CN109557378A - A kind of remote control insulation resistance measuring device - Google Patents
A kind of remote control insulation resistance measuring device Download PDFInfo
- Publication number
- CN109557378A CN109557378A CN201811427844.9A CN201811427844A CN109557378A CN 109557378 A CN109557378 A CN 109557378A CN 201811427844 A CN201811427844 A CN 201811427844A CN 109557378 A CN109557378 A CN 109557378A
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- China
- Prior art keywords
- circuit
- resistance measuring
- measuring device
- remote control
- insulation resistance
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/16—Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
- G01R27/18—Measuring resistance to earth, i.e. line to ground
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The present invention relates to resistance detection technical fields, more particularly, to a kind of remote control insulation resistance measuring device, including wireless controller, resistance measuring circuit and control circuit, the wireless controller and control circuit is wirelessly connected, and the control circuit is electrically connected with resistance measuring circuit.It is able to carry out long-range resistance measurement, avoiding route and sending a telegram here suddenly causes the accident of personnel's electric shock to occur.
Description
Technical field
The present invention relates to resistance detection technical fields, more particularly, to a kind of remote control insulation resistance measuring device.
Background technique
Currently when short trouble occurs for the overhead transmission line of power distribution network, in order to need to overhead transmission line to failure is searched
Insulation against ground resistance measures, and judges that failure is separate to reach, searches the purpose of failure.But traditional personnel measure insulation
Personnel and overhead transmission line and measurement circuit close contact when resistance, sending a telegram here suddenly there is the anti-power transmission of route or route causes to survey
The accident risk of amount personnel electric shock.
Summary of the invention
The present invention in order to overcome at least one of the drawbacks of the prior art described above, provides a kind of remote control insulation resistance survey
Device is measured, long-range resistance measurement is able to carry out, avoiding route and sending a telegram here suddenly causes the accident of personnel's electric shock to occur.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of remote control insulation measurement dress
It sets, including wireless controller, resistance measuring circuit and control circuit, the wireless controller and control circuit are wirelessly connected,
The control circuit is electrically connected with resistance measuring circuit.
Further, the wireless controller includes first microprocessor, the first regulated power supply, control key, display
With the first signal transmitting terminal and the first signal receiving end, the first microprocessor respectively with the first regulated power supply, control key,
Display and the electrical connection of the first signal transmitting terminal and the first signal receiving end.
Further, the control circuit includes the second microprocessor, second signal transmitting terminal, second signal receiving end
With the second regulated power supply, second microprocessor is steady with second signal transmitting terminal, second signal receiving end and second respectively
Voltage source electrical connection.
Further, the control circuit further includes state display lamp, the state display lamp and the second micro process
Device electrical connection.
Further, the resistance measuring circuit includes test power supply, DC voltage booster circuit, analog switch, benchmark electricity
Resistance, sample circuit, A/D conversion module and the first test port and the second test port, the test power supply, DC boosting electricity
Road and test port are sequentially connected electrically, the A/D conversion module, sample circuit, sampling resistor, analog switch and the second test
Port is sequentially connected electrically, and the sample circuit, reference resistance are sequentially connected electrically.
Further, further include power management chip, accessed between second microprocessor and DC voltage booster circuit
Power management chip.
Further, the power management chip is TL594.
Further, the control key includes button and knob.
Compared with prior art, beneficial effect is: by using the present apparatus, by measurement and can control wirelessly
It separates, is effectively guaranteed personal safety of the survey crew when carrying out resistance measurement, make worker personnel can be far from electrification electricity
Resistance is remotely measured, and the measured value of resistance is shown by wireless controller, easy to use.
Detailed description of the invention
Fig. 1 is general frame schematic diagram of the present invention；
Fig. 2 is the implementation diagram of the present invention in one embodiment.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
As shown in Figure 1, a kind of remote control insulation resistance measuring device, including wireless controller 1, resistance measuring circuit 3
With control circuit 2, wireless controller 1 and control circuit 2 are wirelessly connected, and control circuit 2 is electrically connected with resistance measuring circuit 3.?
