CN209232135U - Ammeter collector and long-distance meter-reading system - Google Patents
Ammeter collector and long-distance meter-reading system Download PDFInfo
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- CN209232135U CN209232135U CN201920102647.3U CN201920102647U CN209232135U CN 209232135 U CN209232135 U CN 209232135U CN 201920102647 U CN201920102647 U CN 201920102647U CN 209232135 U CN209232135 U CN 209232135U
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Abstract
The utility model relates to field of power distribution, specially ammeter collector and long-distance meter-reading system, intelligent electric meter detects the electricity consumption of corresponding region, and the acquisition signal of multiple intelligent electric meters is exported to the ammeter collector of corresponding region, the ammeter collector in each region will acquire signal unification and be sent in primary server through concentrator, facilitate the centralized management of data, and when the output voltage of power supply adaptor is less than preset threshold voltage, the access cut off the power between adapter and collector ontology, it is the power supply of collector ontology by backup power source, guarantee the normal work of collector ontology.
Description
Technical field
The utility model relates to field of power distribution, more particularly, to ammeter collector and long-distance meter-reading system.
Background technique
Electricity is the most common production and living goods and materials, and Modern Family be unable to do without electricity substantially.Using electricity while, usually again from
Do not open metering and charging.Metering method traditional at present is to use the corresponding ammeter of installation at client, then by power supply bureau
It sends special messenger to visit in the scheduled time and carries out the statistics of usage amount.This traditional metering method there are the problem of specifically include that
Labor costs are big, inefficiency, with client need the predetermined time, and meter reading process tends not to once success, in addition, power supply bureau is not
Real-time electricity consumption situation can be grasped in time.
Notification number is that the Chinese utility model of CN201918002U discloses a kind of long-distance meter-reading system, including intelligent electricity
Table, collector, concentrator and administrative center, concentrator include that the second collector of entire building is arranged in and sets up separately each in building
First collector of layer, the first collector are connected by the intelligent electric meter at RS485 bus and place layer, and with the second collector
It is connected, channel is connect the second collector by wireless communication with the concentrator with GPRS function, and concentrator and administrative center are logical
The connection of GPRS communication network is crossed, which carries out complementation between wireless telecommunications and bus communication, realize different communication modes
The distance of bus communication is extended with wireless telecommunications, reaches the remote transmission of low-cost data by conversion.
The need of work of collector is reliably powered, and collector generally passes through power supply adaptor and obtains electric energy from alternating current,
It powers after converted for collector ontology, but after power supply adaptor failure, collector will be unable to work normally.
Utility model content
One purpose of the utility model is to provide a kind of ammeter collector of reliable power supply.
The above-mentioned purpose of the utility model has the technical scheme that
Ammeter collector, the power supply adaptor including collector ontology and for powering for collector ontology further include using
It is provided with and cuts between the backup power source powered for collector ontology, the collector ontology and power supply adaptor and backup power source
Circuit is changed, the switching circuit is used for when the output voltage of power supply adaptor is less than preset threshold voltage, adaptation of cutting off the power
Access between device and collector ontology, and the access being connected between backup power source and collector ontology.
By using above-mentioned technical proposal, when the output voltage of power supply adaptor is normal, power supply adaptor is normally to adopt
The power supply of storage ontology, and when the output voltage of power supply adaptor is less than preset threshold voltage, cut off the power adapter and acquisition
Access between device ontology, and the access being connected between backup power source and collector ontology are collector ontology by backup power source
Power supply guarantees the normal work of collector ontology.
The utility model is further arranged to: the switching circuit include voltage sensor, comparator, first switch part,
Second switch part and the first not circuit, the voltage sensor are used to detect the output end voltage of power supply adaptor, the ratio
The output valve of voltage sensor is compared with preset value compared with device to control the on-off of first switch part, the first switch part
Be connected between power supply adaptor and collector ontology, the second switch part be connected to backup power source and collector ontology it
Between, first not circuit is connected between comparator and the control terminal of second switch part.
