CN206421430U - A kind of device efficiency monitors label - Google Patents
A kind of device efficiency monitors label Download PDFInfo
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- CN206421430U CN206421430U CN201621480536.9U CN201621480536U CN206421430U CN 206421430 U CN206421430 U CN 206421430U CN 201621480536 U CN201621480536 U CN 201621480536U CN 206421430 U CN206421430 U CN 206421430U
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Abstract
Label is monitored the utility model discloses a kind of device efficiency, including housing and control circuit, circuit is controlled to include RFID circuit and current monitoring circuit, RFID circuit includes microprocessor and antenna, current monitoring circuit includes current transformer and electric energy computation chip, the output termination electric energy computation chip of current transformer, the output termination microprocessor of electric energy computation chip.The utility model can be with the powerful device current of real-time automatic collecting, have a safety feature, the current monitoring of most of shop equipment can be met, powerful device is set both to have possessed RFID identification functions, again can be with the running status and service efficiency of real-time monitoring equipment, so as to be that asset management reduces cost to introduce modernization scientific and technological management means in powerful device asset management, realize that automation in real time, visualized management provide support.
Description
[technical field]
The utility model is related to electronic tag, more particularly to a kind of device efficiency monitoring label.
[background technology]
In asset of equipments monitoring field, more and more universal, traditional base is supervised to asset of equipments using electronic tag
It is only capable of counting presence and the quantity of equipment in the equipment management system of electronic tag, it is impossible to running status, equipment profit to equipment
Effectively managed with the finer facility information such as rate and location state.
Patent No. 201410078287X utility model discloses a kind of equipment control electronic tag current monitoring electricity
Road, including current sampling resistor and detection module, current sampling resistor are connected in a wire of device power supply (DPS) line, and electric current is adopted
The two ends of sample resistance connect two inputs of detection module respectively, and the output of detection module terminates the micro- of equipment control electronic tag
Controller.
Detection of traditional electronic tag to device current, detection electric current will be by the sampling resistor of electronic tag, when right
, can be excessive because of the electric current for flowing through sampling resistor when the information such as running status, utilization rate of equipment and installations to powerful device are managed
And cause sampling resistor to generate heat and safety problem, so traditional electronic tag can only be carried out to the running status of low-power equipment
Management, it is impossible to which the facility information such as running status, utilization rate of equipment and installations to powerful device carries out effective management.
[content of the invention]
The technical problems to be solved in the utility model, which is to provide one kind, to be managed to powerful device, security performance
Good device efficiency monitoring label.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is that a kind of device efficiency monitors label,
Including housing and control circuit, control circuit include RFID circuit and current monitoring circuit, RFID circuit include microprocessor and
Antenna, current monitoring circuit includes current transformer and electric energy computation chip, the output termination electric energy metrical core of current transformer
Piece, the output termination microprocessor of electric energy computation chip.
The apparatus described above efficiency monitoring label, the annular yoke of current transformer includes the fixation yoke and U-shaped of U-shaped
Activity yoke, one end of one end of activity yoke and fixed yoke is hinged, and the other end of fixed yoke includes hook, movable magnetic
The other end of yoke includes clasp, the clasp for hooking activity yoke of fixed yoke.
The apparatus described above efficiency monitoring label, control circuit includes decomposing prevention circuit, and decomposing prevention circuit includes breaking-proof switch
And grounding resistance, breaking-proof switch connects with grounding resistance, and the I/O port of microprocessor passes through breaking-proof switch and ground resistance earth；It is anti-
Take pass apart to be arranged in housing, the side of housing includes through hole, and the spring contact of breaking-proof switch reaches the outer of housing through through hole
Face.
The apparatus described above efficiency monitoring label, described microprocessor is SOC.
The utility model can be had a safety feature with real-time automatic collecting powerful device electric current, can be met most of work
The current monitoring of plant, makes powerful device both possess RFID identification functions, again can be with the running status of real-time monitoring equipment
And service efficiency, so as to be asset management reduction to introduce modernization scientific and technological management means in powerful device asset management
Cost, realizes that automation in real time, visualized management provide support.
[brief description of the drawings]
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the front view that the utility model embodiment device efficiency monitors label.
Fig. 2 is A in Fig. 1 to sectional view.
Fig. 3 is stereogram when the utility model embodiment device efficiency monitoring label yoke is opened.
Fig. 4 is stereogram when the utility model embodiment device efficiency monitoring label yoke is fastened.
Fig. 5 is the circuit diagram that the utility model embodiment device efficiency monitoring label controls circuit.
[embodiment]
As shown in Figures 1 to 5, a kind of device efficiency is monitored the structure of the utility model embodiment device efficiency monitoring label
Label, including housing 1 and control circuit.
As shown in figure 5, control circuit includes microprocessor (SOC), antenna, current monitoring circuit and decomposing prevention circuit.
It is integrated microprocessor and the special integrated chip SOC of 2.4G radio-frequency enableds.Described electric energy computation chip IC, is electric energy measurement
Special integrated chip IC.
Antenna connects SOC, and microprocessor directly can be sent RFID information by internal radio-frequency module.
Current monitoring circuit includes current transformer and electric energy computation chip, the output termination electric energy metrical of current transformer
Chip, the output termination SOC of electric energy computation chip.Current transformer completes the front-end sampling to device current, sampling letter
Number data processing is done through dedicated IC chip, the result of data processing is output to SOC by SPI mouthfuls.
As shown in Figures 1 to 4, the annular yoke 2 of current transformer includes the fixation yoke 201 of U-shaped and the movable magnetic of U-shaped
Yoke 202, one end of activity yoke 202 and one end of fixed yoke 201 are hinged by jointed shaft 3, the other end of fixed yoke 201
There is a hook 203, the other end of activity yoke 202 has the device efficiency of a clasp 204. monitoring label in the operating condition,
The hook 203 of fixed yoke 201 hooks the clasp 204 of activity yoke 202.
