CN201838976U - Electric leakage monitor with screen display function for electrical equipment - Google Patents
Electric leakage monitor with screen display function for electrical equipment Download PDFInfo
- Publication number
- CN201838976U CN201838976U CN2010205714448U CN201020571444U CN201838976U CN 201838976 U CN201838976 U CN 201838976U CN 2010205714448 U CN2010205714448 U CN 2010205714448U CN 201020571444 U CN201020571444 U CN 201020571444U CN 201838976 U CN201838976 U CN 201838976U
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- 239000000523 sample Substances 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 6
- 230000006870 function Effects 0.000 abstract description 12
- 230000003321 amplification Effects 0.000 abstract description 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Abstract
The utility model discloses an electric leakage monitor with a screen display function for electrical equipment. The electric leakage monitor comprises a one-way eight-channel switch chip, an operational amplification chip, a two-way four-channel switch chip, a main control chip, a latch driving chip, a relay, a voice alarm chip and a display screen, wherein the input end of the one-way eight-channel switch chip is connected with a terminal probe for detecting current or a temperature signal; the one-way eight-channel switch chip, the operational amplification chip, the two-way four-channel switch chip and the main control chip are connected in turn; the latch driving chip, the voice alarm chip and the display screen are connected to the main control chip; and the relay is connected with the latch driving chip. The utility model aims to provide the electric leakage monitor which has multiple functions, can display the status of monitored equipment and protects safety for the electrical equipment.
Description
Technical field
The utility model relates to a kind of electric equipment leakage current detect device with screen display function, is used on the electric equipment leakage current detect device.
Background technology
In the operation transmission line, the terminal power utilization network spreads all over huge numbers of families.Owing to also lack the protector advanced, highly reliable, perfect in shape and function of being correlated with in terminal use's transmission line, the accident of transmission line overload and short circuit initiation fire, electric leakage even people's injures and deaths, and overvoltage, under-voltage, induction lightening seal in and damage taking place often with electrification of power consumption equipment.These potentialities, sudden hard to guard against hidden danger, oneself becomes a harm greatly of human security electricity consumption.Protector that input protection is at present used such as fuse, leakage switch, disconnect, though played certain effect, but function is limited, can not demonstrate the situation of monitored equipment in real time, and protection is not comprehensive, less reliable, the utility model has carried out useful improvement in order to overcome above shortcoming.
The utility model content
The utility model has overcome the deficiency of above-mentioned technology, provides a kind of and has had multi-functionally, can show the situation of monitored equipment, the electric equipment leakage current detect device of protection safety.
For achieving the above object, the utility model has adopted following technical proposal:
A kind of electric equipment leakage current detect device with screen display function includes unidirectional 8 channel switch chips 1, and chip 2, two-way 4 channel switch chips 3, main control chip 4, latch chip for driving 5, relay 6, audio alert chip 7, display screen 9 are amplified in computing; Described unidirectional 8 channel switch chips, 1 input is connected with the terminal probe that detects electric current or temperature signal, unidirectional 8 channel switch chips 1, chip 2 is amplified in computing, two-way 4 channel switch chips 3, main control chip 4 connects in turn, described latch chip for driving 5, audio alert chip 7, display screen 9 all is connected on the main control chip 4, and described relay 6 is connected with latch chip for driving 5.
The utility model also includes alarm lamp 8 and the communication chip 12 that is connected with main control chip 4.Communication chip 12 is used to connect computer.
Compared with prior art, the beneficial effects of the utility model are:
1, shows residual electricity flow valuve, temperature value, current value and loop numbering in real time;
But 2, can fix also roll display specified loop residual electricity flow valuve, temperature value, current value;
3, the early warning value and the current instantaneous value in each loop of roll display when the early warning simultaneously of a plurality of loops;
4, can determine freely whether each loop needs monitoring;
5, the early warning value in each loop can freely be set and be independent fully;
6, drop-away value arbitrarily can be freely set, also tripping function can be closed;
7, have fault memory query function, can store more than 10000 of failure logging;
8, have and all kinds of interlock functions that exchange in fire-fighting center;
9, has sound and light of alarm;
10, have long-range resetting on the spot and self-checking function;
11, have time clock feature, can set and show current date and time;
12, owing to there is the storage battery chip, when abnormal power-down, can play the effect of continued power like this.
