CN206992791U - A kind of passive electrical verification high-voltage electriferous display locking device - Google Patents
A kind of passive electrical verification high-voltage electriferous display locking device Download PDFInfo
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- CN206992791U CN206992791U CN201720312137.XU CN201720312137U CN206992791U CN 206992791 U CN206992791 U CN 206992791U CN 201720312137 U CN201720312137 U CN 201720312137U CN 206992791 U CN206992791 U CN 206992791U
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- electrical verification
- circuit
- locking device
- electronic circuit
- voltage
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Abstract
The utility model discloses a kind of passive electrical verification high-voltage electriferous display locking device, including shell, indicator lamp, nuclear phase hole and electronic circuit, and indicator lamp and the nuclear phase hole is arranged on shell, and the electronic circuit is located in shell inner cavity, it is characterised in that：The blocking device also includes sensor wire terminal, key electrical verification interface and forced blocking terminal, and the sensor wire terminal and forced blocking terminal are electrically connected with the electronic circuit respectively.The utility model need not install conductive electrode, solve the problems such as conductive electrode production and processing inconvenience and installation difficulty.
Description
Technical field
The utility model belongs to power system detection instruction and mis-locking prevention equipment technical field, more particularly to a kind of nothing
Source electrical verification high-voltage electriferous display locking device.
Background technology
The powered explicit blocking device of passive high voltage of the existing anti-error interface of band, have for identification in its electrical verification interface
Coded slice, there is electrically conductive electrode electrical verification interface both sides, and conductive electrode is connected with electronic circuit, be serially connected between two conductive electrodes by
The electronic switching circuit of transistor composition, when circuit is powered, electronic switch disconnects, and is not turned between two conductive electrodes, electrical verification is not
Pass through；When circuit is without electricity, electronic switch turns on, and is turned between two conductive electrodes, electrical verification passes through.
Problems be present in the program：
Problem 1：When circuit is powered, artificial short circuit conductive electrode, there can be potential safety hazard by electrical verification.
Problem 2：The transistor concatenated between conductive electrode is easily damaged, and causes anti-error electrical verification result mistake.
Problem 3：Conductive electrode volume is big, production and processing is inconvenient, installation is time-consuming, influences production efficiency.
Utility model content
The utility model is intended on the basis of passive high voltage electrified display interlock apparatus, there is provided a kind of passive non-contact electricity testing
Mode, anti-error electrical verification key are judged the electriferous state of installation circuit by the code value actually read, efficiently solved due to crystalline substance
Body pipe damages and artificial short circuit electrode causes the possibility that anti-error electroscope function fails
The technical solution adopted in the utility model is as follows：A kind of passive electrical verification high-voltage electriferous display locking device, including it is outer
Shell, indicator lamp, nuclear phase hole and electronic circuit, indicator lamp and the nuclear phase hole are arranged on shell, and the electronic circuit is positioned at outer
In shell inner chamber, the blocking device also includes sensor wire terminal, key electrical verification interface and forced blocking terminal, the sensing
Device binding post and forced blocking terminal are electrically connected with the electronic circuit respectively；
The electronic circuit include be connected with indicator lamp, for control LED status indicating lamp control circuit,
Be connected with indicating lamp control circuit, for the electriferous state Acquisition Circuit to electronic circuit electrical verification,
It is connected with electriferous state Acquisition Circuit, the MCU monolithics of state control identification and controlling transmission is carried out to sample information
Machine, it is connected with electriferous state Acquisition Circuit, state control identification information is carried out and forces the forced blocking of solution/lock-in control to control
Circuit；
It is connected with MCU single-chip microcomputers, the data transmit-receive circuit that each signal message is transmitted/received.
The utility model need not install conductive electrode, solve conductive electrode production and processing inconvenience and installation difficulty etc. and ask
Topic.
Further, the electronic circuit also includes being connected with data transmit-receive circuit, the sensing for transmission of wireless signals
Coil；Be parallel with resonant capacitance in the circuit that the induction coil is connected with data transmit-receive circuit, so as to induction coil group
Into resonance circuit.
Further, bridge rectifier module is parallel with the both ends of the induction coil, bridge rectifier module output end is simultaneously
Voltage-stabiliser tube and energy storage/filter capacitor are associated with, energy storage/filter capacitor can run for MCU single-chip microcomputers and provide energy supply.
Further, the sensor wire terminal electrically connects with forced blocking control circuit, the forced blocking control
Circuit electrically connects with forced blocking terminal.