By using above-mentioned technical proposal, voltage sensor detects the output voltage of power supply adaptor, in power supply
When the output voltage of adapter is normal, the output valve of power supply adaptor is greater than preset value, the conducting of first switch part, second switch part
Disconnect, and output voltage in power supply adaptor is too small and when the output valve of voltage sensor being made to be less than preset value, comparator
The shutdown of first switch part is controlled, the access between the output end of power supply adaptor and collector ontology, while second switch are disconnected
Part conducting is the power supply of collector ontology by backup power source.
The utility model is further arranged to: the switching circuit further includes warning circuit, and the warning circuit is in power supply
The output voltage of adapter issues warning when being less than preset value.
By using above-mentioned technical proposal, when the output voltage of power supply adaptor is less than preset value, warning circuit issues police
Show, attracts surrounding people's note that excluding abnormal to find failure in time.
The utility model is further arranged to: the warning circuit includes the second not circuit, third switch member and warning
Part, second not circuit are connected between comparator and the control terminal of third switch member, and third switch member is connected to warning
The power circuit of part.
By using above-mentioned technical proposal, comparator effectively carries out the on-off of third switch member by the second not circuit
Control, and then control starting or stoping for warning part.
The utility model is further arranged to: the warning part is LED light and/or buzzer.
By using above-mentioned technical proposal, surrounding people's jin is reminded by luminous or sounding, it is easier to cause to infuse
Meaning.
The utility model is further arranged to: the backup power source is connected with for the solar panel for its charging.
By using above-mentioned technical proposal, it is backup power source charging by solar panel, improves the continuous of backup power source
Boat ability.
The utility model is further arranged to: being connected with and is started switch between the backup power source and second switch part.
It by using above-mentioned technical proposal, recloses and starts switch after installing collector, reduce backup power source electric energy
Consuming.
Another purpose of the utility model is to provide a kind of long-distance meter-reading system.
The above-mentioned purpose of the utility model has the technical scheme that
Long-distance meter-reading system further includes concentrator, primary server and in not same district including several above-mentioned ammeter collectors
Several intelligent electric meters of domain setting, the intelligent electric meter of the same area are connected to an ammeter collector, and several ammeters are adopted
Storage is connected to concentrator, and concentrator signal is connected to primary server.
By using above-mentioned technical proposal, intelligent electric meter detects the electricity consumption of corresponding region, and multiple intelligence
The acquisition signal of ammeter is exported to the ammeter collector of corresponding region, and it is unified through collecting that the ammeter collector in each region will acquire signal
Middle device is sent in primary server, facilitates the centralized management of data, and in ammeter collector power supply adaptor damage when,
Changing by backup power source is the power supply of collector ontology, high reliablity.
The utility model is further arranged to: being connected between the ammeter collector and intelligent electric meter by RS485 wiring.
By using above-mentioned technical proposal, effectively realize that the data between ammeter collector and intelligent electric meter are transmitted.
The utility model is further arranged to: the concentrator is connected to master through GPRS, CDMA, Ethernet or fiber-optic signal
Server.
By using above-mentioned technical proposal, the communication mode between concentrator and primary server is selected according to actual needs,
Applicability is high.
In conclusion the advantageous effects of the utility model are as follows:
1. when the output voltage of power supply adaptor is less than preset threshold voltage, cut off the power adapter and collector ontology
Between access, by backup power source be collector ontology power, guarantee collector ontology normal work；
2. warning circuit issues warning when the output voltage of power supply adaptor is less than preset value, attract the note of surrounding people
Meaning is excluded abnormal with finding failure in time；
3. the ammeter collector in each region will acquire signal and be sent in primary server through concentrator, facilitate the concentration of data
Management.
Detailed description of the invention
Fig. 1 is the circuit diagram of ammeter collector；
Fig. 2 is the functional block diagram of long-distance meter-reading system.
Appended drawing reference: 1, collector ontology；2, power supply adaptor；3, backup power source；4, voltage sensor；5, comparator；
6, first switch part；7, second switch part；8, the first not circuit；9, the second not circuit；10, third switch member；11,LED
Lamp；12, buzzer；13, solar panel；14, it starts switch；15, concentrator；16, primary server；17, intelligent electric meter.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1, be ammeter collector disclosed by the utility model, including collector ontology 1 and for be collector sheet
The power supply adaptor 2 and backup power source 3 that body 1 is powered, power supply adaptor 2 are converted to line voltage suitable for accessing alternating current
For the voltage of collector ontology 1, backup power source 3 be battery, collector ontology 1 and power supply adaptor 2 and backup power source 3 it
Between be provided with for the output voltage in power supply adaptor 2 be less than preset threshold voltage when, cut off the power adapter 2 and collector
Access between ontology 1, and the switching circuit for the access being connected between backup power source 3 and collector ontology 1.
