CN209542601U - A kind of hydrogen concentration detection system, vehicle and vehicle-mounted power supply unit - Google Patents
A kind of hydrogen concentration detection system, vehicle and vehicle-mounted power supply unit Download PDFInfo
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- CN209542601U CN209542601U CN201821809492.9U CN201821809492U CN209542601U CN 209542601 U CN209542601 U CN 209542601U CN 201821809492 U CN201821809492 U CN 201821809492U CN 209542601 U CN209542601 U CN 209542601U
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Abstract
The utility model relates to a kind of hydrogen concentration detection system, vehicle and vehicle-mounted power supply units, belong to fuel battery passenger car technical field.The utility model proposes hydrogen concentration detection system, power supply unit including hydrogen concentration detection means and for powering for hydrogen concentration detection means, power supply unit includes that power supply module and N select 1 selecting module, power supply module includes at least two in power battery, Vehicular accumulator cell and charging interface for connecting external charging equipment, at least two connection N in power battery, Vehicular accumulator cell and charging interface select each selection end of 1 selecting module, and N selects the output end of 1 selecting module for being electrically connected hydrogen concentration detection means.The utility model realizes the uninterrupted power supply of hydrogen concentration detection system long period, so that hydrogen concentration detection system can be with the uninterrupted detection of long period, the further safety for guaranteeing system.
Description
Technical field
The utility model relates to a kind of hydrogen concentration detection system vehicle and vehicle-mounted power supply units, belong to fuel battery passenger car
Technical field.
Background technique
In recent years, the research of Hydrogen Energy and fuel cell is paid close attention to by various countries, is considered as the important of future world energy system
Component part.Hydrogen cell automobile not only plays a significant role in terms of energy development, but also has outstanding environmental-protecting performance
And energy conversion efficiency has the advantages such as the filling time is short, course continuation mileage is long, is future automobile work compared with pure electric automobile
The important directions of industry sustainable development.
Vehicle fuel battery hydrogen gas system mostly uses greatly 35MPa or 70MPa high-pressure hydrogen storing at present, then subtracts through second level or multistage
It is depressed into suitable pressure limit supply pile.Hydrogen gas system provides enough flows and pressure in fuel cell operations for pile
The fuel of power need to monitor the amount of leakage of hydrogen in environment for security consideration, and take the necessary measures guarantor when there is an emergency
Card system safety.
However, the power supply of existing hydrogen concentration detection system only one, and at most only when driving into
Row detection.Power supply cannot achieve the uninterrupted power supply in longer period, also just cannot achieve the uninterrupted of long period
Detection, moreover, vehicle, under different operating conditions, hydrogen concentration detection may be interrupted because of power failure, it more will not be real
Existing 24 hours whole days uninterruptedly detect.
Utility model content
The purpose of this utility model is to provide a kind of hydrogen concentration detection system, vehicle and vehicle-mounted power supply units, for solving
The power supply of certainly existing hydrogen concentration detection system cannot achieve the uninterrupted power supply in longer period, and then cannot achieve
The problem of uninterrupted detection of long period.
To achieve the above object, the utility model proposes a kind of hydrogen concentration detection system, vehicle and vehicle-mounted power supply units.One
Kind hydrogen concentration detection system, the power supply unit including hydrogen concentration detection means and for powering for hydrogen concentration detection means, power supply
Device includes power supply module and N selects 1 selecting module, and power supply module includes power battery, Vehicular accumulator cell and for connecting outside
At least two in the charging interface of charging equipment, at least two connection N in power battery, Vehicular accumulator cell and charging interface
Each selection end of 1 selecting module is selected, N selects the output end of 1 selecting module for being electrically connected hydrogen concentration detection means.
The utility model power supply module includes at least two in power battery, Vehicular accumulator cell and charging interface, when it
In one when not running or electric energy can not be provided, another can continue to provide electric energy, with power battery and vehicular electricity storage
It for the power supply of pond, is powered by Vehicular accumulator cell, is then powered when Vehicular accumulator cell short of electricity by power battery first, it is dense to extend hydrogen
The power-on time of detection system is spent, the uninterrupted power supply of hydrogen concentration detection system long period is realized, so that hydrogen concentration detection system
System can be with the uninterrupted detection of long period, the further safety for guaranteeing system.