Further, the sensor wire terminal electrically connects with electriferous state Acquisition Circuit, and it includes sensors A, passed
Sensor B and sensor C.
Further, the blocking device also includes the electrical verification key being adapted with key electrical verification interface, the electrical verification key
Spoon utensil has sound prompt function.
Brief description of the drawings
The utility model will illustrate by example and with reference to the appended drawing, wherein：
Fig. 1 is the positive structure schematic of the utility model blocking device；
Fig. 2 is the functional block diagram of blocking device；
Fig. 3 is the local function module frame chart of blocking device；
Fig. 4 is another local function module frame chart of blocking device；
Fig. 5 is data transmit-receive schematic diagram；
Fig. 6 is electriferous state acquisition principle figure.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
As shown in Figure 1 and Figure 2, a kind of passive electrical verification high-voltage electriferous display locking device, including shell 1, indicator lamp 2, nuclear phase
Hole 3 and electronic circuit, the indicator lamp 2 and nuclear phase hole 3 are arranged on shell 1, and the electronic circuit is located in the inner chamber of shell 1,
The blocking device also includes sensor wire terminal, key electrical verification interface 4 and forced blocking terminal, the sensor terminals
Son and forced blocking terminal are electrically connected with the electronic circuit respectively；
The electronic circuit include be connected with indicator lamp, for control LED status indicating lamp control circuit,
Be connected with indicating lamp control circuit, for the electriferous state Acquisition Circuit to electronic circuit electrical verification,
It is connected with electriferous state Acquisition Circuit, the MCU monolithics of state control identification and controlling transmission is carried out to sample information
Machine, it is connected with electriferous state Acquisition Circuit, state control identification information is carried out and forces the forced blocking of solution/lock-in control to control
Circuit；
It is connected with MCU single-chip microcomputers, the data transmit-receive circuit that each signal message is transmitted/received.
With reference to shown in Fig. 2, Fig. 3, the sensor wire terminal is electrically connected with forced blocking control circuit, and the pressure is closed
Lock control circuit electrically connects with forced blocking terminal.The sensor terminal includes sensors A, sensor B and sensor C.
When device installs circuit without electricity, A phase, B phase, C phase sensor wire terminal no signal in left-hand broken line frame in Fig. 3
Input, each corresponding light emitting diode do not flash；Forced blocking control circuit forced blocking output is released state；Electriferous state
Acquisition Circuit collection circuit electriferous state is without electricity.
When device installs circuit powered (phase or multiphase), A phases or B phases or C phases in left-hand broken line frame in Fig. 3
Binding post has signal input, corresponding phase LED flash；Forced blocking control circuit forced blocking output is latch like
State；Electriferous state Acquisition Circuit collection circuit electriferous state is powered.
With reference to shown in Fig. 2, Fig. 4, the electronic circuit also includes being connected with data transmit-receive circuit, for transmission of wireless signals
Induction coil；Be parallel with resonant capacitance in the circuit that the induction coil is connected with data transmit-receive circuit, so as to sensing
Coil forms resonance circuit.
The key electrical verification interface 4 is connected with resonance circuit wireless telecommunications.
Bridge rectifier module is parallel with the both ends of the induction coil, bridge rectifier module output end is parallel with voltage-stabiliser tube
With energy storage/filter capacitor, energy storage/filter capacitor can run for MCU single-chip microcomputers and provide energy supply.
As shown in figure 1, the electrical verification key that the blocking device also includes being adapted with key electrical verification interface 4 (does not show in figure
Show), the electrical verification key has the function of voice message.
As shown in Fig. 2, Fig. 4, Fig. 5, when electrical verification key is close to electrical verification interface, induction coil L111 senses electrical verification key
The 125kHz wireless signals of head transmitting, induction coil L111 and resonant capacitance C111 composition LC resonance circuits, sensing receive
The rectifier bridge that is formed through D111~D114 (diode) of signal after, (electric capacity C113 is used to filter energy storage) is through voltage-stabiliser tube ZD001
Powered afterwards to MCU subsequent conditioning circuits.Resonant capacitance C111 right-hand members connection C112 is followed by MCU interruption pin, after VCC voltage stabilizations, MCU
After normal startup optimization, the INT signal of interrupt pin, after interrupt signal is detected, log-on data sending function are detected；Data
It is coupled to the sensed coil L111 of pin on the left of resonant capacitance C111 through metal-oxide-semiconductor Q003 and is sent to electrical verification key.
As shown in Fig. 2, Fig. 3, Fig. 6, when circuit is not charged, no ESN signals, metal-oxide-semiconductor Q211 ends, and triode Q004 is led
Logical, YD signals are low level, and MCU is XX XX XX XX X0 (compulsive unlocking state) when sending data；
When circuit is powered, there are ESN signals, metal-oxide-semiconductor Q211 conductings, triode Q004 cut-offs, YD signals are high level,
MCU is XX XX XX XX X1 (forced blocking state) when sending data.
Example is only fully open and unrestricted the utility model, it is all based on creation purport of the present utility model, without creating
Property work equivalence techniques feature replacement, should be considered as the application exposure scope.
Claims (6)
1. a kind of passive electrical verification high-voltage electriferous display locking device, including shell, indicator lamp, nuclear phase hole and electronic circuit, described
Indicator lamp and nuclear phase hole are arranged on shell, and the electronic circuit is located in shell inner cavity, it is characterised in that：The blocking device
Also include sensor wire terminal, key electrical verification interface and forced blocking terminal, the sensor wire terminal and forced blocking
Terminal is electrically connected with the electronic circuit respectively；
The electronic circuit includes being connected with indicator lamp, for controlling the indicating lamp control circuit and indicator lamp of LED status
Control circuit is connected, for the electriferous state Acquisition Circuit to electronic circuit electrical verification,
Be connected with electriferous state Acquisition Circuit, to sample information carry out state control identification and controlling transmission MCU single-chip microcomputers, with
Electriferous state Acquisition Circuit is connected, and carries out state control identification information the forced blocking control circuit for forcing solution/lock-in control；
It is connected with MCU single-chip microcomputers, the data transmit-receive circuit that each signal message is transmitted/received.
2. passive electrical verification high-voltage electriferous display locking device as claimed in claim 1, it is characterised in that：The electronic circuit is also
Including being connected with data transmit-receive circuit, the induction coil for transmission of wireless signals；In the induction coil and data transmit-receive electricity
Resonant capacitance is parallel with the connected circuit in road, so as to form resonance circuit with induction coil；The key electrical verification interface 4 with it is humorous
Circuit wireless telecommunications of shaking connect.
3. passive electrical verification high-voltage electriferous display locking device as claimed in claim 2, it is characterised in that：In the induction coil
Both ends be parallel with bridge rectifier module, bridge rectifier module output end is parallel with voltage-stabiliser tube and energy storage/filter capacitor, energy storage/
Filter capacitor can run for MCU single-chip microcomputers and provide energy supply.
4. the passive electrical verification high-voltage electriferous display locking device as described in claim 1-3 any one, it is characterised in that：It is described
Sensor wire terminal electrically connects with forced blocking control circuit, and the forced blocking control circuit is electrically connected with forced blocking terminal
Connect.
5. passive electrical verification high-voltage electriferous display locking device as claimed in claim 4, it is characterised in that：The sensor wire
Terminal electrically connects with electriferous state Acquisition Circuit, and it includes sensors A, sensor B and sensor C.
6. passive electrical verification high-voltage electriferous display locking device as claimed in claim 4, it is characterised in that：The blocking device is also
Including the electrical verification key being adapted with key electrical verification interface, the electrical verification key has sound prompt function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720312137.XU CN206992791U (en) | 2017-03-28 | 2017-03-28 | A kind of passive electrical verification high-voltage electriferous display locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720312137.XU CN206992791U (en) | 2017-03-28 | 2017-03-28 | A kind of passive electrical verification high-voltage electriferous display locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206992791U true CN206992791U (en) | 2018-02-09 |
Family
ID=61422364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720312137.XU Active CN206992791U (en) | 2017-03-28 | 2017-03-28 | A kind of passive electrical verification high-voltage electriferous display locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206992791U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761177A (en) * | 2018-08-16 | 2018-11-06 | 广东电网有限责任公司 | High voltage display device |
| CN112234459A (en) * | 2020-11-11 | 2021-01-15 | 国网山东省电力公司青岛供电公司 | External electrified blocking device of box electrical equipment and box electrical equipment |
-
2017
- 2017-03-28 CN CN201720312137.XU patent/CN206992791U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761177A (en) * | 2018-08-16 | 2018-11-06 | 广东电网有限责任公司 | High voltage display device |
| CN112234459A (en) * | 2020-11-11 | 2021-01-15 | 国网山东省电力公司青岛供电公司 | External electrified blocking device of box electrical equipment and box electrical equipment |
| CN112234459B (en) * | 2020-11-11 | 2023-02-28 | 国网山东省电力公司青岛供电公司 | External electrified locking device of box electrical equipment and box electrical equipment |
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