory module, the first liquid crystal display
Module is shown for host service function menu and host measurement data is shown, memory module is used for the storage of host test data.Cause
After the completion of this test, test data is stored in the memory module of host after being numbered by the first Keysheet module, can be in the first liquid
Current curve is shown on brilliant panel module, and tester's human assistance is facilitated to determine.
To sum up, the utility model Intelligent line inspection instrument is solved to concentrate in electric energy meter tradition line inspection method in resident at present and be needed
The problem of user powers off.The utility model Intelligent line inspection instrument, user has easy to operate, intelligent journey without power-off when detection
Spend high feature.
Detailed description of the invention
Fig. 1 is the theory structure schematic diagram of the utility model Intelligent line inspection instrument；
Fig. 2 is the structural block diagram of host；
Fig. 3 is the structural block diagram of slave；
Fig. 4 is the circuit diagram of the first microcontroller；
Fig. 5 is the circuit diagram of metering chip；
Fig. 6 is the circuit diagram of firewire split core type current transformer；
Fig. 7 is the circuit diagram of zero curve split core type current transformer；
Fig. 8 is the circuit diagram of the second microcontroller；
Fig. 9 is the circuit diagram of load and control module；
In figure: 1- host, the first microcontroller of 11-, 12- current measurement module, 121- current measurement circuit, 122- pincers
Shape current transformer, 13- memory module, 14- first communication module, the first liquid crystal screen module of 15-, the first Keysheet module of 16-,
The first power module of 17-, 18- printer, 2- slave, the second microcontroller of 21-, 22- load and control module, 221- load
Circuit, 222- control circuit, 23- second communication module, the second liquid crystal screen module of 24-, the second Keysheet module of 25-, 26- second
Power module, 3- ammeter box.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is further described.
As shown in Figure 1, Figure 2 and Fig. 3 is jointly shown, Intelligent line inspection instrument, including host 1 and slave 2, and host 1 includes the first micro-control
Device 11 processed and the current measurement module 12 being connect respectively with the first microcontroller 11, first communication module 14, the first Keysheet module
16 and first power module 17, the first microcontroller 11 is for the data information in calculation process host 1, current measurement module 12
The first microcontroller 11 is sent to for measuring the current value on the firewire or zero curve near outdoor electricity meter box 3, and by current value,
First communication module 14 is used to communicate host 1 with the foundation of slave 2, and the first Keysheet module 16 is for controlling the choosing of host service function menu
It selects and is inputted with data, the first power module 17 is used to be the first microcontroller 11, current measurement module 12, first communication module 14
It powers with the first Keysheet module 16.
As shown in figure 3, slave 1 includes the second microcontroller 21 and the load and control that connect respectively with the second microcontroller 21
Molding block 22, second communication module 23, the second Keysheet module 25 and second power supply module 26, the second microcontroller 21 are used for operation
The data information in slave 1 is handled, second communication module 23 is used to communicate slave 2 with the foundation of host 1, the second Keysheet module 25
It is inputted for data, second power supply module 26 is used for as the second microcontroller 21, load and control module 22, the second communication mould
Block 23 and the power supply of the second Keysheet module 25, load and control module 22 be used for by being connected with indoor firewire and zero curve circuit or
The variation for realizing electric current on indoor firewire and zero curve is disconnected, current measurement module 12 is for measuring when load and control module 22
The current value on corresponding firewire or zero curve when being connected to indoor firewire and zero curve circuit and when disconnection near outdoor electricity meter box 3
And it sends current value to first microcontroller 11 and carries out difference operation.
As Fig. 4 and Fig. 5 jointly shown in, in the present embodiment current measurement module 12 include 121 He of current measurement circuit
External split core type current transformer 122, current measurement circuit 121 include metering chip U10, the input terminal of metering chip U10 with
The output end of split core type current transformer 122 connects, and the output end of metering chip U10 is connect with the first microcontroller 11.Such as Fig. 6 and
Shown in Fig. 7, preferred split core type current transformer 122 includes that firewire split core type current transformer P9 and zero curve are pincerlike in the present embodiment
Current transformer P8, firewire split core type current transformer P9 are used for being socketed firewire outdoors, zero curve split core type current transformer P8
In in socket outdoors zero curve, the electric current on firewire and zero curve can be measured simultaneously by the way that two split core type current transformers are arranged
Value, improves measurement efficiency.Present embodiment is further preferred, and 1 foot of zero curve split core type current transformer P8 is connected separately with electricity
R52 and resistance R54 is hindered, the other end of resistance R52 is connect with capacitor C29, and the other end ground connection of resistance R54, capacitor C29's is another
One end ground connection, the tie point IIN1+ between resistance R52 and capacitor C29 are connect with 5 feet of metering chip U10, zero curve pincer electric current
2 feet of mutual inductor P8 are connect with resistance R57 and resistance R59, and the other end of resistance R59 is connect with C37, the other end of resistance R57
Ground connection, the other end ground connection of capacitor C37,6 feet of the tie point IIN1- and metering chip U10 of resistance R59 and C37 are connect.Firewire
1 foot of split core type current transformer P9 is connected separately with resistance R53 and resistance R55, and the other end and capacitor C30 of resistance R53 connects
It connects, the other end ground connection of resistance R55, the other end ground connection of capacitor C30, the tie point IIN2+ between resistance R53 and capacitor C30
It is connect with 7 feet of metering chip U10,2 feet of firewire split core type current transformer P9 are connect with resistance R58 and resistance R60, resistance
The other end of R60 is connect with C38, the other end of resistance R58 ground connection, the other end ground connection of capacitor C38, resistance R60 and C38 it
Between tie point IIN2- connect with 8 feet of metering chip U10,12 feet and 13 feet of metering chip U10 respectively with the first microcontroller
65 feet of device 11 and the connection of 64 feet.