Switching circuit includes voltage sensor 4, comparator 5, first switch part 6, second switch part 7, the first not circuit 8
And warning circuit, voltage sensor 4 are used to detect the voltage value of the output end of power supply adaptor 2, and export same to comparator 5
Phase input terminal, the inverting input terminal of comparator 5 are connect with the mobile terminal of a potentiometer RP1, and the both ends of potentiometer RP1 are grounded respectively
Preset value is provided for comparator 5 through potentiometer with connection power supply VCC, power supply VCC, is less than in the output voltage of power supply adaptor 2
When preset threshold voltage, the output valve of voltage sensor 4 is less than preset value, and comparator 5 exports the switching signal of high level.
First switch part 6 and second switch part 7 are the triode of NPN type, and the output end of comparator 5 is connected to first and opens
The base stage of part 6 is closed, the output end of power supply adaptor 2 is connected to the collector of first switch part 6, the emitter of first switch part 6
It is connected to the power input of collector ontology 1.
The output end of comparator 5 is connected to the base stage of second switch part 7, the hair of second switch part 7 through the first not circuit 8
Emitter-base bandgap grading is connected to the power input of collector ontology 1, and the collector of second switch part 7 is connected to the output end of backup power source 3,
14 are started switch what the output end of backup power source 3 was in series with self-retaining, and backup power source 3 connects the solar energy of its promising charging
Solar panels can be mounted on the outdoor position for having illumination during installation, converted solar energy into electrical energy by solar panel 13, be spare
3 electric energy supplement of power supply.
Warning circuit issues warning when the output voltage of power supply adaptor 2 is less than preset value, and warning circuit includes second
Not circuit 9, third switch member 10 and warning part, third switch member 10 are the triode of NPN type, and warning part includes LED light 11
With buzzer 12, the output end of comparator 5 is connected to the base stage of third switch member 10, third switch member through the second not circuit 9
10 collector connects power supply VCC, and emitter is grounded through LED light 11 and buzzer 12.
The output end of backup power source 3 is connected with transformer, and the output end of transformer is connected with for providing the steady of power supply VCC
Press chip 7805.
The implementation principle of the present embodiment are as follows: voltage sensor 4 detects the output voltage of power supply adaptor 2, in electricity
When the output voltage of source adapter 2 is normal, the output valve of power supply adaptor 2 is greater than preset value, and first switch part 6 is connected, and second
Switch member 7 disconnects, and power supply adaptor 2 is the power supply of collector ontology 1.
And output voltage in power supply adaptor 2 is too small and when the output valve of voltage sensor 4 being made to be less than preset value, than
First switch part 6 is controlled compared with device 5 to turn off, and disconnects the access between the output end and collector ontology 1 of power supply adaptor 2, simultaneously
Second switch part 7 is connected, and is that collector ontology 1 is powered, while third switch member 10 is connected, LED light 11 and bee by backup power source 3
The device 12 that rings works, and attracts surrounding people's note that excluding abnormal to find failure in time.
It is long-distance meter-reading system disclosed by the utility model referring to Fig. 2, including the ammeter acquisition in several above-described embodiments
Device further includes concentrator 15, primary server 16 and several intelligent electric meters 17 in different zones setting, in each construction area
It is inside provided with an ammeter collector and several intelligent electric meters 17, the intelligent electric meter 17 of the same area is connected to through RS485 wiring
One ammeter collector, several ammeter collectors are connected to concentrator 15, and concentrator 15 is through GPRS or CDMA or Ethernet or optical fiber
Signal is connected to primary server 16.
The utility model has the advantages that intelligent electric meter 17 detects the electricity consumption of corresponding region, and multiple intelligent electric meters 17 are adopted
Collection signal is exported to the ammeter collector of corresponding region, and the ammeter collector in each region will acquire signal unification and send out through concentrator 15
It send into primary server 16, facilitates the centralized management of data, and when power supply adaptor 2 in ammeter collector damages, change
It is that collector ontology 1 is powered by backup power source 3, high reliablity.
