CN109188051A - A kind of novel voltage detection device - Google Patents
A kind of novel voltage detection device Download PDFInfo
- Publication number
- CN109188051A CN109188051A CN201811084300.7A CN201811084300A CN109188051A CN 109188051 A CN109188051 A CN 109188051A CN 201811084300 A CN201811084300 A CN 201811084300A CN 109188051 A CN109188051 A CN 109188051A
- Authority
- CN
- China
- Prior art keywords
- card slot
- display screen
- memory
- connection
- detection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/36—Overload-protection arrangements or circuits for electric measuring instruments
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The present invention relates to a kind of novel voltage detection devices; including shell; case top is equipped with card slot; card slot matches with carry hand; carry hand both ends protrusion is stuck in the fixation hole of card slot, and card slot connects display screen, and display screen is equipped with tempered glass; enclosure interior is equipped with detection circuit and overvoltage crowbar, and detection circuit passes through tubing coupling.The present invention is shown by display screen, intuitive is strong, the carry hand being equipped with can overturn 90 °, easy to carry and collection, working efficiency and accuracy are improved by single-chip microcontroller, the normal table of overvoltage crowbar and electric current and voltage in discharge circuit effective protection circuit, improve security performance, signal resists dry suppressor effectively to shield external signal, expand internal signal by amplifier, ensure the correctness of information transmission, detection circuit can not only effectively detect the concrete signal of electric current and voltage, ensure the stabilization of structure by connecting ground wire, also effectively reinforce safety, tempered glass effectively protecting display screen, prolong the service life.
Description
Technical field
Present invention relates particularly to a kind of novel voltage detection devices.
Background technique
Construction of cable run, production need repeatedly to carry out supply voltage detection in maintenance process, due to existing voltage check device
Using rear detection device, there are certain inexactnesies for a long time, while intuitive is not strong, due to the state in high pressure high current
Under, the transformation of electricity can occur for detection device, the safety of survey crew be influenced, so needing a kind of novel detection device.
Summary of the invention
It is an object of the invention to a kind of novel voltage detection devices, to solve existing technical problem.
To achieve the above object, the invention provides the following technical scheme: a kind of novel voltage detection device, including shell,
Case top is equipped with card slot, and card slot matches with carry hand, and carry hand both ends protrusion is stuck in the fixation hole of card slot, card slot connection display
Screen, display screen are equipped with tempered glass, and enclosure interior is equipped with detection circuit and overvoltage crowbar, detection circuit and overvoltage protection
Circuit realizes and connects, and detection circuit includes discharge circuit, and discharge circuit connects Watchdog, Watchdog connection single-chip microcontroller,
Single-chip microcontroller connects voltage comparator and coulometric detector, and voltage comparator connects amplifier, and lotus root is closed in amplifier connection, closes lotus root connection
Signal suppressor closes the lotus root other end and connects resistance, resistance series connection first capacitor, and first capacitor connects first memory, electricity
Detector and adjustable resistor of connecting, adjustable resistor connect diode, and diode connects second memory, close lotus root and diode
Display screen is connected, detection circuit passes through tubing coupling.
A further improvement of the present invention is that: first memory connects total memory with second memory.
A further improvement of the present invention is that: carry hand can 90 ° of overturnings.
A further improvement of the present invention is that: overvoltage crowbar one end connection switch element, the other end connect ground wire.
A further improvement of the present invention is that: it closes lotus root and uses model HCPL-M456.
Compared with prior art, the beneficial effects of the present invention are:
The present invention shows that intuitive is strong by display screen, and the carry hand being equipped with can overturn 90 °, and easy to carry and collection passes through list
Piece machine improves working efficiency and accuracy, and overvoltage crowbar and electric current in discharge circuit effective protection circuit and voltage are just
Often to stablize, improves security performance, signal resists dry suppressor effectively to shield external signal, internal signal is expanded by amplifier,
Ensure that the correctness of information transmission, detection circuit can not only effectively detect the concrete signal of electric current and voltage, passes through connection ground
Line ensures the stabilization of structure, also effectively reinforces the safety of testing staff, and tempered glass effectively protecting display screen extends and uses the longevity
Life.