In the present apparatus, data exchange, staff's energy are carried out using bluetooth or communication network between wireless controller 1 and control circuit 2
The measurement that control instruction carries out resistance is enough issued by wireless controller 1, control circuit 2 can also receive resistance measuring circuit 3
In detection to resistance value, and result will test by wireless signal and feed back in wireless controller 1, staff can be in nothing
Measured value is directly read in lane controller 1, it is safe and convenient to use, the testing resistance of staff and electrification is separate, avoid work
Make personnel and electric shock accidents occurs when resistance measurement.
Wherein, wireless controller 1 includes first microprocessor 101, the first regulated power supply 104, control key 106, display
105 and first signal transmitting terminal 102 and the first signal receiving end 103, first microprocessor 101 respectively with the first regulated power supply
104, control key 106, display 105 and the first signal transmitting terminal 102 and the electrical connection of the first signal receiving end 103.Staff
Test operation control can be carried out by the control key 106 on wireless controller 1, realize human-computer exchange, in addition, used aobvious
Show that device 105 is LCD display, with lower power consumption and higher service life, the electricity tested in measuring circuit
Resistance value can be fed back to by wireless communication in wireless controller 1, and by LCD display by resistance value with numerical value or figure
Form is shown, and staff directly can carry out read-record to resistance value by LCD display, easy to use intuitive.
In the present embodiment, control circuit 2 includes the second microprocessor 201, second signal transmitting terminal 202, second signal
Receiving end 203 and the second regulated power supply 205, the second microprocessor 201 connect with second signal transmitting terminal 202, second signal respectively
Receiving end 203 and the electrical connection of the second regulated power supply 205.First signal transmitting terminal 102, the first signal receiving end 103, second signal hair
It penetrates end 202, second signal receiving end 203 and distinguishes communication interaction.
In the present embodiment, control circuit 2 further includes state display lamp 204, state display lamp 204 and the second microprocessor
201 electrical connections.When carrying out work implementation phase, if test circuit and control circuit 2 be ready for Job readiness when
It waits, state display lamp 204 can be powered and light, and staff can measure work, if circuit access failure, state display lamp
204 do not light then, and staff needs to carry out test job again after carrying out circuit detection maintenance.
In the present embodiment, resistance measuring circuit 3 includes test power supply 305, DC voltage booster circuit 304, analog switch
303, reference resistance R1), sampling resistor R2, sample circuit 301, A/D conversion module 302 and the first test port a and second survey
Port b is tried, test power supply 305, DC voltage booster circuit 304 and test port are sequentially connected electrically, A/D conversion module 302, sampling electricity
Road 301, sampling resistor R2, analog switch 303 and the second test port b are sequentially connected electrically, sample circuit 301, reference resistance R1)
It is sequentially connected electrically with the first test port a.The cardinal principle of resistance measuring circuit 3 are as follows: 304 pairs of test power supplys of DC voltage booster circuit
305 voltage carries out boosting processing, and by the first test port a and the second test port b to testing resistance pressurize into
Row sampled measurements, and by Acquisition Circuit to measuring to being acquired, the collected electric signal of institute passes through A/D conversion module 302
It is to pass through second signal transmitting terminal after being handled by the second microprocessor 201 in controller that converting transmission, which is carried out, to second
202 are transmitted to measurement data in wireless controller 1 in a manner of being wirelessly transferred, and staff can be in wireless controller 1
Testing result is read, it is convenient intuitive.
It in the present embodiment, further include power management chip, between the second microprocessor 201 and DC voltage booster circuit 304
Access power management chip.Power management chip is TL594.Staff can pass through wireless remote control by wireless controller 1
Mode to resistance measuring circuit 3, DC voltage booster circuit 304 is controlled by TL594, realizes pressurized control, thus real
The requirement of existing wireless measurement.
In the present embodiment, control key 106 includes button and knob.
As shown in Fig. 2, first test port a the second test port b is articulated in frame by way of hook by staff
On the route to be detected on ceases to be busy road, staff is remotely controlled measurement operation by wireless controller 1 in enough safe distances,
Wireless measurement can be carried out to testing resistance, the data result detected is transmitted to work people by way of wireless signal
Wireless controller 1 in member's hand, staff can be read out data result by wireless controller 1 on hand, can either
Guarantee that staff can also guarantee that the measurement of resistance data is read, guarantee the people of staff far from electrification dangerous point
Body safety.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (8)
1. a kind of remote control insulation resistance measuring device, which is characterized in that including wireless controller (1), resistance measuring circuit
(3) with control circuit (2), the wireless controller (1) and control circuit (2) are wirelessly connected, the control circuit (2) with
Resistance measuring circuit (3) electrical connection.
2. a kind of remote control insulation resistance measuring device according to claim 1, which is characterized in that the wireless controlled
Device (1) processed includes first microprocessor (101), the first regulated power supply (104), control key (106), display (105) and first
Signal transmitting terminal (102) and the first signal receiving end (103), the first microprocessor (101) are electric with the first pressure stabilizing respectively
Source (104), control key (106), display (105) and the first signal transmitting terminal (102) and the first signal receiving end (103) are electrically connected
It connects.
3. a kind of remote control insulation resistance measuring device according to claim 1, which is characterized in that the control electricity
Road (2) includes the second microprocessor (201), second signal transmitting terminal (202), second signal receiving end (203) and the second pressure stabilizing
Power supply (205), second microprocessor (201) respectively with second signal transmitting terminal (202), second signal receiving end
(203) it is electrically connected with the second regulated power supply (205).
4. a kind of remote control insulation resistance measuring device according to claim 3, which is characterized in that the control electricity
Road (2) further includes state display lamp (204), and the state display lamp (204) is electrically connected with the second microprocessor (201).
5. a kind of remote control insulation resistance measuring device according to claim 3, which is characterized in that the resistance is surveyed
Measuring circuit (3) includes test power supply (305), DC voltage booster circuit (304), analog switch (303), reference resistance (R1), sampling
Resistance (R2), sample circuit (301), A/D conversion module (302) and the first test port (a) and the second test port (b), institute
Test power supply (305), DC voltage booster circuit (304) and the test port stated are sequentially connected electrically, the A/D conversion module
(302), sample circuit (301), sampling resistor (R2), analog switch (303) and the second test port (b) are sequentially connected electrically, institute
Sample circuit (301), reference resistance (R1) and the first test port (a) stated are sequentially connected electrically.
6. a kind of remote control insulation resistance measuring device according to claim 4, which is characterized in that further include power supply pipe
Chip is managed, accesses power management chip between second microprocessor (201) and DC voltage booster circuit (304).
7. a kind of remote control insulation resistance measuring device according to claim 6, which is characterized in that the power supply pipe
Reason chip is TL594.
8. a kind of remote control insulation resistance measuring device according to claim 2, which is characterized in that the control key
It (106) include button and knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811427844.9A CN109557378A (en) | 2018-11-27 | 2018-11-27 | A kind of remote control insulation resistance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811427844.9A CN109557378A (en) | 2018-11-27 | 2018-11-27 | A kind of remote control insulation resistance measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN109557378A true CN109557378A (en) | 2019-04-02 |
Family
ID=65867653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811427844.9A Pending CN109557378A (en) | 2018-11-27 | 2018-11-27 | A kind of remote control insulation resistance measuring device |
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| CN (1) | CN109557378A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441610A (en) * | 2019-09-19 | 2019-11-12 | 广东电网有限责任公司 | A kind of remote digital type Insulation Resistance Tester and its host lighting device |
| CN110609175A (en) * | 2019-10-25 | 2019-12-24 | 广州供电局有限公司 | Insulation resistance detection device and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110441610A (en) * | 2019-09-19 | 2019-11-12 | 广东电网有限责任公司 | A kind of remote digital type Insulation Resistance Tester and its host lighting device |
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