The embodiment of the above specific embodiment is the preferred embodiment of the utility model, and not limitation is originally practical according to this
Novel protection scope, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by this reality
Within novel protection scope.
Claims (10)
1. ammeter collector, the power supply adaptor (2) including collector ontology (1) and for powering for collector ontology (1),
It is characterized in that: further including for the backup power source (3) for collector ontology (1) power supply, the collector ontology (1) and power supply are suitable
Switching circuit is provided between orchestration (2) and backup power source (3), the switching circuit is used for the output in power supply adaptor (2)
When voltage is less than preset threshold voltage, the access between adapter of cutting off the power (2) and collector ontology (1), and be connected to spare
Access between power supply (3) and collector ontology (1).
2. ammeter collector according to claim 1, it is characterised in that: the switching circuit include voltage sensor (4),
Comparator (5), first switch part (6), second switch part (7) and the first not circuit (8), the voltage sensor (4) are used for
Detect the output end voltage of power supply adaptor (2), the comparator (5) to the output valve of voltage sensor (4) and preset value into
For row relatively to control the on-off of first switch part (6), the first switch part (6) is connected to power supply adaptor (2) and collector
Between ontology (1), the second switch part (7) is connected between backup power source (3) and collector ontology (1), and described first is non-
Gate circuit (8) is connected between comparator (5) and the control terminal of second switch part (7).
3. ammeter collector according to claim 2, it is characterised in that: the switching circuit further includes warning circuit, institute
It states warning circuit and issues warning when the output voltage of power supply adaptor (2) is less than preset value.
4. ammeter collector according to claim 3, it is characterised in that: the warning circuit includes the second not circuit
(9), third switch member (10) and warning part, second not circuit (9) are connected to comparator (5) and third switch member (10)
Control terminal between, third switch member (10) be connected to warning part power circuit.
5. ammeter collector according to claim 4, it is characterised in that: the warning part is LED light (11) and/or buzzing
Device (12).
6. ammeter collector according to claim 2, it is characterised in that: the backup power source (3) is connected with for being it
The solar panel (13) of charging.
7. ammeter collector according to claim 6, it is characterised in that: the backup power source (3) and second switch part (7)
Between be connected with and start switch (14).
8. long-distance meter-reading system, it is characterised in that: including several such as described in any item ammeter collectors of claim 1-7, also
Including concentrator (15), primary server (16) and different zones setting several intelligent electric meters (17), the same area it is described
Intelligent electric meter (17) is connected to an ammeter collector, and several ammeter collectors are connected to concentrator (15), concentrator (15)
Signal is connected to primary server (16).
9. long-distance meter-reading system according to claim 8, it is characterised in that: the ammeter collector and intelligent electric meter (17)
Between connected by RS485 wiring.
10. long-distance meter-reading system according to claim 8, it is characterised in that: the concentrator (15) through GPRS, CDMA,
Ethernet or fiber-optic signal are connected to primary server (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920102647.3U CN209232135U (en) | 2019-01-19 | 2019-01-19 | Ammeter collector and long-distance meter-reading system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920102647.3U CN209232135U (en) | 2019-01-19 | 2019-01-19 | Ammeter collector and long-distance meter-reading system |
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| Publication Number | Publication Date |
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| CN209232135U true CN209232135U (en) | 2019-08-09 |
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| CN201920102647.3U Expired - Fee Related CN209232135U (en) | 2019-01-19 | 2019-01-19 | Ammeter collector and long-distance meter-reading system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111142434A (en) * | 2019-12-24 | 2020-05-12 | 深圳市固特超声技术有限公司 | Ultrasonic transducer control circuit and method and ultrasonic cleaning machine |
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2019
- 2019-01-19 CN CN201920102647.3U patent/CN209232135U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111142434A (en) * | 2019-12-24 | 2020-05-12 | 深圳市固特超声技术有限公司 | Ultrasonic transducer control circuit and method and ultrasonic cleaning machine |
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Granted publication date: 20190809 |
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| CF01 | Termination of patent right due to non-payment of annual fee |