CN208421075U - A kind of novel earth resistance tester with laser ranging function - Google Patents
A kind of novel earth resistance tester with laser ranging function Download PDFInfo
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- CN208421075U CN208421075U CN201820655034.8U CN201820655034U CN208421075U CN 208421075 U CN208421075 U CN 208421075U CN 201820655034 U CN201820655034 U CN 201820655034U CN 208421075 U CN208421075 U CN 208421075U
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Abstract
The utility model discloses a kind of novel earth resistance testers with laser ranging function, belong to earth resistance technical field, signal acquisition module includes measurement needle, analog-to-digital conversion module includes ADC converter, microprocessor processes system includes microprocessor, memory, display and Transmission system include USB interface, radio transmission apparatus, display screen, fault alarm module includes relay, contact, built-in loudspeaker, power module has external power supply, processing and display system include microprocessor, memory, USB interface, radio transmission apparatus, display screen, the utility model is that the novel earth resistance tester with laser ranging function expands laser ranging function and fault alarm function, it is convenient to provide in ranging process, efficient mode.
Description
Technical field
The utility model belongs to earth resistance technical field, and in particular to a kind of novel with laser ranging function
Earth resistance tester.
Background technique
Earth resistance tester is the Common Instrument and electrical safety inspection and earth work for examining measurement of Grounding Resistance
The indispensable tool of final acceptance of construction, into the rapid development over year due to computer technology, earth resistance tester also seeps
A large amount of earth resistance tester Microprocessor technology thoroughly measures function, and content is that general instrument cannot phase with precision
Ratio.Currently advanced ground resistance tester is able to satisfy all earthmeter requirements.With new-type jaw method, without beating dress stake unwrapping wire
Carry out online directly measurement.One powerful ground resistance tester is controlled by microprocessor, can be detected each interface automatically and be connected
Interference voltage, the interfering frequency of situation and earth mat are connect, and there are the unique functions such as numerical value holding and intelligent prompt.
Existing ground resistance measuring instrument without distance measurement function, and actually carry out ground resistance measurement when, electrode spacing
Defection influences the precision of ground resistance measurement.And the tape measuring electrode distance method generallyd use is under certain special environment
So that tape measuring become can not, can only using ocular estimate estimate electrode distance, electrode distance not necessarily meet measurement is grounded
The requirement of resistance, so that the ground resistance data of measurement become unreliable.
In addition, existing ground resistance measuring instrument does not have automatic failure alarm function, when failure, user of service is often
Do not know, so that will lead to measurement result mistake occurs.
With science and technology it is increasingly developed, the requirement for ground connection such as power supply network, communication equipment is higher and higher,
The measurement task of ground resistance is also increasingly heavy, measuring electrode distance and measurement resistance step separation so that measurement work compared with
To be many and diverse, measurement data dispersion.Therefore while guaranteeing measurement of Grounding Resistance accuracy, the behaviour that can both simplify measurement is used
Make step, improves working efficiency, and can strictly safeguard the validity of measurement data and the measuring device of integrality and measurement
Method is very necessary.
Utility model content
The purpose of this utility model is to provide a kind of novel earth resistance testers with laser ranging function, with solution
Certainly the problems mentioned above in the background art.
To realize the utility model aim, the technical solution adopted is that: a kind of novel ground connection with laser ranging function
At resistance meter, including signal acquisition module, signal conversion module, signal amplification module, analog-to-digital conversion module, microprocessor
Reason system, display and Transmission system, fault alarm module, power module, laser emitting module, laser pick-off module, processing and
Display system, the signal acquisition module include measurement needle (2), and signal conversion module includes signal adapter (3), signal amplification
Module includes signal amplifier (4), and the analog-to-digital conversion module includes ADC converter (5), the microprocessor processes system packet
Microprocessor (6), memory (7) are included, the display and Transmission system include USB interface (8), radio transmission apparatus (9), display
Shield (16), the fault alarm module includes relay (11), contact (12), built-in loudspeaker (13), and the power module has outer
It sets power supply (10), processing and display system include microprocessor (6), memory (7), USB interface (8), radio transmission apparatus
(9), display screen (16), the laser emitting module include that laser emitter (14) laser pick-off module includes laser receiver
(15), the fault alarm module is connect with the failure of signal conversion module, signal amplification module, analog-to-digital conversion module, when upper
It when stating one or more in 3 modules and breaking down, just will call the police, the laser emitting module, laser pick-off module and modulus turn
The public a set of microprocessor (6) of mold changing block, memory (7), USB interface (8), radio transmission apparatus (9), display screen (16) are set
It is standby.