Description of drawings
Fig. 1 is a block diagram of the present utility model.
Embodiment
Be described in further detail below in conjunction with accompanying drawing and execution mode of the present utility model:
Referring to Fig. 1, the utility model is a kind of electric equipment leakage current detect device with screen display function, includes unidirectional 8 channel switch chips 1, and chip 2 is amplified in computing, two-way 4 channel switch chips 3, main control chip 4, latch chip for driving 5, relay 6, audio alert chip 7, display screen 9; Described unidirectional 8 channel switch chips, 1 input is connected with the terminal probe that detects electric current or temperature signal, unidirectional 8 channel switch chips 1, chip 2 is amplified in computing, two-way 4 channel switch chips 3, main control chip 4 connects in turn, described latch chip for driving 5, audio alert chip 7, display screen 9 all is connected on the main control chip 4, and described relay 6 is connected with latch chip for driving 5.
The utility model also includes alarm lamp 8 and the communication chip 12 that is connected with main control chip 4.Communication chip 12 is used to connect computer.
Described unidirectional 8 channel switch chips, 1 model is 74HC4051.It is LM358 that chip 2 models are amplified in described computing.Described two-way 4 channel switch chips, 3 models are 74HC4066.Described main control chip 4 models are C8051F310.Described latch chip for driving 5 models are 74HC595.Described audio alert chip 7 models are AP89010.
Operation principle of the present utility model is as follows:
When unusual sudden change took place parameters such as the electric current in the electric equipment, temperature, the terminal probe utilized the variation of electromagnetic field inducing principle, temperature effect that this information is gathered as residual current transformer, temperature sensor etc., and is transported in the monitoring detector; Behind unidirectional 8 channel switch chips 1, amplify chip 2 through computing and carry out the signal amplification, and after delivering to main control chip 4 behind the two-way 4 channel switch chips 3, the warning amplitude of 4 pairs of variations of main control chip analyzes, judges and set point compares, in case when exceeding set point; Main control chip 4 will drive relays 6 by latch chip for driving 5 and cut off the electricity supply, and makes electric equipment be connected with the civil power disconnection, lights alarm lamp, and main control chip 4 sends drive signal simultaneously and drives audio alert chip 7 and send the audio alert signal; Main control chip 4 is by 4 inner A/D conversion and data processing simultaneously, and control display screen 9 shows this effective value.
Claims (9)
1. electric equipment leakage current detect device with screen display function, include unidirectional 8 channel switch chips (1), chip (2) is amplified in computing, two-way 4 channel switch chips (3), main control chip (4), latch chip for driving (5), relay (6), audio alert chip (7), display screen (9); Described unidirectional 8 channel switch chip (1) inputs are connected with the terminal probe that detects electric current or temperature signal, unidirectional 8 channel switch chips (1), chip (2) is amplified in computing, two-way 4 channel switch chips (3), main control chip (4) connects in turn, described latch chip for driving (5), audio alert chip (7), display screen (9) all is connected on the main control chip (4), and described relay (6) is connected with latch chip for driving (5).
2. a kind of electric equipment leakage current detect device with screen display function according to claim 1 is characterized in that also including the alarm lamp (8) that is connected with main control chip (4).
3. a kind of electric equipment leakage current detect device with screen display function according to claim 1 and 2 is characterized in that also including the communication chip (12) that is used to connect computer, and this communication chip (12) is connected with main control chip (4).
4. a kind of electric equipment leakage current detect device with screen display function according to claim 1 is characterized in that described unidirectional 8 channel switch chip (1) models are 74HC4051.
5. a kind of electric equipment leakage current detect device with screen display function according to claim 1 is characterized in that it is LM358 that chip (2) model is amplified in described computing.
6. a kind of electric equipment leakage current detect device with screen display function according to claim 1 is characterized in that described two-way 4 channel switch chip (3) models are 74HC4066.
7. a kind of electric equipment leakage current detect device with screen display function according to claim 1 is characterized in that described main control chip (4) model is C8051F310.
8. a kind of electric equipment leakage current detect device with screen display function according to claim 1 is characterized in that described latch chip for driving (5) model is 74HC595.
9. a kind of electric equipment leakage current detect device with screen display function according to claim 1 is characterized in that described audio alert chip (7) model is AP89010.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205714448U CN201838976U (en) | 2010-10-15 | 2010-10-15 | Electric leakage monitor with screen display function for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205714448U CN201838976U (en) | 2010-10-15 | 2010-10-15 | Electric leakage monitor with screen display function for electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201838976U true CN201838976U (en) | 2011-05-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205714448U Expired - Lifetime CN201838976U (en) | 2010-10-15 | 2010-10-15 | Electric leakage monitor with screen display function for electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201838976U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675572A (en) * | 2012-09-14 | 2014-03-26 | 深圳市海洋王照明工程有限公司 | Electric leakage detector |
| CN110601135A (en) * | 2019-08-09 | 2019-12-20 | 恒大智慧充电科技有限公司 | Over-temperature protection device, over-temperature protection method, computer device, and storage medium |
-
2010
- 2010-10-15 CN CN2010205714448U patent/CN201838976U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675572A (en) * | 2012-09-14 | 2014-03-26 | 深圳市海洋王照明工程有限公司 | Electric leakage detector |
| CN110601135A (en) * | 2019-08-09 | 2019-12-20 | 恒大智慧充电科技有限公司 | Over-temperature protection device, over-temperature protection method, computer device, and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHONGSHAN FRIGATE TECHNOLOGY INDUSTRY CO., LTD. Free format text: FORMER NAME: FRIGATE INTERNATIONAL ELECTRIC (ZHONGSHAN) CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Two building 528400, north side of science and technology Avenue, Torch Development Zone, Guangdong, Zhongshan Patentee after: Zhongshan Frigate Science & Technology Industry Co., Ltd. Address before: 528400 science and technology Avenue, Torch Development Zone, Guangdong, Zhongshan Patentee before: Frigate International Electric (Zhongshan) Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electric leakage monitor with screen display function for electrical equipment Effective date of registration: 20131112 Granted publication date: 20110518 Pledgee: Industrial Bank Limited by Share Ltd Zhongshan branch Pledgor: Zhongshan Frigate Science & Technology Industry Co., Ltd. Registration number: 2013440000010 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170207 Granted publication date: 20110518 Pledgee: Industrial Bank Limited by Share Ltd Zhongshan branch Pledgor: Zhongshan Frigate Science & Technology Industry Co., Ltd. Registration number: 2013440000010 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electric leakage monitor with screen display function for electrical equipment Effective date of registration: 20171017 Granted publication date: 20110518 Pledgee: China Everbright Bank Zhongshan branch Pledgor: Zhongshan Frigate Science & Technology Industry Co., Ltd. Registration number: 2017440020044 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20181218 Granted publication date: 20110518 Pledgee: China Everbright Bank Zhongshan branch Pledgor: Zhongshan Frigate Science & Technology Industry Co., Ltd. Registration number: 2017440020044 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Electric leakage monitor with screen display function for electrical equipment Effective date of registration: 20181219 Granted publication date: 20110518 Pledgee: China Everbright Bank Zhongshan branch Pledgor: Zhongshan Frigate Science & Technology Industry Co., Ltd. Registration number: 2018440020087 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200316 Granted publication date: 20110518 Pledgee: China Everbright Bank Zhongshan branch Pledgor: ZHONGSHAN FRIGATE SCIENCE & TECHNOLOGY INDUSTRY Co.,Ltd. Registration number: 2018440020087 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110518 |
|
| CX01 | Expiry of patent term |