As Fig. 8 and Fig. 9 jointly shown in, in the present embodiment load and control module 22 include load circuit 221 and control
Circuit 222 processed, load circuit 221 include load resistance, and several load resistance serial or parallel connections collectively form a load circuit
221, control circuit 222 is control relay circuit, and relay RL4 is arranged in an interface end of load circuit 221, relay
The input terminal of device control circuit is connect with the second microcontroller 21.By the way that control relay circuit is arranged, can accurately control
The connection or disconnection of load circuit 221 and user's firewire and zero curve circuit processed.Preferred load resistance is plugged in present embodiment
Load circuit 221 is collectively formed in load board, and change load can be convenient by the different load resistance of the grafting in load board
The resistance value of circuit 221, in the present embodiment further preferably, control relay circuit include triode Q8, triode Q8
Base stage be connected separately with resistance R136 and resistance R94, the other end ground connection of resistance R94, the other end of resistance R136 is input
72 feet of the second microcontroller 21 of end connection, the transmitter ground connection of triode Q8, the collector of triode Q8 is with relay RL4's
1 foot of the connection of 4 feet, relay RL4 accesses 12V voltage, and 1 foot and 4 feet of relay RL4 is parallel with reversed diode D11,
2 feet and 3 feet of relay RL4 are serially connected in an interface end of load circuit 221.Further preferably load is electric in present embodiment
Road 221 includes 6 groups of load resistance groups, and each load resistance group includes two load resistances in parallel, 6 groups of load resistance group strings
Connection is plugged in load board.
First communication module 14 is the first power carrier communication module in the present embodiment, and second communication module 23 is
Second power carrier communication module, the first power carrier communication module and the second power carrier communication module are provided commonly for realizing master
It communicates, can use by the first power carrier communication module and the second power carrier communication module existing between machine 1 and slave 2
Power line realize communication, save cost.
As shown in Fig. 2, host 1 further includes the printer 18 connecting with the first microcontroller 11 in the present embodiment, beat
Print machine 18 prints the summarized results after the completion of test for printing measurement result, printer 18, and operator is facilitated to check.
As shown in Fig. 2, host 1 further includes the first liquid crystal display mould connecting with the first microcontroller 11 in the present embodiment
Block 15 and memory module 13, the first liquid crystal screen module 15 is shown for 1 actions menu of host and 1 measurement data of host is shown, deposits
The storage that module 13 is used for 1 test data of host is stored up, 1 actions menu of host includes that current curve, parameter setting and electric current are corrected,
Parameter setting includes setting password, setting host address, setting slave addresses, time and setting test sending times etc. is arranged,
First liquid crystal screen module 15 and memory module 13 are powered by the first power module 17.Therefore after the completion of testing, test data is logical
It is stored in the memory module 13 of host 1 after crossing the first Keysheet module 16 number, can show electricity on the first liquid crystal screen module 15
Change curve is flowed, tester's human assistance is facilitated to determine.
As shown in figure 3, slave 2 further includes the second liquid crystal display mould connecting with the second microcontroller 21 in the present embodiment
Block 24, for showing 2 working condition of slave, the second liquid crystal screen module 24 is supplied the second liquid crystal screen module 24 by second power supply module 26
Electricity.