Detailed description of the invention:
Fig. 1: top view of the present invention；
Fig. 2: inventive shell schematic diagram of internal structure；
Fig. 3: detection circuit circuit diagram of the present invention；
Figure label: 1- shell, 2- card slot, 3- carry hand, 4- protrusion, 5- fixation hole, 6- display screen, 7- tempered glass, 8- detection
Circuit, 9- overvoltage crowbar, 81- discharge circuit, 82-Watchdog, 83- single-chip microcontroller, 84- voltage comparator, the inspection of 85- electricity
Device, 86- amplifier are surveyed, 87- closes lotus root, 88- signal suppressor, 89- resistance, 90- first capacitor, 91- first memory, 92-
Adjustable resistor, 93- diode, 94- second memory, 95- total memory, 10- pipe fitting, 11- connector.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution:
A kind of novel voltage detection device, including shell 1 are equipped with card slot 2 at the top of shell 1, and card slot 2 matches with carry hand 3, carry hand
3 can 90 ° of overturnings, 3 both ends protrusion 4 of carry hand is stuck in the fixation hole 5 of card slot 2, and card slot 2 connects display screen 6, and display screen 6 is equipped with
Tempered glass 7 is equipped with detection circuit 8 and overvoltage crowbar 9,9 one end connection switch member of overvoltage crowbar inside shell 1
Part, the other end connect ground wire, and detection circuit 8 is realized and connected with overvoltage crowbar 9, and detection circuit 8 includes discharge circuit 81,
Discharge circuit 81 connects Watchdog82, Watchdog82 connection single-chip microcontroller 83, and single-chip microcontroller 83 connects voltage comparator 84 and electricity
Amount detector 85, voltage comparator 84 connect amplifier 86, and lotus root 87 is closed in the connection of amplifier 86, close lotus root 87 and use model HCPL-
M456, pass 87 connection signal suppressor 88 of lotus root, pass 87 other end of lotus root connection resistance 89, the series connection first capacitor 90 of resistance 89, the
One capacitor 90 connects first memory 91, coulometric detector 85 and adjustable resistor 92 of connecting, and adjustable resistor 92 connects two poles
Pipe 93, diode 93 connect second memory 94, close lotus root 87 and diode 93 connects display screen 6, first memory 91 and second
Memory 92 connects total memory 95, and detection circuit 8 passes through 10 jointing 11 of pipe fitting.
Application method: 1, by the positive and negative anodes of connector alignment determinand, anode is connect with anode, and cathode is connect with cathode；
2, under the control of single-chip microcontroller, overvoltage crowbar first carries out the circulation of electric current, it is ensured that Current Voltage it is normal under, electric current
It flows into detection circuit, while being protected using discharge circuit, in the effect of voltage comparator after current flowing Watchdog
It is lower carry out voltage comparison, and will compare structure by amplifier amplify after, by close lotus root connection display screen shown, believing
Under the action of number suppressor, guarantee the normal use of signal, and the storage of its comparison structure is protected in the first memory
It deposits, but when overtension, ground wire is connected by discharge circuit and put a little, is adjusted under the control of single-chip microcontroller, over-voltage is protected
When protection circuit detection voltage and current is excessively high, switch element is automatically cut off；
3, current detector carries out the detection of electric current simultaneously, connects display screen by diode and carries out showing electricity size, and
It will test structure to be saved by second memory, when electric current is excessive, increase resistance carried out by adjustable resistor；
4, under the control of single-chip microcontroller, the signal of first memory and second memory is all stored into total reservoir and is protected
It deposits.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of novel voltage detection device, including shell (1), it is characterised in that: card slot (2) are equipped at the top of the shell (1),
The card slot (2) matches with carry hand (3), and carry hand (3) both ends raised (4) are stuck in the fixation hole (5) of card slot (2), institute
Card slot (2) connection display screen (6) is stated, the display screen (6) is equipped with tempered glass (7), and detection is equipped with inside the shell (1)
Circuit (8) and overvoltage crowbar (9), the detection circuit (8) and overvoltage crowbar (9) realize and connect, the detection
Circuit (8) includes discharge circuit (81), and the discharge circuit (81) connects Watchdog(82), the Watchdog(82) connection
Single-chip microcontroller (83), single-chip microcontroller (83) connection voltage comparator (84) and coulometric detector (85), the voltage comparator
(84) amplifier (86) are connected, lotus root (87) are closed in amplifier (86) connection, pass lotus root (87) the connection signal suppressor
(88), pass lotus root (87) other end connection resistance (89), the resistance (89) are connected first capacitor (90), the first capacitor
(90) first memory (91) are connected, the coulometric detector (85) and adjustable resistor of connecting (92), the adjustable resistor
(92) diode (93) are connected, the diode (93) connects second memory (94), the pass lotus root (87) and diode (93)
It connects display screen (6), the detection circuit (8) passes through pipe fitting (10) jointing (11).
2. a kind of novel voltage detection device according to claim 1, it is characterised in that: the first memory (91) and
Second memory (92) connects total memory (95).
3. a kind of novel voltage detection device according to claim 1, it is characterised in that: the carry hand (3) can 90 ° turn over
Turn.