Preferably, the signal conversion module includes signal adapter, measurement needle will be obtained in signal acquisition module
Different frequency, the sine wave signal of different amplitudes or direct current signal carry out the corresponding operating of signal conversion, direction reversion.
Preferably, the signal amplifier includes current amplifier and voltage amplifier, sends mould to after signal is amplified
ADC converter in number conversion module.
Preferably, the microprocessor is single-chip microcontroller, and microprocessor stores obtained ADC converter (5) digital signal
In memory, and on a display screen it is shown, information is transmitted to by terminal device by USB interface, radio transmission apparatus.
Preferably, display screen includes but are not limited to digital dot array display screen and liquid crystal display.
Preferably, when no current passes through in relay in fault alarm module, contact closure, built-in loudspeaker alarm.
Preferably, the laser emitter includes that the laser of diversing lens, laser generator and rear side focuses dress
It sets.
Preferably, the external power supply uses DC inverter, generates AC power source by particular electrical circuit by battery.
Compared with prior art, the utility model has the beneficial effects that compared with prior art, the present invention has to be novel
The earth resistance tester of laser ranging function has expanded laser ranging function, in ranging process for user provide it is convenient,
Efficient mode can ensure and carry out accurate resistance measurement in the accurate situation of electrode distance, the measurement of distance is by connecing
Ground resistance measuring instrument is unified to be completed, and can more efficiently guarantee the seriousness and authenticity of ground resistance measurement.
Detailed description of the invention
Fig. 1 is the novel earth resistance tester system structure diagram with laser ranging function.
Fig. 2 is the novel earth resistance tester electrical block diagram with laser ranging function.
In figure: 1. resistance meter shells, 2. measurement needles, 3. signal adapters, 4. signal amplifiers, 5.ADC converter,
6. microprocessor, 7. memories, 8.USB interface, 9. radio transmission apparatus, 10. external power supplies, 11. relays, 12. contacts,
Loudspeaker built in 13., 14. laser emitters, 15. laser receivers, 16. display screens.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to shown in Fig. 1, Fig. 2, the utility model provides a kind of technical solution: a kind of novel with laser ranging function
Earth resistance tester, including signal acquisition module, signal conversion module, signal amplification module, analog-to-digital conversion module, Wei Chu
Manage device processing system, display and Transmission system, fault alarm module, power module, laser emitting module, laser pick-off module,
Processing and display system, the signal acquisition module include measurement needle 2, and signal conversion module includes signal adapter 3, and signal is put
Big module includes signal amplifier 4, and the analog-to-digital conversion module includes ADC converter 5, and the microprocessor processes system includes
Microprocessor 6, memory 7, the display and Transmission system include USB interface 8, radio transmission apparatus 9, display screen 16, described
Fault alarm module includes relay 11, contact 12, built-in loudspeaker 13, and the power module has external power supply 10, is handled and aobvious
Show that system includes microprocessor 6, memory 7, USB interface 8, radio transmission apparatus 9, display screen 16, the laser emitting module
It include laser receiver 15, the fault alarm module and signal modulus of conversion including 14 laser pick-off module of laser emitter
The failure connection of block, signal amplification module, analog-to-digital conversion module, when one or more in above-mentioned 3 modules break down, just
Will call the police, the laser emitting module, laser pick-off module and the public a set of microprocessor 6 of analog-to-digital conversion module, memory 7,
USB interface 8, radio transmission apparatus 9,16 equipment of display screen.
