CN220137780U - Gas meter alarm capable of isolating signal and lightning protection - Google Patents
Gas meter alarm capable of isolating signal and lightning protection Download PDFInfo
- Publication number
- CN220137780U CN220137780U CN202223335786.1U CN202223335786U CN220137780U CN 220137780 U CN220137780 U CN 220137780U CN 202223335786 U CN202223335786 U CN 202223335786U CN 220137780 U CN220137780 U CN 220137780U
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- dcdc
- gas meter
- detector
- chip
- lightning
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- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 claims abstract description 84
- 238000002955 isolation Methods 0.000 claims abstract description 67
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 5
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 208000025274 Lightning injury Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 208000032365 Electromagnetic interference Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Abstract
The utility model is suitable for the technical field of gas alarms, and provides a gas meter alarm capable of isolating signals and lightning protection, which comprises a detector, a DCDC isolation chip, a DCDC isolation power supply, a lightning protection mortise element and a gas meter, wherein the DCDC isolation chip is electrically connected to the inside of the detector, the DCDC isolation power supply is electrically connected to the outer wall of the DCDC isolation chip, and the lightning protection mortise element is electrically connected to the inside of the detector. According to the utility model, the DCDC isolation chip, the DCDC isolation power supply and the lightning protection mortise element are additionally arranged in the detector, and the DCDC isolation chip can realize signal transmission and reception by being coupled to the gas meter, so that alternating current can be converted into direct current, the direct current and the direct current power supply are isolated to realize the effect of isolating signals and lightning, the normal operation of the gas meter alarm in an electromagnetic environment in severe weather is ensured, and the normal use of the gas meter is prevented from being influenced by the interference of the signals and the lightning.
Description
Technical Field
The disclosure relates to the technical field of gas alarms, and in particular relates to a gas meter alarm capable of isolating signals and lightning protection.
Background
With the development of economy, china increasingly pays attention to safe production, a flammable gas alarm is used as detection equipment for flammable and explosive gas in the safe production, the quality of the flammable gas alarm is directly related to the life safety of workshop staff, the flammable gas alarm belongs to an industrial instrument, various electromagnetic interferences such as wireless signals emitted by a mobile phone, radio, FM signals, electric rapid pulse group signals generated by starting and stopping a PLC (programmable logic controller) control cabinet, lightning stroke, electrostatic discharge and the like are filled in the use environment of the flammable gas alarm, and the signals influence the alarm of the gas alarm, so that the signal isolation of the gas alarm is necessary.
The Chinese patent discloses an anti-electromagnetic interference point type flammable gas alarm (grant bulletin No. CN 209132922U), the technical type of the patent adds an anti-electromagnetic interference circuit between a power supply and an internal circuit of the alarm, and can prevent external electromagnetic interference from entering the internal circuit of the flammable gas alarm by filtering electromagnetic interference signals in a working environment, thereby ensuring the reliable work of the flammable gas alarm under a severe electromagnetic environment, and further ensuring the safety and reliability of industrial production.
However, although the electromagnetic interference signals in the working environment can be filtered, the alternating current can not be converted into direct current, so that the current transmission through the alternating current can be interfered, and the use of the gas alarm is further affected. Accordingly, one skilled in the art would be able to provide a gas meter annunciator that can isolate signals and prevent lightning so as to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims at providing a gas meter alarm that can keep apart signal and lightning protection, aims at solving the problem that current independent right was solved.
To achieve the purpose, the present disclosure adopts the following technical scheme: the utility model provides a but gas table alarm of isolation signal and lightning protection, includes detector and embeds inside DCDC isolation chip, DCDC isolation power, lightning protection fourth of the twelve earthly branches component and the gas table of detector, the inside electric connection of detector has DCDC isolation chip, DCDC isolation chip electric connection has DCDC isolation power, the inside electric connection of detector has lightning protection fourth of the twelve earthly branches component, DCDC isolation power electric connection has the gas table, DCDC isolation chip and DCDC isolation power, lightning protection fourth of the twelve earthly branches component can be used to alternating current conversion to direct current for form direct current and direct current power and keep apart the effect that realizes isolation signal and thunderbolt.
Preferably, the detector may send a signal to the DCDC isolation chip and the detector may receive the DCDC isolation chip signal.
Preferably, the gas meter receives the signal of the DCDC isolation chip, and the gas meter can send the signal to the DCDC isolation chip.
Preferably, the voltage between the DCDC isolated power supply and the gas meter is 5V.
Preferably, the detector is connected to the DCDC isolation chip through DC-and dc+5v ports.
Preferably, a lightning-fourth electronic device is arranged between the DCDC isolation chip and the DCDC isolation power supply.
Preferably, a lightning-fourth electron is arranged between the detector and the DCDC isolation chip.
Preferably, the DCDC isolation power supply is connected with the DC-port of the detector and connected with the DCDC isolation chip.
The beneficial effects of the present disclosure are: according to the utility model, the DCDC isolation chip, the DCDC isolation power supply and the lightning protection mortise element are additionally arranged in the detector and are coupled to the gas meter, wherein the lightning protection mortise element is two lightning protection mortise electrons, and the DCDC isolation chip can realize the transmission and the reception of signals, so that the conversion of alternating current into direct current can be realized, the isolation of direct current and direct current power supply is realized, the effect of isolating signals and thunder and lightning is further realized, the normal operation of the gas meter alarm in an electromagnetic environment in severe weather is ensured, and the influence on the normal use of the gas meter caused by the interference of signals and thunder and lightning is avoided.
Drawings
FIG. 1 is a block diagram of a gas meter alarm capable of isolating signals and lightning protection;
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
The utility model provides a but gas table alarm of isolated signal and lightning protection, including the detector and built-in inside DCDC of detector keeps apart chip, DCDC keeps apart power, lightning protection fourth of the twelve earthly branches component and gas table, the inside electric connection of detector has DCDC to keep apart the chip, DCDC keeps apart chip electric connection has DCDC to keep apart power, the inside electric connection of detector has lightning protection fourth of the twelve earthly branches component, DCDC keeps apart power electric connection and has the gas table, DCDC keeps apart chip and DCDC and keeps apart power, lightning protection fourth of the twelve earthly branches component can be used to alternating current conversion to direct current keeps apart with direct current and realizes isolating signal and thunder and lightning's effect.
Preferably, the detector may send a signal to the DCDC isolation chip and the detector may receive the DCDC isolation chip signal.
In this scheme, the signal that the detector transmitted can be passed in the DCDC isolation chip, and DCDC isolation chip can receive the signal of detector promptly, and DCDC isolation chip also can send the signal to the detector simultaneously.
Preferably, the gas meter receives the signal from the DCDC isolation chip, and the gas meter can send the signal to the DCDC isolation chip.
According to the technical scheme, the DCDC isolation chip can send signals to the gas meter, the gas meter is convenient to receive information in the DCDC isolation chip, and meanwhile, the gas meter can send signals to the DCDC isolation chip.
Preferably, the voltage between the DCDC isolated power supply and the gas meter is 5V.
This scheme is further, and voltage stabilization between DCDC isolated power supply and the gas table can be guaranteed to this setting.
Preferably, the detector is connected to the DCDC isolation chip through a DC-and dc+5v port.
In the scheme, the detector can be connected with the DCDC isolation chip through the DC-and DC+5V ports, so that current transmission is realized.
Preferably, a lightning-fourth electron is arranged between the DCDC isolation chip and the DCDC isolation power supply.
This scheme is further, and this setting can play the fine effect of protecting against lightning to DCDC keeps apart chip and DCDC isolation power supply through thunder fourth of twelve earthly branches electron.
Preferably, a lightning-fourth electron is arranged between the detector and the DCDC isolation chip.
This scheme is further, and this setting can play the fine effect of preventing lightning stroke to detector and DCDC isolation chip through the thunder fourth of twelve earthly branches electron.
Preferably, the DCDC isolation power supply is connected to the DC-port of the detector and to the DCDC isolation chip.
Further, this scheme sets up and can keep apart the power with DCDC and keep apart the chip with DCDC and be connected.
According to the utility model, the DCDC isolation chip, the DCDC isolation power supply and the lightning protection mortise element are additionally arranged in the detector and are coupled to the gas meter, wherein the lightning protection mortise element is two lightning protection mortise electrons, and the DCDC isolation chip can realize the transmission and the reception of signals, so that the conversion of alternating current into direct current can be realized, the isolation of direct current and the direct current power supply can realize the effect of isolating signals and thunder and lightning, the normal operation of the gas meter alarm in the electromagnetic environment of severe weather is ensured, and the influence on the normal use of the gas meter caused by the interference of signals and thunder and lightning is avoided.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. A gas meter alarm capable of isolating signals and lightning protection is characterized in that: including detector and built-in inside DCDC keeps apart chip, DCDC keeps apart power, lightning protection mortise element and the gas table of detector, the inside electric connection of detector has the DCDC to keep apart the chip, DCDC keeps apart chip electric connection and has the DCDC to keep apart the power, the inside electric connection of detector has the lightning protection mortise element, DCDC keeps apart power electric connection and has the gas table, DCDC keeps apart chip and DCDC and keeps apart power, lightning protection mortise element and can be used to alternating current conversion to direct current for form direct current and direct current power and keep apart the effect that realizes isolating signal and thunderbolt.
2. The gas meter annunciator capable of isolating signals and protecting against lightning as defined in claim 1, wherein: the detector may send a signal to the DCDC isolation chip and the detector may receive the DCDC isolation chip signal.
3. The gas meter annunciator capable of isolating signals and protecting against lightning as defined in claim 1, wherein: the gas meter receives signals of the DCDC isolation chip, and the gas meter can send the signals to the DCDC isolation chip.
4. The gas meter annunciator capable of isolating signals and protecting against lightning as defined in claim 1, wherein: the voltage between the DCDC isolation power supply and the gas meter is 5V.
5. The gas meter annunciator capable of isolating signals and protecting against lightning as defined in claim 1, wherein: the detector is connected with the DCDC isolation chip through a DC-port and a DC+5V port.
6. The gas meter annunciator capable of isolating signals and protecting against lightning as defined in claim 1, wherein: and a lightning-fourth electronic device is arranged between the DCDC isolation chip and the DCDC isolation power supply.
7. The gas meter annunciator capable of isolating signals and protecting against lightning as defined in claim 1, wherein: and a Rate-mortise electron is arranged between the detector and the DCDC isolation chip.
8. The gas meter annunciator capable of isolating signals and protecting against lightning as defined in claim 1, wherein: the DCDC isolation power supply is connected with the DC-port of the detector and connected with the DCDC isolation chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223335786.1U CN220137780U (en) | 2022-12-12 | 2022-12-12 | Gas meter alarm capable of isolating signal and lightning protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223335786.1U CN220137780U (en) | 2022-12-12 | 2022-12-12 | Gas meter alarm capable of isolating signal and lightning protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220137780U true CN220137780U (en) | 2023-12-05 |
Family
ID=88963848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223335786.1U Active CN220137780U (en) | 2022-12-12 | 2022-12-12 | Gas meter alarm capable of isolating signal and lightning protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220137780U (en) |
-
2022
- 2022-12-12 CN CN202223335786.1U patent/CN220137780U/en active Active
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