CN206619930U

CN206619930U - Vehicular tail gas alarming charger

Info

Publication number: CN206619930U
Application number: CN201720352289.2U
Authority: CN
Inventors: 陈微希
Original assignee: HUNAN JIANGHAN ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: HUNAN JIANGHAN ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2017-04-06
Filing date: 2017-04-06
Publication date: 2017-11-07
Anticipated expiration: 2027-04-06

Abstract

The utility model discloses a kind of vehicular tail gas alarming charger, including shell body, shell body has upper lid, lower cover, protecgulum and bonnet, protecgulum is installed in the front end of lid and lower cover, bonnet is installed in the rear end of lid and lower cover, upper lid, air admission hole is offered respectively on lower cover and/or protecgulum, USB perforates are offered on protecgulum, the inside of shell body is provided with circuit board, circuit board is provided with control circuit, USB female seats, power spring, negative pole shell fragment, detector and buzzer, USB female seats are corresponding with the position of the USB perforates of bonnet, one end of power spring is connected with cathode contact, bonnet is stretched out in one end of cathode contact, the outer wall rear end of upper lid and lower cover is arranged with metal-back, the cathode contact of negative pole shell fragment both sides is each passed through lid, the hole position of lower cover and metal-back is externally protruded.Tail gas warning device is integrated in onboard charger by the utility model, and with charging and tail gas warning function, its is simple in construction, saves space.

Description

Vehicular tail gas alarming charger

Technical field

The utility model is related to onboard charger technical field, more specifically, is to be related to a kind of vehicular tail gas alarm Charger.

Background technology

Onboard charger is generally the standard configuration of automobile, and it can be that mobile phone or other equipment carry power supply, vehicle-mounted Charger can there is provided direct current with the power supply circuit conducting in automobile.However, existing onboard charger generally only has USB port charge function, without other integrated functions, function is single, and other functions are realized if desired, then must individually choose More Related products, occupy space.

In addition, continuously running for automobile engine can continually produce tail gas, wherein, the tail gas after gasoline combustion is main Comprising materials such as CO, H2, HC, if the railway carriage of closing enters excessive tail gas, increase over time, driver may suck Excessive CO causes blood of human body to be poisoned, and makes one headache, dizzy, palpitating speed, cerebral anoxia and dead, forfeiture ability to act, Cause a traffic accident.

Utility model content

The purpose of this utility model is to overcome drawbacks described above of the prior art there is provided one kind by charge function and tail gas The vehicular tail gas alarming charger that warning function is combined as a whole.

To achieve the above object, the utility model provides a kind of vehicular tail gas alarming charger, including shell body, institute Stating shell body has upper lid, lower cover, protecgulum and bonnet, and the protecgulum is installed in the front end of lid and lower cover, the bonnet installing In the rear end of upper lid and lower cover, offer and offered on air admission hole, the protecgulum respectively on the upper lid, lower cover and/or protecgulum USB perforates, the inside of the shell body is provided with circuit board, and the circuit board, which is provided with, is used for tail gas controlling alarm and charge control Control circuit and respectively with control circuit electrically connect USB female seats, power spring, negative pole shell fragment, detector, buzzing Device, the USB female seats are corresponding with the position of the USB perforates of bonnet, and one end of the power spring is connected with cathode contact, institute Bonnet is stretched out in the one end for stating cathode contact, and the outer wall rear end of the upper lid and lower cover is arranged with metal-back, the negative pole shell fragment two The hole position that the cathode contact of side is each passed through lid, lower cover and metal-back is externally protruded.

As preferred, the USB female seats are provided with two, and the control circuit includes DC input modules, power filter mould Block, the first synchronous buck modular converter, the second synchronous buck modular converter, first voltage compensating module, second voltage compensation mould Block, the first CC/CV adjustment modules, the 2nd CC/CV adjustment modules, gas detection process module, support BC1.2 rechargeable standards it is special With charge control module and the quick charge control module of support QC3.0, QC2.0 and FCP rechargeable standard, the DC inputs mould Block is electrically connected with power filtering module, and the power filtering module is synchronous with the first synchronous buck modular converter and second respectively to drop Modular converter electrical connection is pressed, the first voltage compensating module is adjusted with the first synchronous buck modular converter, the first CC/CV respectively Module and the electrical connection of quick charge control module, the first CC/CV adjustment modules are connected with the first synchronous buck modular converter Connect, the quick charge control module is electrically connected with one of USB female seats, the second voltage compensating module is respectively with second Synchronous buck modular converter, the 2nd CC/CV adjustment modules, gas detection process module and the electrical connection of special charging control module, The 2nd CC/CV adjustment modules are connected with the second synchronous buck modular converter, the gas detection process module respectively with Detector and buzzer electrical connection, the special charging control module are electrically connected with another USB female seat.

As preferred, the DC input modules are set to support DC12-30V DC input modules.

As preferred, the first synchronous buck modular converter and the second synchronous buck modular converter have PWM respectively Synchronous DC-DC integrated chips.

As preferred, the first voltage compensating module and second voltage compensating module respectively there is ripple to absorb energy storage Device.

As preferred, the upholstery border positioned at its both sides is provided between the upper lid and lower cover.

As preferred, the metal-back is set to aluminum hull.

As preferred, the circuit board includes first circuit board and second circuit board, the first circuit board and second Circuit board realizes that plate is connected to plate, and the USB female seats, power spring and negative pole shell fragment are respectively installed on first circuit board, institute State detector and buzzer is respectively installed on second circuit board.

Compared with prior art, the beneficial effects of the utility model are：

Tail gas warning device is integrated in onboard charger by the utility model, not only with charge function, additionally it is possible to pin The pernicious gases such as CO, H2 in railway carriage are detected, warning reminding can be made when pernicious gas is exceeded, to ensure to drive The life safety of person, its is simple in construction, saves space.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are these Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also Other accompanying drawings can be obtained according to these accompanying drawings.

Fig. 1 is the structural representation for the vehicular tail gas alarming charger that the utility model embodiment is provided；

Fig. 2 is the exploded view for the vehicular tail gas alarming charger that the utility model embodiment is provided；

Fig. 3 is the circuit module figure for the vehicular tail gas alarming charger that the utility model embodiment is provided；

Fig. 4 is the first synchronous buck modular converter or the second synchronous buck modular converter that the utility model embodiment is provided Circuit theory diagrams；

Fig. 5 is the circuit theory diagrams for the gas detection process module that the utility model embodiment is provided.

Embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to The scope of the utility model protection.

Fig. 1 and Fig. 2 are refer to, embodiment of the present utility model provides a kind of vehicular tail gas alarming charger, the car Load formula tail gas alarming charger includes shell body, and shell body has upper lid 1, lower cover 2, protecgulum 3 and bonnet 4, and protecgulum 3 is installed in The front end of lid 1 and lower cover 2, bonnet 4 is installed on the rear end of lid 1 and lower cover 2, upper lid 1, lower cover 2 and/or protecgulum 3 and opened respectively USB perforates 31 are offered on the air admission hole entered provided with supplied gas inside shell body, protecgulum 3.

As shown in Fig. 2 the inside of shell body is provided with circuit board 5, circuit board 5, which is provided with, is used for tail gas controlling alarm and charging The control circuit of control and the USB female seats 7 electrically connected respectively with control circuit, power spring 8, negative pole shell fragment 9, gas are detected Device 10, buzzer 11, USB female seats 7 are corresponding with the position of the USB perforates 31 of bonnet 4, and one end of power spring 8 is connected with just Bonnet 4 is stretched out in pole contact 12, one end of cathode contact 12, and the outer wall rear end of upper lid 1 and lower cover 2 is arranged with metal-back 13, negative pole The hole position that the cathode contact of the both sides of shell fragment 9 is each passed through lid 1, lower cover 2 and metal-back 13 is externally protruded.

In addition, being also provided with the upholstery border 25 positioned at its both sides between upper lid 1 and lower cover 2.Metal-back 13 can be preferred It is set to aluminum hull, naturally it is also possible to be set to the housing being made up of other metal materials.

As shown in Fig. 2 when it is implemented, the circuit board 5 can be divided into first circuit board 51 and second circuit board 52, first Circuit board 51 realizes that plate is connected to plate with second circuit board 52, and USB female seats 7, power spring 8 and negative pole shell fragment 9 can be filled respectively It is located on first circuit board 51, detector 10 and buzzer 11 can be respectively installed on second circuit board 52.Certainly, USB female seats 7, power spring 8, negative pole shell fragment 9, detector 10 and buzzer 11 can also be provided entirely in one piece of circuit board On.

As shown in Figures 2 and 3, USB female seats 7 can be provided with two, and control circuit includes DC input modules 14, power filter Module 15, the first synchronous buck modular converter 16, the second synchronous buck modular converter 17, first voltage compensating module 18, second Voltage compensation module 19, the first CC/CV adjustment modules 20, the 2nd CC/CV adjustment modules 21, gas detection process module 22, branch Hold the special charging control module 23 of BC1.2 rechargeable standards and support the quick charge of QC3.0, QC2.0 and FCP rechargeable standard Control module 24, DC input modules 14 are electrically connected with power filtering module 15, and power filtering module 15 is synchronous with first respectively to drop The pressure synchronous buck modular converter 17 of modular converter 16 and second is electrically connected, and first voltage compensating module 18 is synchronous with first respectively to drop Pressure modular converter 16, the first CC/CV adjustment modules 20 and quick charge control module 24 are electrically connected, the first CC/CV adjustment modules 20 are connected with the first synchronous buck modular converter 16, and quick charge control module 24 is electrically connected with one of USB female seats 7, Second voltage compensating module 19 respectively with the second synchronous buck modular converter 17, the 2nd CC/CV adjustment modules 21, gas detection Reason module 22 and special charging control module 23 are electrically connected, the 2nd CC/CV adjustment modules 21 and the second synchronous buck modular converter 17 are connected, and gas detection process module 22 is electrically connected with detector 10 and buzzer 11 respectively, special charging control mould Block 23 is electrically connected with another USB female seat 7.

In the present embodiment, DC input modules 14 can be preferably arranged to support DC12-30V DC input modules, and it can Think the connector for meeting DC12-30V interface chargers.Power filtering module 15 can be the power supply energy storage changed for ripple Device.

As shown in figure 4, the first synchronous buck modular converter 16 and the second synchronous buck modular converter 17 have PWM same respectively Walk DC-DC integrated chips.

First voltage compensating module 18 and second voltage compensating module 19 respectively there is ripple to absorb accumulator.First CC/ The CC/CV adjustment modules 21 of CV adjustment modules 20 and the 2nd are CC/CV adjusters, and it can control CC (constant current) or CV (permanent Determine electric current) pattern sample.

As shown in figure 5, gas detection process module 22 could be arranged to Carbon Monoxide Detection processing module, it can have one Carbonoxide detection process chip, detector 10 could be arranged to carbon monoxide gas sensor.When CO concentration>=50ppm When, Carbon Monoxide Detection processing module can control buzzer 11 to be alarmed in 60 seconds, remind occupant please to open car immediately Window changes to fresh air, or personnel leave in-car, to protect life safety.

During charging, USB1 ports：5V/2.4A is supported, 9V/1.5A, 12V/1A charge modes are carried out quick to mobile device Charging；USB2 ports：5V/2.1A is exported, BC1.2 rechargeable standards are supported, supports apple, other brand products charging of three magnitudes to know Not.

In summary, tail gas warning device is integrated in onboard charger by the utility model, not only with charge function, It can also be detected for pernicious gases such as CO, H2 in railway carriage, warning reminding can be made when pernicious gas is exceeded, with Ensure the life safety of driver, its is simple in construction, saves space.

Above-described embodiment is the utility model preferably embodiment, but embodiment of the present utility model is not by above-mentioned The limitation of embodiment, it is other it is any without departing from Spirit Essence of the present utility model with made under principle change, modify, replace Generation, combination, simplification, should be equivalent substitute mode, are included within protection domain of the present utility model.

Claims

1. a kind of vehicular tail gas alarming charger, including shell body, it is characterised in that：The shell body have it is upper lid (1), under (2), protecgulum (3) and bonnet (4) are covered, the protecgulum (3) is installed in the front end of lid (1) and lower cover (2), bonnet (4) dress It is located on the rear end of lid (1) and lower cover (2), the upper lid (1), lower cover (2) and/or protecgulum (3) and offers air admission hole respectively, USB perforates (31) are offered on the protecgulum (3), the inside of the shell body is provided with circuit board (5), the circuit board (5) The USB female seats (7) that are electrically connected provided with the control circuit for tail gas controlling alarm and charge control and respectively with control circuit, Power spring (8), negative pole shell fragment (9), detector (10), buzzer (11), the USB female seats (7) and bonnet (4) The position of USB perforates (31) is corresponding, and one end of the power spring (8) is connected with cathode contact (12), the cathode contact (12) the outer wall rear end of one end stretching bonnet (4), the upper lid (1) and lower cover (2) is arranged with metal-back (13), the negative pole The hole position that the cathode contact of shell fragment (9) both sides is each passed through lid (1), lower cover (2) and metal-back (13) is externally protruded.

2. vehicular tail gas alarming charger according to claim 1, it is characterised in that：The USB female seats (7) are provided with two It is individual, it is described control circuit include DC input modules (14), power filtering module (15), the first synchronous buck modular converter (16), Second synchronous buck modular converter (17), first voltage compensating module (18), second voltage compensating module (19), the first CC/CV Adjustment module (20), the 2nd CC/CV adjustment modules (21), gas detection process module (22), support BC1.2 rechargeable standards it is special It is described with charge control module (23) and the quick charge control module (24) of support QC3.0, QC2.0 and FCP rechargeable standard DC input modules (14) are electrically connected with power filtering module (15), the power filtering module (15) respectively with the first synchronous buck Modular converter (16) and the electrical connection of the second synchronous buck modular converter (17), the first voltage compensating module (18) is respectively with the One synchronous buck modular converter (16), the first CC/CV adjustment modules (20) and quick charge control module (24) electrical connection, it is described First CC/CV adjustment modules (20) are connected with the first synchronous buck modular converter (16), the quick charge control module (24) electrically connected with one of USB female seats (7), the second voltage compensating module (19) is changed with the second synchronous buck respectively Module (17), the 2nd CC/CV adjustment modules (21), gas detection process module (22) and special charging control module (23) are electrically connected Connect, the 2nd CC/CV adjustment modules (21) are connected with the second synchronous buck modular converter (17), the gas detection process Module (22) is electrically connected with detector (10) and buzzer (11) respectively, the special charging control module (23) with it is another Individual USB female seats (7) electrical connection.

3. vehicular tail gas alarming charger according to claim 2, it is characterised in that：The DC input modules (14) set It is set to the DC input modules for supporting DC12-30V.

4. vehicular tail gas alarming charger according to claim 2, it is characterised in that：The first synchronous buck conversion Module (16) and the second synchronous buck modular converter (17) have PWM synchronization DC-DC integrated chips respectively.

5. vehicular tail gas alarming charger according to claim 2, it is characterised in that：The first voltage compensating module (18) and second voltage compensating module (19) respectively have ripple absorb accumulator.

6. vehicular tail gas alarming charger according to claim 1, it is characterised in that：The upper lid (1) and lower cover (2) Between be provided with positioned at its both sides upholstery border (25).

7. vehicular tail gas alarming charger according to claim 1, it is characterised in that：The metal-back (13) is set to Aluminum hull.

8. vehicular tail gas alarming charger according to claim 1, it is characterised in that：The circuit board (5) includes the One circuit board (51) and second circuit board (52), the first circuit board (51) and second circuit board (52) realize that plate connects to plate Connect, the USB female seats (7), power spring (8) and negative pole shell fragment (9) are respectively installed on first circuit board (51), the gas Detector (10) and buzzer (11) are respectively installed on second circuit board (52).