Further, power supply module includes power battery, Vehicular accumulator cell and charging interface.
Uninterrupted power supply is carried out using power battery, Vehicular accumulator cell and charging interface, it can be in the different conditions of vehicle
The different power supply mode of lower selection, the further continuity for guaranteeing power supply.
Further, hydrogen concentration detection system further includes control device, and N selects the output end of 1 selecting module also for electrical connection
The control signal output control connection N of control device, control device selects 1 selecting module.
N is automatically controlled by control device and selects 1 selecting module, without manually being selected, is reduced workload, is improved work
Make efficiency.
Further, hydrogen concentration detection system further includes travel condition of vehicle detection module, the sampled signal of control device
Input terminal connects travel condition of vehicle detection module.
By detecting the operating status of vehicle, intelligently switching power supply mode, reduction manual operation avoid the mistake of manual operation
Accidentally, the accuracy of power supply mode switching is improved.
Further, hydrogen concentration detection system further include for detect plus hydrogen door-down switch state plus hydrogen door-down switch shape
State detection module, the sampled signal input connection of control device plus hydrogen door-down switch state detection module.
If hydrogen concentration is relatively high when adding hydrogen, the detection of hydrogen concentration is carried out at this time, judgement is will affect, personnel is caused to fear
Unbearably, unnecessary trouble is brought, it is therefore desirable to the detection for stopping hydrogen concentration when adding hydrogen, by adding the switch state of hydrogen hatch door to sentence
It is disconnected whether to add hydrogen, directly simple, high reliablity.
A kind of vehicle, including vehicle body and hydrogen concentration detection system, hydrogen concentration detection system include hydrogen concentration detection
Device and power supply unit for powering for hydrogen concentration detection means, power supply unit includes that power supply module and N select 1 selecting module,
Power supply module includes at least two in power battery, Vehicular accumulator cell and charging interface for connecting external charging equipment,
At least two connection N in power battery, Vehicular accumulator cell and charging interface select each selection end of 1 selecting module, and N selects 1 selection
The output end of module is for being electrically connected hydrogen concentration detection means.
The utility model power supply module includes at least two in power battery, Vehicular accumulator cell and charging interface, when it
In one when not running or electric energy can not be provided, another can continue to provide electric energy, with power battery and vehicular electricity storage
It for the power supply of pond, is powered by Vehicular accumulator cell, is then powered when Vehicular accumulator cell short of electricity by power battery first, it is dense to extend hydrogen
The power-on time of detection system is spent, the uninterrupted power supply of hydrogen concentration detection system long period is realized, so that hydrogen concentration detection system
System can be with the uninterrupted detection of long period, the further safety for guaranteeing system.
Further, power supply module includes power battery, Vehicular accumulator cell and charging interface.
Uninterrupted power supply is carried out using power battery, Vehicular accumulator cell and charging interface, it can be in the different conditions of vehicle
The different power supply mode of lower selection, the further continuity for guaranteeing power supply.
Further, hydrogen concentration detection system further includes control device, and N selects the output end of 1 selecting module also for electrical connection
The control signal output control connection N of control device, control device selects 1 selecting module.
N is automatically controlled by control device and selects 1 selecting module, without manually being selected, is reduced workload, is improved work
Make efficiency.
A kind of vehicle-mounted power supply unit, including power supply module and N select 1 selecting module, and power supply module includes power battery, vehicle-mounted
At least two in battery and charging interface for connecting external charging equipment, power battery, Vehicular accumulator cell and charging
At least two connection N in interface select each selection end of 1 selecting module, and N selects the output end of 1 selecting module to be used for for being electrically connected phase
The electrical equipment answered.
The utility model power supply module includes at least two in power battery, Vehicular accumulator cell and charging interface, when it
In one when not running or electric energy can not be provided, another can continue to provide electric energy, with power battery and vehicular electricity storage
It for the power supply of pond, is powered by Vehicular accumulator cell, is then powered when Vehicular accumulator cell short of electricity by power battery first, it is dense to extend hydrogen
The power-on time of detection system is spent, the uninterrupted power supply of hydrogen concentration detection system long period is realized, so that hydrogen concentration detection system
System can be with the uninterrupted detection of long period, the further safety for guaranteeing system.
Further, power supply module includes power battery, Vehicular accumulator cell and charging interface.
Uninterrupted power supply is carried out using power battery, Vehicular accumulator cell and charging interface, it can be in the different conditions of vehicle
The different power supply mode of lower selection, the further continuity for guaranteeing power supply.
Detailed description of the invention
Fig. 1 is the utility model hydrogen concentration detection system block diagram.
Specific embodiment
Vehicle embodiments:
As shown in Figure 1, vehicle includes vehicle body (being not drawn into figure) and hydrogen concentration detection system, hydrogen concentration detection system
Including power supply unit and hydrogen concentration detection means, power supply unit is for being electrically connected hydrogen concentration detection system.
Power supply unit includes power supply module and N selects 1 selecting module, power supply module include power battery, Vehicular accumulator cell and
At least two in charging interface for connecting external charging equipment, in power battery, Vehicular accumulator cell and charging interface
At least two connection N select each selection end of 1 selecting module, and N selects the output end of 1 selecting module for electrical connection hydrogen concentration detection dress
It sets.
In the present embodiment, power supply module includes power battery, Vehicular accumulator cell and charging interface, under normal circumstances power electric
The voltage in pond and the voltage of hydrogen concentration detection means be it is unmatched, need DC/DC conversion module carry out voltage conversion, as it
His embodiment, power supply module may include power battery and Vehicular accumulator cell or Vehicular accumulator cell and charging interface or dynamic
Power battery and charging interface, as long as the uninterrupted detection of long period may be implemented.
In the utility model, N selects 1 selecting module for for hydrogen concentration detection means selection power supply mode, N to select 1 selection mould
Block is simple switch, is three kinds by power supply mode in this present embodiment, and therefore, switch includes three switch-dividings, is respectively divided
Switch 1, switch-dividing 2 and switch-dividing 3, can use and manually carry out selection power supply mode, certainly, as other embodiments, N choosing
1 selecting module can be intelligent controller completely, carry out intelligent control, be not necessarily to manual operation.
In order to further reduce manual operation, in the present embodiment, hydrogen concentration detection system further includes control device, switch
Output end also for being electrically connected control device, the control signal output connection switch of control device is for automatically controlling switch-dividing
Folding condition, certainly, guarantee manual operation it is errorless in the case where, control device can also not have.
In order to further realize uninterrupted power supply, hydrogen concentration detection means can be changed according to the operating status of vehicle
Power supply mode, therefore, in the present embodiment, hydrogen concentration detection system further includes travel condition of vehicle detection module, control device
Sampled signal input connects travel condition of vehicle detection module.Since travel condition of vehicle detection module can detecte vehicle
Normal driving states, charged state and dead ship condition, therefore travel condition of vehicle detection module can be judged just by speed
Whether normal driving states and dead ship condition, can connect charging unit by charging interface and judge whether it is charged state, close
All it is the prior art in the detection of travel condition of vehicle, is not described herein.Certainly, if above-mentioned travel condition of vehicle can be taking human as
In the case where judgement, travel condition of vehicle detection module can also not have.
In the present embodiment, hydrogen concentration detection means are in the power supply mode of different conditions, and whens normal driving states is vehicle
Storage battery power supply is carried, the external charging equipment power supply for using charging interface to connect when charged state, when dead ship condition is power
Battery power supply, as other embodiments, specific power supply mode is here with no restrictions, or is when normal driving states
It is the other modes such as Vehicular accumulator cell power supply when power battery power supply or charged state.
Hydrogen fuel vehicle is needed in the case where hydrogen is finished plus hydrogen, and hydrogen concentration detection means detect when in order to avoid adding hydrogen
As a result judgement is influenced, without carrying out the detection of hydrogen concentration when adding hydrogen, therefore, and in the present embodiment, hydrogen concentration detection system
Further include adding hydrogen door-down switch state detection module, adds hydrogen door-down switch state for detecting, the sampled signal of control device is defeated
Enter end connection plus hydrogen door-down switch state detection module adds the open and close of hydrogen hatch door completely can be taking human as judgement, hydrogen certainly
Door-down switch state detection module can also not have, as long as guarantee that hydrogen hatch door is added to open, stop hydrogen concentration detection means power supply
, the case where detection can avoid the occurrence of human error is carried out simply by hydrogen door-down switch state detection module, about adding
The switch state detection of hydrogen hatch door can be the detection modes such as simple sensor detection, belongs to the prior art, does not do here
It repeats.
Vehicle further includes ICARD car-mounted terminal, HCU (entire car controller) and instrument board (being not drawn into figure), the letter of HCU
Number input terminal sampling connection hydrogen concentration detection means, the signal output end control connection instrument board of HCU, and hydrogen concentration detection dress
It sets and is also connected with ICARD car-mounted terminal, the branch that power supply unit is separated by electrical appliance kit is for being electrically connected ICARD car-mounted terminal.
Specifically, the course of work of the utility model described in detail below:
When travel condition of vehicle detection module detects normal vehicle operation, control device controls switch-dividing 2 and is closed, point
Switch 1 and switch-dividing 3 disconnect, and Vehicular accumulator cell is hydrogen concentration detection means power supply, and hydrogen concentration detection means real-time detection hydrogen is dense
Degree, when hydrogen concentration detection means detect that hydrogen concentration is exceeded, sends the signal to HCU by CAN bus, HCU passes through instrument
Disk reminds driver to close hydrogen threshold switch, and (larger hydrogen concentration is that hydrogen threshold switch is forgotten to close under normal circumstances, certainly, if any other feelings
Condition can also very row driver check)；
When travel condition of vehicle detection module detects that vehicle is dead ship condition, control device controls switch-dividing 1 and is closed,
Switch-dividing 2 and switch-dividing 3 disconnect, and power battery is that hydrogen concentration detection means and ICARD car-mounted terminal are powered by DC/DC,
DC/DC includes timer, can be powered by hydrogen concentration detection means of timing output, and hydrogen concentration detection means timing detection hydrogen is dense
Degree, and hydrogen concentration information is sent to by ICARD car-mounted terminal by CAN bus, ICARD car-mounted terminal reports monitoring backstage, when
It when hydrogen concentration detection means detect that hydrogen concentration is exceeded, is alerted from the background, related personnel is notified to handle, meanwhile, it from the background can be with
Timing judges, if not receiving hydrogen concentration information within the corresponding time, backstage is alerted, and related personnel is notified to handle；
When travel condition of vehicle detection module detects that vehicle is charged state, control device controls switch-dividing 3 and is closed,
Switch-dividing 1 and switch-dividing 2 disconnect, and external charging equipment is hydrogen concentration detection means and ICARD vehicle-mounted end by charging interface
End power supply, hydrogen concentration detection means real-time detection hydrogen concentration, and it is vehicle-mounted by CAN bus hydrogen concentration information to be sent to ICARD
Terminal, ICARD car-mounted terminal and monitoring backstage carry out data interaction, when hydrogen concentration detection means detect that hydrogen concentration is exceeded,
Backstage is alerted, and related personnel is notified to handle；
When adding hydrogen door-down switch state detection module to detect plus hydrogen hatch door is opened, control module controls switch-dividing 1, divides
Switch 2 and switch-dividing 3 disconnect, and stop the power supply to hydrogen concentration detection means.
Since the operating voltage of hydrogen concentration detection means is 24V, whether through power battery or vehicle-mounted storage
Battery or external charging equipment are powered, and the voltage for reaching hydrogen concentration detection means is all 24V.
In the state of difference, different power supply modes is selected to hydrogen concentration detection means by vehicle for the utility model,
The uninterrupted power supply for realizing hydrogen concentration detection means, guarantees the safety of vehicle.
Hydrogen concentration detection system embodiment:
Structure composition, connection relationship and the course of work of hydrogen concentration detection system have been retouched in above-mentioned vehicle embodiments
It states, is not described herein.
Vehicle-mounted power supply unit embodiment:
Structure composition, connection relationship and the course of work of vehicle-mounted power supply unit have been retouched in above-mentioned vehicle embodiments
It states, is not described herein.
Claims (10)
1. a kind of hydrogen concentration detection system, including hydrogen concentration detection means and for for hydrogen concentration detection means power for Denso
It sets, which is characterized in that the power supply unit includes power supply module and N selects 1 selecting module, and the power supply module includes power electric
At least two in pond, Vehicular accumulator cell and charging interface for connecting external charging equipment, the power battery, vehicle-mounted storage
At least two connection N in battery and charging interface select each selection end of 1 selecting module, and the N selects the defeated of 1 selecting module
Outlet is for being electrically connected the hydrogen concentration detection means.
2. hydrogen concentration detection system according to claim 1, which is characterized in that the power supply module include power battery,
Vehicular accumulator cell and charging interface.
3. hydrogen concentration detection system according to claim 1 or 2, which is characterized in that the hydrogen concentration detection system is also wrapped
Control device is included, the N selects the output end of 1 selecting module also for being electrically connected the control device, the control of the control device
Signal output end control connects the N and selects 1 selecting module.
4. hydrogen concentration detection system according to claim 3, which is characterized in that the hydrogen concentration detection system further includes vehicle
The sampled signal input of condition monitoring module, control device connects the travel condition of vehicle detection module.
5. hydrogen concentration detection system according to claim 3, which is characterized in that the hydrogen concentration detection system further includes using
In detection plus hydrogen door-down switch state plus hydrogen door-down switch state detection module, control device sampled signal input connection
Described plus hydrogen door-down switch state detection module.
6. a kind of vehicle, including vehicle body and hydrogen concentration detection system, the hydrogen concentration detection system includes hydrogen concentration inspection
Survey device and the power supply unit for powering for hydrogen concentration detection means, which is characterized in that the power supply unit includes power supply mould
Block and N select 1 selecting module, and the power supply module includes power battery, Vehicular accumulator cell and for connecting external charging equipment
At least two in charging interface, at least two connections N choosing in the power battery, Vehicular accumulator cell and charging interface
Each selection end of 1 selecting module, the N select the output end of 1 selecting module for being electrically connected the hydrogen concentration detection means.
7. vehicle according to claim 6, which is characterized in that the power supply module includes power battery, Vehicular accumulator cell
And charging interface.
8. vehicle according to claim 6 or 7, which is characterized in that the hydrogen concentration detection system further includes control device,
The N selects the output end of 1 selecting module also for being electrically connected the control device, the control signal output control of the control device
System connects the N and selects 1 selecting module.
9. a kind of vehicle-mounted power supply unit, which is characterized in that select 1 selecting module including power supply module and N, the power supply module includes
At least two in power battery, Vehicular accumulator cell and charging interface for connecting external charging equipment, the power battery,
At least two connection N in Vehicular accumulator cell and charging interface select each selection end of 1 selecting module, and the N selects 1 selection mould
The output end of block is used for for being electrically connected corresponding electrical equipment.
10. vehicle-mounted power supply unit according to claim 9, which is characterized in that the power supply module includes power battery, vehicle
Carry battery and charging interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809492.9U CN209542601U (en) | 2018-11-02 | 2018-11-02 | A kind of hydrogen concentration detection system, vehicle and vehicle-mounted power supply unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809492.9U CN209542601U (en) | 2018-11-02 | 2018-11-02 | A kind of hydrogen concentration detection system, vehicle and vehicle-mounted power supply unit |
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| CN209542601U true CN209542601U (en) | 2019-10-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697253A (en) * | 2020-06-06 | 2020-09-22 | 北京潞电电气设备有限公司 | Uninterrupted power supply method and device for hydrogen fuel cell and hydrogen fuel cell |
| CN112977178A (en) * | 2021-04-27 | 2021-06-18 | 沃尔特电子（苏州）有限公司 | Power-off continuous hydrogen leakage monitoring system of fuel cell commercial vehicle |
-
2018
- 2018-11-02 CN CN201821809492.9U patent/CN209542601U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111697253A (en) * | 2020-06-06 | 2020-09-22 | 北京潞电电气设备有限公司 | Uninterrupted power supply method and device for hydrogen fuel cell and hydrogen fuel cell |
| CN112977178A (en) * | 2021-04-27 | 2021-06-18 | 沃尔特电子（苏州）有限公司 | Power-off continuous hydrogen leakage monitoring system of fuel cell commercial vehicle |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |