CN209198429U - Gas detecting instrument - Google Patents
Gas detecting instrument Download PDFInfo
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- CN209198429U CN209198429U CN201821983257.3U CN201821983257U CN209198429U CN 209198429 U CN209198429 U CN 209198429U CN 201821983257 U CN201821983257 U CN 201821983257U CN 209198429 U CN209198429 U CN 209198429U
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- 238000001514 detection method Methods 0.000 claims abstract description 44
- 230000005611 electricity Effects 0.000 claims abstract description 38
- 230000003111 delayed effect Effects 0.000 claims abstract description 4
- 238000004020 luminiscence type Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 210000001699 lower leg Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model relates to a kind of gas detecting instruments, it is related to a kind of technical field of detecting instrument, it solves and the inadequate phenomenon of gas detecting instrument electricity once occurs, the work of user of service will be delayed, and staff can not generally understand the whether enough problems of gas detecting instrument self electric quantity in the case where not opening gas detecting instrument, it includes for electricity inside detection gas detectors and exporting the electric quantity detection apparatus of electric power detection signal, electric quantity detection apparatus is coupled to receive electric power detection signal and electric power detection signal and the first electricity reference signal relatively and are exported the first voltage comparison unit of first voltage comparison signal, first voltage comparison unit is coupled to receive first voltage comparison signal and export the control device of control signal, control device is coupled to receive control signal and in response to control signal to realize that charging mentions The charge prompting device shown.The utility model has the effect of being reminded in time when gas detecting instrument electricity is inadequate to relevant work personnel.
Description
Technical field
The utility model relates to a kind of technical fields of detecting instrument, more particularly, to gas detecting instrument.
Background technique
Gas detecting instrument is a kind of instrument and meter tool of gas leakage Concentration Testing, including: Portable gas physical examination
Survey instrument, hand-held gas detecting instrument, stationary gas detector, online gas detecting instrument etc..Mainly utilize gas sensor
Gaseous species present in environment are detected, gas sensor is the sensor of the composition and content for detection gas.
Existing gas detecting instrument generally uses outdoors, due to factors such as user of service's carelessness, is easy in user of service
Do not need using when also maintain open state, and current gas detecting instrument rely in the battery that sets charge to meet it
The requirement of normal use, therefore once there is the inadequate phenomenon of gas detecting instrument electricity, it will delay the work of user of service, and
Whether the self electric quantity that staff can not generally understand gas detecting instrument ontology in the case where not opening gas detecting instrument is enough
With there is room for improvement.
Utility model content
Have to remind in time when gas detecting instrument electricity is inadequate the purpose of the utility model is to provide one kind and arrives phase
Answer the gas detecting instrument of the effect of staff.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of gas detecting instrument further includes for electricity inside detection gas detectors and exporting the electricity of electric power detection signal
Amount detecting device is coupled to electric quantity detection apparatus to receive electric power detection signal and by electric power detection signal and the first electricity benchmark
Signal relatively and exports the first voltage comparison unit of first voltage comparison signal, is coupled to first voltage comparison unit to receive
First voltage comparison signal and export control signal control device, be coupled to control device with receive control signal and in response to
Signal is controlled to realize the charge prompting device of charge prompting.
It, can be to electricity by the setting of electric quantity detection apparatus, first voltage comparison unit by using above-mentioned technical proposal
Amount situation is judged, by control device effectively start charge prompting device when electricity is less, to user of service into
The corresponding prompt of row, to cause the attention of user of service to be charged in time.
The utility model is further arranged to: the charge prompting device further includes being coupled to control device to receive control
Signal and the light prompt circuit that light prompt is realized in response to control signal, and, control device is coupled to receive control
Signal processed and the auditory tone cues electric circuit that auditory tone cues are realized in response to control signal.
It is compared by using above-mentioned technical proposal by the setting of light prompt cue circuit and auditory tone cues electric circuit
In the setting of the either single auditory tone cues electric circuit of single light prompt circuit, there is preferably prompt effect.
The utility model is further arranged to: the light prompt circuit includes being coupled to control device to receive control letter
Number and export the switch unit of switching signal and be coupled to switch unit with receive switching signal and in response to switching signal with
Realize the luminescence unit of flashing.
By using above-mentioned technical proposal, strobe light emission prompt may be implemented by the setting of switch unit, luminescence unit,
Compared to single luminous prompting, there is preferably prompt effect.
The utility model is further arranged to: further including being set between control device and charge prompting device to be used for
Receive control signal and in response to control signal with the timing means of delayed startup charge prompting device.
By using above-mentioned technical proposal, by the setting of timing means can to the start by set date of charge prompting device,
Compared to prompting always, it is possible to reduce the loss of energy, while also ensuring suitable prompt time interval, to further protect
Card prompts staff.
The utility model is further arranged to: further including being coupled to electric quantity detection apparatus to receive electric power detection signal and incite somebody to action
Electric power detection signal and the second electricity reference signal relatively and export second voltage comparison unit, the coupling of second voltage comparison signal
Second voltage comparison unit is connected to receive the driving device of second voltage comparison signal and output drive signal, be coupled to driving
Device is to receive driving signal and in response to driving signal with the switching device of switching timing device timing.
By using above-mentioned technical proposal, by second voltage comparison unit, driving device, switching device setting can be with
According to charge condition detected by practical electric quantity detection apparatus, the corresponding timing for changing timing means.
The utility model is further arranged to: the first voltage comparison unit includes for exporting the first electricity benchmark letter
Number the first electricity reference circuit, and, for the first electricity reference signal and electric power detection signal to be compared and export
The first voltage comparison circuit of first voltage comparison signal.
By using above-mentioned technical proposal, personnel are convenient to use in needs by the setting of the first electricity reference circuit
When can adjust its electricity a reference value, and the setting of first voltage comparison circuit can be by electricity a reference value and electric power detection value
It is compared and feeds back corresponding comparable situation.
The utility model is further arranged to: the auditory tone cues electric circuit is loudspeaker.
By using above-mentioned technical proposal, since auditory tone cues electric circuit is loudspeaker, it can guarantee the same of prompt effect
When, reduce its use cost.
In conclusion the advantageous effects of the utility model are as follows: compare dress by electric quantity detection apparatus, first voltage
Set, the setting of control device, charge prompting device can when electricity is few by charge prompting mode to user of service
It is prompted.
Detailed description of the invention
Fig. 1 is the gas detecting instrument structural schematic diagram of the utility model.
Fig. 2 be electric quantity detection apparatus, first voltage comparison unit, control device, timing means, switching device circuit connect
Map interlinking.
Fig. 3 is the circuit connection diagram of charge prompting device.
In figure, 1, electric quantity detection apparatus；2, first voltage comparison unit；3, control device；4, charge prompting device；5, lamp
Light cue circuit；6, auditory tone cues electric circuit；7, switch unit；8, luminescence unit；9, timing means；10, switching device；11,
One electricity reference circuit；12, first voltage comparison circuit；13, driving device；14, second voltage comparison unit.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1, it is a kind of gas detecting instrument disclosed by the utility model, further includes for inside detection gas detector
Electricity simultaneously exports the electric quantity detection apparatus 1 of electric power detection signal, is coupled to electric quantity detection apparatus 1 to receive electric power detection signal simultaneously
Electric power detection signal and the first electricity reference signal relatively and are exported into the first voltage comparison unit of first voltage comparison signal
2, first voltage comparison unit 2 is coupled to receive first voltage comparison signal and export the control device 3 of control signal, coupling
In control device 3 to receive control signal and realize the charge prompting device 4 of charge prompting in response to control signal.
Wherein, electric quantity detection apparatus 1 is electrical quantity sensor, and electrical quantity sensor is a kind of detection device, can be experienced tested
The information of electricity, and the information experienced can be will test, it is for conversion into the letter of electric signal or other required forms according to certain rules
Breath output is required with transmission, processing, storage, display, record and the control etc. that meet information.It is to realize automatic detection and oneself
The primary link of dynamic control.
First voltage comparison unit 2 includes the first electricity reference circuit 11 for exporting the first electricity reference signal, with
And the first electricity for the first electricity reference signal and electric power detection signal to be compared to and exported first voltage comparison signal
Press comparison circuit 12.
First electricity reference circuit 11 includes that one end is connected to the resistance R4 of power supply VCC, one end is connected to resistance R4 and another
The slide rheostat RP2 of one end ground connection, first voltage comparison circuit 12 include that normal phase input end is connected to electrical quantity sensor and anti-
Phase input terminal is connected to the voltage comparator A2 of the tie point of resistance R4 and slide rheostat RP2, the model of voltage comparator A2
For LM393.
Control device 3 is connected to the triode Q1 of voltage comparator A2 output end including base stage and one end is connected to three
Pole pipe Q1 emitter and the relay KM2 of other end ground connection, the model S9014 of triode Q1, the model of relay KM2
HH52P。
Charge prompting device 4 further includes being coupled to control device 3 to receive control signal and in response to control signal with reality
The light prompt circuit 5 of existing light prompt, and, control device 3 is coupled to receive control signal and in response to controlling signal
To realize the auditory tone cues electric circuit 6 of auditory tone cues.
Wherein, auditory tone cues electric circuit 6 is the loudspeaker BL1 that one end ground connection and the other end are connected to power supply VCC.
Wherein, light prompt circuit 5 includes being coupled to control device 3 to receive control signal and export cutting for switching signal
It changes unit 7 and is coupled to switch unit 7 to receive switching signal and realize shining for flashing in response to switching signal
Unit 8.
Switch unit 7 includes the capacitor C1 of one end ground connection, one end is connected to the resistance R10 of capacitor C1, one end is connected to electricity
Hinder R10 and the other end is connected to the resistance R13 for being controlled by the switch KM1-1 of relay MM1, the 7th foot is connected to resistance R13 and
The tie point of resistance R10 and the 6th foot, crus secunda are all connected to 555 timer A4 of the tie point of capacitor C1 and resistance R10, hair
Light unit 8 is connected to the light emitting diode of resistance R11 including resistance R11, anode that one end is connected to the 8th foot of 555 timer A4
D1, one end are connected to the third foot of 555 timer A4 and connect with resistance R12, the anode of the tie point of light emitting diode D1
In resistance R12 and the light emitting diode D2 of minus earth.
The course of work of light prompt circuit 5 is as follows:
When relay KM1 triggering and conducting, the corresponding trigger switch KM1-1 of meeting is in running order, can touch at this time
The switching signal that 555 timer A4 interruption exports corresponding high level is sent out, exports the switching signal of high level in 555 timers
When, light emitting diode D1 will not shine since both ends are in high level at this time, and light emitting diode D2 will shine；Instead
It can trigger light emitting diode D1 accordingly at this time and be in when 555 timer A4 do not export the switching signal of high level
Working condition, and light emitting diode D2 will not be shone due to short circuit, to sum up, be realized the stroboscopic of light prompt circuit 5
It shines.
Gas detecting instrument further includes being set between control device 3 and charge prompting device 4 for receiving control letter
Number and in response to control signal with the timing means 9 of delayed startup charge prompting device 4.
Timing means 9 includes time relay KT1 and one end that one end ground connection and the other end are connected to switch KM2-1
Ground connection and the other end are connected to the time relay KT2 of switch KM2-1, the type of time relay KT1 and time relay KT2
It number is H3Y-2.
Gas detecting instrument further includes being coupled to electric quantity detection apparatus 1 to receive electric power detection signal and by electric power detection signal
With the second electricity reference signal relatively and export the second voltage comparison unit 14 of second voltage comparison signal, be coupled to second electricity
Press comparison unit 14 to receive the driving device 13 of second voltage comparison signal and output drive signal, be coupled to driving device 13
To receive driving signal and in response to driving signal with the switching device 10 of 9 timing of switching timing device.
Second voltage comparison unit 14 includes that one end is connected to the resistance R4 of power supply VCC, one end is connected to resistance R4 and another
One end ground connection slide rheostat RP2, normal phase input end be connected to electrical quantity sensor and inverting input terminal be connected to resistance R4 and
The model LM393 of the voltage comparator A2 of the tie point of slide rheostat RP2, voltage comparator A2.
Driving device 13 includes the triode Q2 that base stage is connected to voltage comparator A2 output end, the model of triode Q2
S9014。
Switching device 10 includes that one end is connected to the relay KM3 of triode Q1 emitter and other end ground connection, one end connects
It is connected to the time relay KT3 of switch KM3-1 and other end ground connection, when one end is connected to that switch KM3-1 and the other end be grounded
Between the model of relay KT4, time relay KT3 and time relay KT4 be H3Y-2.
The implementation principle of the present embodiment are as follows:
It is detected first by itself carried charge of the electrical quantity sensor to gas detecting instrument, is lower than one in gas detecting instrument
When definite value, starting charge prompting device 4 is prompted, and prompt time herein is time relay KT2 and time relay
The time difference of both device KT1.
Then it when the self electric quantity of gas detecting instrument continues to drop to certain value, is closed by relay KM3
The prompt time of KM2 setting, but filled by the time difference between time relay KT4 and time relay KT3 as new
The prompt time of electric suggestion device 4, prompt time herein is relatively long, preferably to cause the attention of staff.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (7)
1. a kind of gas detecting instrument, it is characterised in that: further include for electricity inside detection gas detector and exporting electricity inspection
It surveys the electric quantity detection apparatus (1) of signal, be coupled to electric quantity detection apparatus (1) to receive electric power detection signal and believe electric power detection
Number and the first electricity reference signal relatively and export the first voltage comparison unit (2) of first voltage comparison signal, be coupled to
One voltage comparator device (2) with receive first voltage comparison signal and export control signal control device (3), be coupled to control
Device (3) is to receive control signal and realize the charge prompting device (4) of charge prompting in response to control signal.
2. a kind of gas detecting instrument according to claim 1, it is characterised in that: the charge prompting device (4) further includes
Control device (3) is coupled to receive control signal and realize the light prompt circuit of light prompt in response to control signal
(5), and, control device (3) is coupled to receive control signal and realize the sound of auditory tone cues in response to control signal
Cue circuit (6).
3. a kind of gas detecting instrument according to claim 2, it is characterised in that: the light prompt circuit (5) includes coupling
Control device (3) is connected to reception control signal and exports the switch unit (7) of switching signal and is coupled to switch unit (7)
To receive switching signal and realize the luminescence unit (8) of flashing in response to switching signal.
4. a kind of gas detecting instrument according to claim 1, it is characterised in that: further include be set to control device (3) with
And for receiving control signal and in response to control signal with delayed startup charge prompting device between charge prompting device (4)
(4) timing means (9).
5. a kind of gas detecting instrument according to claim 4, it is characterised in that: further include being coupled to electric quantity detection apparatus
(1) to receive electric power detection signal and electric power detection signal and the second electricity reference signal relatively and are exported second voltage and compared
The second voltage comparison unit (14) of signal is coupled to second voltage comparison unit (14) to receive second voltage comparison signal simultaneously
The driving device (13) of output drive signal, be coupled to driving device (13) with receive driving signal and in response to driving signal with
The switching device (10) of switching timing device (9) timing.
6. a kind of gas detecting instrument according to claim 1, it is characterised in that: first voltage comparison unit (2) packet
The first electricity reference circuit (11) for exporting the first electricity reference signal is included, and, it is used for the first electricity reference signal
The first voltage comparison circuit (12) of first voltage comparison signal is compared and exported with electric power detection signal.
7. a kind of gas detecting instrument according to claim 2, it is characterised in that: the auditory tone cues electric circuit (6) is loudspeaking
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821983257.3U CN209198429U (en) | 2018-11-28 | 2018-11-28 | Gas detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821983257.3U CN209198429U (en) | 2018-11-28 | 2018-11-28 | Gas detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209198429U true CN209198429U (en) | 2019-08-02 |
Family
ID=67426565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821983257.3U Expired - Fee Related CN209198429U (en) | 2018-11-28 | 2018-11-28 | Gas detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209198429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2765335C1 (en) * | 2020-12-22 | 2022-01-28 | Общество с ограниченной ответственностью "Газпром трансгаз Ухта" | Air monitoring system |
-
2018
- 2018-11-28 CN CN201821983257.3U patent/CN209198429U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2765335C1 (en) * | 2020-12-22 | 2022-01-28 | Общество с ограниченной ответственностью "Газпром трансгаз Ухта" | Air monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |