CN204103525U - Two lithium battery power supply power supplys of blood-collecting car and blood sampling mobile unit - Google Patents
Two lithium battery power supply power supplys of blood-collecting car and blood sampling mobile unit Download PDFInfo
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- CN204103525U CN204103525U CN201420400249.7U CN201420400249U CN204103525U CN 204103525 U CN204103525 U CN 204103525U CN 201420400249 U CN201420400249 U CN 201420400249U CN 204103525 U CN204103525 U CN 204103525U
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Abstract
The utility model provides two lithium battery power supply power supplys of a kind of blood-collecting car and blood sampling mobile unit, it is characterized in that: have two groups of chargeable point of lithium battery groups in parallel; Every component lithium battery group is connected with a BMS respectively and is controlled by this BMS, each BMS is all connected with the communication modes of CAN within a total main control module, this total main control module is connected with the mode of CAN beyond the controller for solar of solar panel, and this total main control module also has the interface that the mode of carrying out outer CAN with direct-current charging post is connected; Every component lithium battery group is all connected with the electric discharge interface of a high voltage control case; Every component lithium battery group is all connected with a system charging inlet, and system charging inlet can be connected with the controller for solar of solar panel and direct-current charging post.The utility model can utilize solar panel for chargeable lithium cell continuation charging, to ensure the smooth running of blood-collecting car.
Description
Technical field
The utility model belongs to a kind of medical vehicle, particularly relates to a kind of power supply of blood-collecting car.
Background technology
Blood-collecting car on the car body of vehicle, installs blood sampling apparatus, such as refrigerator, electronic scale, and heat-sealing machine and other blood sampling relevant devices, blood-collecting car also has the equipment such as air-conditioning, illumination.Such blood-collecting car can flow to different local, stores and transports blood bank back, greatly facilitate the collection in medical blood source after gathering blood.
During blood-collecting car work, its equipment is very large to electrical power demand, and has high requirements to the stability of electric power supply and electric current, voltage, if do not reach requirement, may continue blood sampling, or the blood gathered cannot be preserved and ruin.
In the place that condition of power supply is good, such as metropolitan blood sampling point, above-mentioned power reguirements can ensure.But, if blood-collecting car is to small towns or village, even be when taking a blood sample under field condition, just may not having can the stable power-supplying source of plug and play, and needs to pick out from transmission line, this danger that not only works, troublesome poeration, and the electric current and voltage stability of the electricity directly picked out due to transmission line cannot ensure, thus the stable operation of equipment also cannot ensure, if there is no transmission line, just cannot take a blood sample.Meanwhile, current blood-collecting car equipment power supply adopts diesel engine generator to power usually, because noise when diesel engine generator works is comparatively large, brings impact to the living environment of people.
Utility model content
The utility model provides two lithium battery power supply power supplys of a kind of blood-collecting car and blood sampling mobile unit, its objective is the shortcoming solving prior art and exist, make blood-collecting car and mobile unit thereof under various different environment, generally stably can obtain supply of electric power, the impact simultaneously abated the noise.
The utility model solves the technical scheme that its technical problem adopts:
Two lithium battery power supply power supplys of blood-collecting car and blood sampling mobile unit, is characterized in that:
There are two groups of chargeable point of lithium battery groups in parallel;
Every component lithium battery group is connected with a BMS respectively and is controlled by this BMS, each BMS is all connected with the communication modes of CAN within a total main control module, this total main control module is connected with the mode of CAN beyond the controller for solar of solar panel, and this total main control module also has the interface that the mode of carrying out outer CAN with direct-current charging post is connected;
Every component lithium battery group is all connected with the electric discharge interface of a high voltage control case, divide and be provided with electric discharge relay between lithium battery group and the electric discharge interface of high voltage control case, the high voltage control model calling in the BMS corresponding to this point of lithium battery group also controls this electric discharge relay;
Every component lithium battery group is all connected with a system charging inlet, divide and be provided with charge relay between lithium battery group and system charging inlet, high voltage control model calling in BMS corresponding to this point of lithium battery group also controls this charge relay, and system charging inlet can be connected with the controller for solar of solar panel and direct-current charging post.
Usefulness of the present utility model is:
Key of the present utility model is on blood-collecting car, be provided with two groups of chargeable lithium cell groups, like this, when blood-collecting car is in extraneous power supply instability or cannot connects external power supply, chargeable lithium cell group charged in advance can be used, and the solar panel that blood-collecting car can be utilized exterior is chargeable lithium cell group continuation charging, chargeable lithium cell group can also directly be charged by direct-current charging post, to ensure blood-collecting car equipment need for electricity, and safety and environmental protection more.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the utility model battery assembly module figure.
Embodiment
The utility model as shown in Figure 1:
Comprising by electric loading in blood-collecting car: luggage compartment fan, refrigerator, electronic scale, heat-sealing machine, compressor of air conditioner, blood sampling car light source and air-conditioning fan motor, condenser and control section, other by electric loadings, can be powered by lithium battery group.
Lithium battery group is that two component lithium battery groups in parallel are formed, be respectively a point lithium battery group A, point lithium battery group B, every component lithium battery group is connected with a BMS respectively and is controlled by this BMS, the outer CAN communication mouth of each BMS is all connected with the interior CAN communication mouth of a total main control module, thus within CAN communication modes connect, this total main control module is also connected with the mode of CAN beyond the controller for solar of solar panel by outer CAN communication mouth, and the outer CAN communication mouth of this total main control module can also be connected with the mode that direct-current charging post carries out outer CAN.Total main control module is connected by interior CAN mode and the running of cooperation control two BMS (controlling a point lithium battery group A, point lithium battery group B further by BMS), solar panel, direct-current charging post.Total main control module, carries out interior CAN communication with the main control module in two battery systems; Also in charging process, outer CAN communication is carried out with direct-current charging post; Total main control module, when battery stagnation pressure is too low, controls buzzer warning (reminding user fault); In addition, this total main control module also with controller for solar communication, control the start and stop of controller for solar, make controller for solar keep soft start, ensure controller for solar useful life and system reliability.
Circuit protection components and parts and current measuring element module, wherein circuit protection components and parts comprise charge relay, cut-off relay, relay, fuse, diode etc.; Current measuring element comprises Hall current sensor, detects main circuit current.Relay and Hall current sensor control by battery management system BMS.
Divide lithium battery group A, divide lithium battery group B to pass through the electric discharge interface of circuit protection components and parts and current measuring element model calling high voltage control case; point lithium battery group A, point be provided with electric discharge relay between lithium battery group B and the electric discharge interface of high voltage control case, the high voltage control model calling in the BMS corresponding to this point of lithium battery group also controls this electric discharge relay.
The electric discharge interface of high voltage control case connects powering by electric loading etc. in each blood-collecting car.
Divide lithium battery group A, lithium battery group B is divided to connect BMS module respectively, acquisition module is contained (as current acquisition module in each BMS module, voltage acquisition, balanced, temperature collect module etc., its function is the voltage gathering cell, temperature and to cell equalization function, prevent battery from occurring overvoltage, under-voltage, excess temperature, the situations such as consistency deviation is too large, lithium battery is protected), simultaneously, acquisition module upload the data to the main control module in BMS, by the high voltage control module in the master control module controls BMS in BMS, again by charge relay in high voltage control module control circuit protected location, electric discharge relay, the adhesive of relay and disconnection, lithium battery is protected.In BMS module also has, CAN communication mouth connects display screen.
Include 5 battery cases series connection in point lithium battery group A (point lithium battery group B same structure) separately together, each casing built with 20 cells, simultaneously, serial battery has high pressure cutout switch in loop, for in emergency circumstances, cut off major loop, Accident prevention occurs.
Divide lithium battery group A, divide a lithium battery group B to be all connected with a system charging inlet, point lithium battery group A, point be provided with charge relay between lithium battery group B and system charging inlet, the high voltage control model calling in the BMS corresponding to this point of lithium battery group also controls this charge relay.
The controller for solar charging end of solar panel and direct-current charging post charging end connecting system charging inlet simultaneously.
BMS in the utility model purchases existing BMS equipment.
The definition of BMS:
Battery management system (BATTERYMANAGEMENTSYSTEM) battery management system (BMS) is the tie between battery and user, and main object is lithium battery.Lithium battery is in charge and discharge process, and overcharge and overdischarge all can make a big impact to the performance of battery.Battery management system (BMS) is exactly mainly the utilance in order to improve battery, prevents battery from occurring overcharging and over-discharge can, extends the useful life of battery, the state of monitoring battery.
Battery management system function
Battery management system can be used for electric automobile, underwater robot etc.Generally speaking battery management system will realize following function:
(1) accurately SOC is estimated:
State-of-charge (the State of Charge of accurate estimation power battery pack, i.e. SOC), i.e. battery dump energy, ensure that SOC maintains in rational scope, prevent because overcharge or overdischarge cause damage to battery, and show the dump energy of hybrid vehicle energy-storage battery at any time, i.e. the state-of-charge of energy-storage battery.
(2) dynamic monitoring:
In battery charge and discharge process, the terminal voltage of the every block battery in Real-time Collection accumulator of electric car group and temperature, charging and discharging currents and power brick total voltage, prevent battery generation overcharge or overdischarge phenomenon.Battery condition can be provided in time simultaneously, pick out problematic battery, keep whole Battery pack reliability of operation and high efficiency, make the realization of remaining capacity estimation model become possibility.In addition, also to set up the use historical archives of every block battery, for optimization and development of new electricity, charger, motor etc. are given information, for the off-line analysis system failure provides foundation further.
The process of battery charging and discharging can adopt that precision is higher, the better current sensor of stability detects in real time usually; general electric current is different according to the front end size of current of BMS; corresponding transducer range is selected to carry out close; for 400A; usual employing open-loop principles; producer both domestic and external all adopts can the JCE400-ASS current sensor of low temperature resistant, high temperature, macroseism, and when selecting transducer, demand fulfillment precision is high, the feature that the response time is fast.
(3) equilibrium between battery:
Be cell equalizing charge, make each battery in battery pack all reach balanced consistent state.
The utility model uses as follows:
When base got back to by blood-collecting car, lithium battery group will be able to be divided to be full of electricity with charging pile.
After blood-collecting car is outputed, if there is stable extraneous power supply, such as, in business district, just preferential with stablizing extraneous power supply for using electric loading.
When not stablizing extraneous power supply, enabling lithium battery group and powering:
When the state of point lithium battery is higher than certain numerical value, and when the output of solar panel is higher than certain numerical value simultaneously, be electricity consumption load supplying by solar panel.
Also have and only power by lithium battery group:
When a component lithium battery group in two component lithium battery groups is in output state, another component lithium battery group is in charged state or resting state.
Also namely, a component lithium battery group is first enabled, another component lithium battery group dormancy, when the state of point lithium battery group of first enabling drops to certain numerical value, solar panel is the charging of this component lithium battery group, and enabling another component lithium battery group is electricity consumption load supplying, so circulates.
Particularly, discharge and recharge strategy is as follows:
1) after system electrification, BMS detects stagnation pressure and the SOC (battery remaining electricity accounts for total capacity percentage) of point lithium battery group A and point lithium battery group B automatically, prioritizing selection stagnation pressure and the high point lithium battery group electric discharge of SOC, select stagnation pressure and the low point lithium battery group charging of SOC simultaneously; The stagnation pressure of such as point lithium battery group A and the height of SOC score lithium battery group B, the electric discharge relay closes of that point of lithium battery group A, starts electric discharge; Divide the charge relay of lithium battery group B to close, start charging.
2) when the SOC of point lithium battery group A drops to set point, divide lithium battery group A to discharge to terminate, automatically switch to point lithium battery group B to discharge, disconnect with time-division lithium battery group B charge relay, stop the charging of point lithium battery group B, divide lithium battery group A charge relay to close, start to charge to a point lithium battery group A;
3) when a point lithium battery group B is charged to SOC or monomer voltage is greater than set point, and at the end of point lithium battery group A electric discharge not yet, point lithium battery group B charge relay disconnects, point lithium battery group B stops charging, divide lithium battery group A charge relay to close, start to charge to a point lithium battery group A;
Above 2) after point lithium battery group A of a step and point lithium battery group B exchanges, also can be, 3):
21) when the SOC of point lithium battery group B drops to set point, divide lithium battery group B to discharge to terminate, automatically switch to point lithium battery group A to discharge, disconnect with time-division lithium battery group A charge relay, stop the charging of point lithium battery group A, divide lithium battery group B charge relay to close, start to charge to a point lithium battery group B;
31) when a point lithium battery group A is charged to SOC or monomer voltage is greater than set point, and at the end of point lithium battery group B electric discharge not yet, point lithium battery group A charge relay disconnects, point lithium battery group A stops charging, divide lithium battery group B charge relay to close, start to charge to a point lithium battery group B;
4) when the SOC of point lithium battery group A and point lithium battery group B is all less than set point, and during without charging, also namely when battery stagnation pressure is too low, total main control module starts buzzer warning, reminds user;
5) when a point lithium battery group A and point lithium battery group B does not discharge, and when the SOC of point lithium battery group A and point lithium battery group B or monomer voltage are greater than set point, charging terminates, and battery pack enters self-shield state;
6) when the SOC of point lithium battery group A and point lithium battery group B is all less than minimum set point, a point lithium battery group A and point lithium battery group B all stops electric discharge, and battery pack enters self-shield state.
Claims (1)
1. two lithium battery power supply power supplys of blood-collecting car and blood sampling mobile unit, is characterized in that:
There are two groups of chargeable point of lithium battery groups in parallel;
Every component lithium battery group is connected with a BMS respectively and is controlled by this BMS, each BMS is all connected with the communication modes of CAN within a total main control module, this total main control module is connected with the mode of CAN beyond the controller for solar of solar panel, and this total main control module also has the interface that the mode of carrying out outer CAN with direct-current charging post is connected;
Every component lithium battery group is all connected with the electric discharge interface of a high voltage control case, divide and be provided with electric discharge relay between lithium battery group and the electric discharge interface of high voltage control case, the high voltage control model calling in the BMS corresponding to this point of lithium battery group also controls this electric discharge relay;
Every component lithium battery group is all connected with a system charging inlet, divide and be provided with charge relay between lithium battery group and system charging inlet, high voltage control model calling in BMS corresponding to this point of lithium battery group also controls this charge relay, and system charging inlet can be connected with the controller for solar of solar panel and direct-current charging post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400249.7U CN204103525U (en) | 2014-07-18 | 2014-07-18 | Two lithium battery power supply power supplys of blood-collecting car and blood sampling mobile unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420400249.7U CN204103525U (en) | 2014-07-18 | 2014-07-18 | Two lithium battery power supply power supplys of blood-collecting car and blood sampling mobile unit |
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| Publication Number | Publication Date |
|---|---|
| CN204103525U true CN204103525U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420400249.7U Expired - Fee Related CN204103525U (en) | 2014-07-18 | 2014-07-18 | Two lithium battery power supply power supplys of blood-collecting car and blood sampling mobile unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877456A (en) * | 2017-04-10 | 2017-06-20 | 王振 | A kind of electric vehicle power sources system |
| CN107565628A (en) * | 2017-09-06 | 2018-01-09 | 安徽合力股份有限公司 | A kind of high-capacity lithium battery low-voltage direct charge control system and method |
| CN113300429A (en) * | 2021-05-17 | 2021-08-24 | 同济大学 | New and old and different model hybrid system of lithium cell for energy storage |
-
2014
- 2014-07-18 CN CN201420400249.7U patent/CN204103525U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877456A (en) * | 2017-04-10 | 2017-06-20 | 王振 | A kind of electric vehicle power sources system |
| CN106877456B (en) * | 2017-04-10 | 2023-11-14 | 王振 | Electric vehicle power supply system |
| CN107565628A (en) * | 2017-09-06 | 2018-01-09 | 安徽合力股份有限公司 | A kind of high-capacity lithium battery low-voltage direct charge control system and method |
| CN113300429A (en) * | 2021-05-17 | 2021-08-24 | 同济大学 | New and old and different model hybrid system of lithium cell for energy storage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170104 Address after: 101 Fujian Province, Jimei District, white rock road, No., unit 19, No. 361000 Patentee after: XIAMEN CHL NEW ENERGY CO., LTD. Address before: 304 Fujian Province, Jimei District, white rock road, No., unit 19, No. 361024 Patentee before: XIAMEN LUXUN ELECTRIC CONTROL CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20180718 |