The top half of device efficiency monitoring label is folding ring, and inside is equipped with current transformer；In housing the latter half
Portion is equipped with wiring board.Current transformer is housed, folding ring is opened, you can equipment supply lines is put into ring inside folding ring；Open
Cyclization is fastened, you can equipment supply lines is buckled in ring.
As shown in figure 5, decomposing prevention circuit includes breaking-proof switch K and grounding resistance R, breaking-proof switch K connects with grounding resistance R,
The I/O port of SOC is grounded by breaking-proof switch K and grounding resistance R.
As shown in Figures 1 to 4, breaking-proof switch 3 is arranged on the inside of housing 1, and the side wall of housing 1 has a through hole 101, prevents
Take apart and close the outside that 3 spring contact 301 passes through through hole 101 to reach housing 1.
When construction package is artificially taken apart, breaking-proof switch 3 is triggered opening, and label is to perceive dismounting, removes information quilt
Record, and identification equipment (card reader) is informed by RFID.
Current signal on current transformer sample devices power line, is coupled to electric energy computation chip IC AFE(analog front end)s, adopts
Sample signal does signal transacting through electric energy computation chip IC, calculates the real current value for flowing through power line, and SOC microprocessors pass through
SPI reads result and recorded.
Spring contact switch one terminates SOC I/O ports, and the other end passes through connecting resistance R to ground, composition tamper loop.Folding ring
Open, spring contact switch triggering is opened, tamper loop disconnects, microcomputer reads I/O port state learns dismounting state, and remember
Record；Folding latch closure is closed, and spring contact switch triggering closure, tamper circuit closed, microcomputer reads I/O port state learns installation
State, and record.
The utility model above example SOC has been internally integrated RF circuits, and RF circuits are responsible for the modulation of signal, coding
And signal transmitting and receiving, its microstrip line connects PCB antenna.
Microprocessor inside SOC is label " brain ", by the working method of timing wake-up, coordinates each several part
Work schedule and data processing.After microprocessor wakes up, control electric energy computation chip to work by SPI, and read electric current survey
Result is measured, spring contact on off state is read with this simultaneously, then adds the tag ID number information for being cured to inside in advance together
It is close individual into fixed packet, using internal RF functional module, data are sent；Last microprocessor control whole system
Circuit enters resting state, and waits triggering next time to wake up, such iterative cycles work.
The timing wake-up function of microprocessor, is responsible for by internal RTC circuit.RTC circuit will be worked always, and timing is produced
Interrupt signal, interrupt signal will trigger microprocessor and be waken up from park mode.
The utility model above example is solution high current high-acruracy survey.The electric current of appropriate oversampling ratio must be selected
Transformer, so that the electric current that can bear 200 amperes senses；Meanwhile, microprocessor is calibrated and compensated for algorithm；Backoff algorithm
Measurement result to electric energy computation chip IC is compensated, and obtains final high precision electro flow valuve.
The utility model above example, can support powerful device electricity with real-time automatic collecting powerful device electric current
Up to 200 amperes of stream, can meet the current monitoring of most of shop equipment such as press bed, powerful device was both possessed
RFID identification functions, again can be with the running status and service efficiency of real-time monitoring equipment, so as to be powerful device asset management
On introduce modernization scientific and technological management means, be that asset management reduces cost, realize that automation in real time, visualized management are provided and set
It is standby to support.
Claims (4)
1. a kind of device efficiency monitors label, including housing and control circuit, control circuit includes RFID circuit and current monitoring
Circuit, RFID circuit includes microprocessor and antenna, it is characterised in that current monitoring circuit includes current transformer and electric energy meter
Measure chip, the output termination electric energy computation chip of current transformer, the output termination microprocessor of electric energy computation chip.
2. device efficiency according to claim 1 monitors label, it is characterised in that the annular yoke of current transformer includes
One end of the fixation yoke of U-shaped and the activity yoke of U-shaped, one end of activity yoke and fixed yoke is hinged, and fixes the another of yoke
One end includes hook, and the other end of activity yoke includes clasp, the clasp for hooking activity yoke of fixed yoke.
3. device efficiency according to claim 1 monitors label, it is characterised in that control circuit includes decomposing prevention circuit, prevents
Tearing circuit open includes breaking-proof switch and grounding resistance, and breaking-proof switch is connected with grounding resistance, and the I/O port of microprocessor passes through unpacking-preventing
Close and ground resistance earth；Breaking-proof switch is arranged in housing, and the side of housing includes through hole, and the spring contact of breaking-proof switch is worn
Cross the outside that through hole reaches housing.
4. device efficiency according to claim 1 monitors label, it is characterised in that described microprocessor is SOC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621480536.9U CN206421430U (en) | 2016-12-30 | 2016-12-30 | A kind of device efficiency monitors label |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621480536.9U CN206421430U (en) | 2016-12-30 | 2016-12-30 | A kind of device efficiency monitors label |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206421430U true CN206421430U (en) | 2017-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621480536.9U Active CN206421430U (en) | 2016-12-30 | 2016-12-30 | A kind of device efficiency monitors label |
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| Country | Link |
|---|---|
| CN (1) | CN206421430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108256614A (en) * | 2018-03-29 | 2018-07-06 | 北京聚利科技股份有限公司 | The anti-disassembling device and electronic tag of electronic tag |
-
2016
- 2016-12-30 CN CN201621480536.9U patent/CN206421430U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108256614A (en) * | 2018-03-29 | 2018-07-06 | 北京聚利科技股份有限公司 | The anti-disassembling device and electronic tag of electronic tag |
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