The specifically used mode of the utility model Intelligent line inspection instrument is as follows:
As shown in Figure 1, Figure 2 and Fig. 3 is jointly shown, and when test, host 1 is placed at ammeter box 3, by the defeated of current measurement module 12
Enter end to be connected on tested firewire or zero curve, after tester registers one's residence with slave 2, the interface of load and control module 22 is inserted
On access customer socket, slave 2 presses starting feeler switch after connecting, and slave 2 notifies the test of host 1 to open by second communication module 23
Begin, host 1 by first communication module 14 notify slave 2 will load and the circuit of control module 22 and firewire and zero curve according to
Scheduled access module is switched on or switched off, and access module can be set as that 1s is logical, 2s is disconnected, 1s is logical, and current measurement module 12 is distinguished
Current value of the measurement when load and control module 22 and user's firewire and the connection of zero curve circuit and on the when of disconnection firewire or zero curve,
Difference operation, which is carried out, with firewire when disconnecting or the current value on zero curve when first microcontroller 21 will turn on obtains current change quantity,
Host 1 is judged according to current change quantity and corresponding duration and specified value, it is specified that value is set as about 0.5A, i.e. load and control
After molding block 22 accesses indoor firewire and zero curve circuit, the electric current on firewire, zero curve will increase 0.5A, it is specified that value can be according to negative
The resistance value of load is set, and respective lines are correct if current change quantity and corresponding duration are consistent with specified value, if current change quantity
It is incorrect with corresponding duration and the inconsistent then respective lines of specified value.Host 1 is in the notice access of slave 2 load and control module 22
After the completion of preceding and test, the current value of indoor firewire, zero curve is measured, internal Cutoff current variable quantity is used for, avoids testing
There is appliance starting to cause decision error suddenly in user family in journey.
The utility model is not limited to above-mentioned specific embodiment, and those skilled in the art visualize from above-mentioned
Hair, without creative labor, the various transformation made are all fallen within the protection scope of the utility model.
Claims (9)
1. Intelligent line inspection instrument, which is characterized in that including host and slave,
The host includes the first microcontroller and the current measurement module connecting respectively with first microcontroller, first logical
Believe module, the first Keysheet module；
The slave includes the second microcontroller and the load and control module, second that connect respectively with second microcontroller
Communication module, the second Keysheet module；
It is described load and control module be used for by with indoor firewire and zero curve circuit be switched on or switched off realize it is indoor described in
The variation of electric current on firewire and the zero curve；
The current measurement module is for measuring when the load and control module and the indoor firewire and the zero curve are returned
The outdoor corresponding firewire or current value on the zero curve and the current value is sent to institute when road is connected and when disconnecting
It states the first microcontroller and carries out difference operation.
2. Intelligent line inspection instrument according to claim 1, which is characterized in that the current measurement module includes current measurement electricity
Road and split core type current transformer, the current measurement circuit include metering chip, the input terminal of the metering chip and the pincers
The output end of shape current transformer connects, and the output end of the metering chip is connect with first microcontroller.
3. Intelligent line inspection instrument according to claim 2, which is characterized in that the split core type current transformer includes firewire pincer
Current transformer and zero curve split core type current transformer, the firewire split core type current transformer is for being socketed the firewire outdoors
On, the zero curve split core type current transformer is for being socketed the zero curve outdoors.
4. Intelligent line inspection instrument according to any one of claims 1 to 3, which is characterized in that the load and control module include
Load circuit and control circuit, the load circuit include load resistance, several common structures of load resistance serial or parallel connection
At a load circuit；The control circuit is control relay circuit, and the one of the load circuit is arranged in the relay
In a interface end, the input terminal of the control relay circuit is connect with second microcontroller.
5. Intelligent line inspection instrument according to claim 4, which is characterized in that the load resistance is plugged in load board jointly
Constitute the load circuit.
6. Intelligent line inspection instrument according to claim 4, which is characterized in that the first communication module is the first power carrier
Communication module, the second communication module are the second power carrier communication module, first power carrier communication module and the
Two power carrier communication modules are provided commonly for realizing and communicate between the host and the slave.
7. Intelligent line inspection instrument according to claim 4, which is characterized in that the host further includes and first microcontroller
The printer of device connection, the printer is for printing measurement result.
8. Intelligent line inspection instrument according to claim 1, which is characterized in that the host further includes and first microcontroller
The first liquid crystal screen module and memory module of device connection, the first liquid crystal screen module is shown for host service function menu and the host
Measurement data shows that the memory module is used for the storage of the host test data.
9. Intelligent line inspection instrument according to claim 1, which is characterized in that the slave further includes and second microcontroller
Second liquid crystal screen module of device connection, second liquid crystal screen module is for showing the slave working condition.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820753446.5U CN208207121U (en) | 2018-05-21 | 2018-05-21 | Intelligent line inspection instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820753446.5U CN208207121U (en) | 2018-05-21 | 2018-05-21 | Intelligent line inspection instrument |
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| CN208207121U true CN208207121U (en) | 2018-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375712A (en) * | 2018-05-21 | 2018-08-07 | 潍坊五洲浩特电气有限公司 | Intelligent line inspection instrument |
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2018
- 2018-05-21 CN CN201820753446.5U patent/CN208207121U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108375712A (en) * | 2018-05-21 | 2018-08-07 | 潍坊五洲浩特电气有限公司 | Intelligent line inspection instrument |
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