Working principle: tested earthing or grounding means is connected with ground resistance measuring instrument, and measurement needle is inserted into tested place, Yong Huxuan
Measurement measurement needle gage is selected from can then measure, in measurement, collected sine and cosine or direct current signal turn via signal
After changing the mold block, the processing of signal amplification module, voltage and current signal, which enters in ADC converter, is converted into digital signal, microprocessor
Signal is handled, by resulting current value and voltage value by the analytical calculation of microprocessor, ground resistance is calculated
And store in memory, user can be exported signal by terminal device, can also be shown by display screen.Laser emission
Laser generator in device generates laser, and laser focusing device assembles laser, and by the laser transfer after focusing
To laser beam emitting device, laser beam emitting device emits laser, laser contact measured object back reflection by laser beam emitting head, and laser connects
Receiving apparatus receives the laser of reflection, and the data-signal received is passed to computing module in microprocessor, it is possible thereby to
By laser distance measuring, data processing module in microprocessor processes chip is transmitted the result to, data processing module calculates
So that electrode distance is met nominal value range, obtain the minimum range moved needed for electrode, user adjusts electric current according to calculated result
Pole obtains current value by current sensor.For fault alarm module, contact is in open circuit, relay in normal work
In there is electric current to pass through, in the event of a failure, no current is passed through after ADC converter, so that relay is breaking, this will lead to contact
Closure is connected, built-in sound horn alarm.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of novel earth resistance tester with laser ranging function, including signal acquisition module, signal conversion module,
Signal amplification module, analog-to-digital conversion module, microprocessor processes system, display and Transmission system, fault alarm module, power supply mould
Block, laser emitting module, laser pick-off module, processing and display system, the signal acquisition module include measurement needle (2), letter
Number conversion module includes signal adapter (3), and signal amplification module includes signal amplifier (4), the analog-to-digital conversion module packet
It includes ADC converter (5), the microprocessor processes system includes microprocessor (6), memory (7), and the display and transmission are
System includes USB interface (8), radio transmission apparatus (9), display screen (16), and the fault alarm module includes relay (11), touching
Point (12), built-in loudspeaker (13), the power module have external power supply (10), processing and display system include microprocessor (6),
Memory (7), USB interface (8), radio transmission apparatus (9), display screen (16), the laser emitting module includes Laser emission
Device (14) laser pick-off module includes laser receiver (15), and the fault alarm module is put with signal conversion module, signal
Big module, the connection of the failure of analog-to-digital conversion module, when one or more in above-mentioned 3 modules break down, just will call the police, institute
Laser emitting module, laser pick-off module and the public a set of microprocessor (6) of analog-to-digital conversion module, memory (7), USB is stated to connect
Mouth (8), radio transmission apparatus (9), display screen (16) equipment.
2. the novel earth resistance tester with laser ranging function according to claim 1, it is characterised in that: described
Signal conversion module includes signal adapter (3), will measurement needle (2) obtains in the signal acquisition module different frequency, no
The corresponding operating of signal conversion, direction reversion is carried out with the sine wave signal or direct current signal of amplitude.
3. the novel earth resistance tester with laser ranging function according to claim 1, it is characterised in that: described
Signal amplifier (4) includes current amplifier and voltage amplifier, sends the ADC in analog-to-digital conversion module after signal is amplified to
Converter (5).
4. the novel earth resistance tester with laser ranging function according to claim 1, it is characterised in that: described
Microprocessor (6) is single-chip microcontroller, and obtained ADC converter (5) digital signal is stored in memory (7) by microprocessor (6),
And shown on display screen (16), information is transmitted to by terminal device by USB interface (8), radio transmission apparatus (9).
5. the novel earth resistance tester with laser ranging function according to claim 1, it is characterised in that: display
Screen (16) includes but are not limited to digital dot array display screen and liquid crystal display.
6. the novel earth resistance tester with laser ranging function according to claim 1, it is characterised in that: described
When no current passes through in relay (11) in fault alarm module, contact (12) closure, built-in loudspeaker (13) alarm.
7. the novel earth resistance tester with laser ranging function according to claim 1, it is characterised in that: described
Laser emitter (14) include diversing lens, laser generator and rear side laser focusing device.
8. the novel earth resistance tester with laser ranging function according to claim 1, it is characterised in that: described
External power supply (10) uses DC inverter, generates AC power source by particular electrical circuit by battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820655034.8U CN208421075U (en) | 2018-05-03 | 2018-05-03 | A kind of novel earth resistance tester with laser ranging function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820655034.8U CN208421075U (en) | 2018-05-03 | 2018-05-03 | A kind of novel earth resistance tester with laser ranging function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208421075U true CN208421075U (en) | 2019-01-22 |
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| CN201820655034.8U Active CN208421075U (en) | 2018-05-03 | 2018-05-03 | A kind of novel earth resistance tester with laser ranging function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160634A (en) * | 2019-06-06 | 2019-08-23 | 内蒙古电力（集团）有限责任公司内蒙古超高压供电局 | Reactor abnormal sound measuring device and its method |
| CN110806297A (en) * | 2019-11-20 | 2020-02-18 | 北京工业大学 | Portable test system for measuring interlayer displacement of structure under earthquake action |
-
2018
- 2018-05-03 CN CN201820655034.8U patent/CN208421075U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160634A (en) * | 2019-06-06 | 2019-08-23 | 内蒙古电力（集团）有限责任公司内蒙古超高压供电局 | Reactor abnormal sound measuring device and its method |
| CN110806297A (en) * | 2019-11-20 | 2020-02-18 | 北京工业大学 | Portable test system for measuring interlayer displacement of structure under earthquake action |
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