4. a kind of novel voltage detection device according to claim 1, it is characterised in that: the overvoltage crowbar (9)
One end connection switch element, the other end connect ground wire.
5. a kind of novel voltage detection device according to claim 1, it is characterised in that: the pass lotus root (87) uses model
For HCPL-M456.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811084300.7A CN109188051A (en) | 2018-09-18 | 2018-09-18 | A kind of novel voltage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811084300.7A CN109188051A (en) | 2018-09-18 | 2018-09-18 | A kind of novel voltage detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109188051A true CN109188051A (en) | 2019-01-11 |
Family
ID=64911977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811084300.7A Withdrawn CN109188051A (en) | 2018-09-18 | 2018-09-18 | A kind of novel voltage detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109188051A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067876A (en) * | 2020-07-23 | 2020-12-11 | 广西电网有限责任公司电力科学研究院 | Automatic reset residual voltage pulse hardware detection circuit |
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|---|---|---|---|---|
| CN201877890U (en) * | 2010-11-29 | 2011-06-22 | 上海星矢数码科技有限公司 | Current-voltage monitoring device |
| CN201945622U (en) * | 2010-12-15 | 2011-08-24 | 威尔凯电气(上海)有限公司 | Current detection circuit |
| CN103368130A (en) * | 2012-03-29 | 2013-10-23 | 苏州工业园区新宏博通讯科技有限公司 | Base station overvoltage and undervoltage protection device |
| CN204269131U (en) * | 2014-12-17 | 2015-04-15 | 绍兴四环怡东仪表有限公司 | A kind of digital display type electric vehicle instrument assembly |
| CN104950163A (en) * | 2015-05-29 | 2015-09-30 | 珠海英搏尔电气有限公司 | System and method for detecting output voltage feedback abnormality of storage battery charging device |
| CN105990819A (en) * | 2015-01-29 | 2016-10-05 | 宝山钢铁股份有限公司 | DC voltage detection and protection circuit of low-voltage frequency converter |
| CN205910248U (en) * | 2016-08-25 | 2017-01-25 | 浙江凯恩电池有限公司 | Voltage detecting selects separately appearance |
| CN205941792U (en) * | 2016-08-02 | 2017-02-08 | 重庆达标电子科技有限公司 | A automatic detector for diode punctures critical voltage and detects |
| CN107677936A (en) * | 2016-08-02 | 2018-02-09 | 重庆达标电子科技有限公司 | A kind of automatic detector for the detection of diode breakdown critical voltage |
| CN207799008U (en) * | 2018-01-31 | 2018-08-31 | 广西善能电力检修有限公司 | A kind of voltage resistant instrument |
-
2018
- 2018-09-18 CN CN201811084300.7A patent/CN109188051A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201877890U (en) * | 2010-11-29 | 2011-06-22 | 上海星矢数码科技有限公司 | Current-voltage monitoring device |
| CN201945622U (en) * | 2010-12-15 | 2011-08-24 | 威尔凯电气(上海)有限公司 | Current detection circuit |
| CN103368130A (en) * | 2012-03-29 | 2013-10-23 | 苏州工业园区新宏博通讯科技有限公司 | Base station overvoltage and undervoltage protection device |
| CN204269131U (en) * | 2014-12-17 | 2015-04-15 | 绍兴四环怡东仪表有限公司 | A kind of digital display type electric vehicle instrument assembly |
| CN105990819A (en) * | 2015-01-29 | 2016-10-05 | 宝山钢铁股份有限公司 | DC voltage detection and protection circuit of low-voltage frequency converter |
| CN104950163A (en) * | 2015-05-29 | 2015-09-30 | 珠海英搏尔电气有限公司 | System and method for detecting output voltage feedback abnormality of storage battery charging device |
| CN205941792U (en) * | 2016-08-02 | 2017-02-08 | 重庆达标电子科技有限公司 | A automatic detector for diode punctures critical voltage and detects |
| CN107677936A (en) * | 2016-08-02 | 2018-02-09 | 重庆达标电子科技有限公司 | A kind of automatic detector for the detection of diode breakdown critical voltage |
| CN205910248U (en) * | 2016-08-25 | 2017-01-25 | 浙江凯恩电池有限公司 | Voltage detecting selects separately appearance |
| CN207799008U (en) * | 2018-01-31 | 2018-08-31 | 广西善能电力检修有限公司 | A kind of voltage resistant instrument |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067876A (en) * | 2020-07-23 | 2020-12-11 | 广西电网有限责任公司电力科学研究院 | Automatic reset residual voltage pulse hardware detection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190111 |
|
| WW01 | Invention patent application withdrawn after publication |