CN204794309U - Blood -collecting car power supply system and use blood -collecting car of this system - Google Patents
Blood -collecting car power supply system and use blood -collecting car of this system Download PDFInfo
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- CN204794309U CN204794309U CN201520302859.8U CN201520302859U CN204794309U CN 204794309 U CN204794309 U CN 204794309U CN 201520302859 U CN201520302859 U CN 201520302859U CN 204794309 U CN204794309 U CN 204794309U
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Abstract
The utility model discloses a blood -collecting car power supply system and use blood -collecting car of this system, including being used for the dc bus of supplying power for the DC load and being used for the ac bus for the alternating load power supply, be connected with storage battery on the dc bus, ac bus is connected with being used for the external power supply and the alternator that provide the commercial power through a change over switch, be connected with on the dc bus to be used for the car generator continuous with the engine, and ac bus links to each other through the contravariant all -in -one with the dc bus. The utility model discloses a blood -collecting car power supply system and use blood -collecting car of this system utilizes car generator to be expert at the vehicle -hour to charge for storage battery to supply power for the load, utilize the power supply of external power supply or alternator when parkking, it is out of order and when not having external commercial power at alternator, utilize storage battery to supply power for the load, it supply power diversifiedly, can be at stable system voltage, under furthest saves oil -fired prerequisite, satisfy that the blood -collecting car is handed over, the DC load incessant power demand for a long time.
Description
Technical field
The utility model relates to a kind of blood-collecting car electric power system and uses the blood-collecting car of this system.
Background technology
Blood-collecting car is a kind of special-purpose vehicle of specific type, and this vehicle is equipped with blood sampling and the special facilities of publicity of donating blood, and possesses registration, takes a blood sample, three subregions of having a rest, be respectively used to blood collection, chemical examination, storage, publicity of transporting and donate blood in car.In blood sampling and transportation, blood should remain on (3-8) DEG C as requested, and blood plasma stores under must remaining on the environment feelings of (-23 DEG C).Therefore need special blood, blood plasma cold storage refrigerator preserves, and these equipment need the AC power of stable AC220V50Hz to power incessantly for it provides.This just requires that blood-collecting car is furnished with perfect electric power system, makes it no matter to be when driving a vehicle or stop, and can be its supply stable power.Because the not stationarity of blood sampling point, cause the mobility of blood-collecting car comparatively large, bring very large difficulty to the access of the power supply of blood sampling apparatus.Particularly when comparatively remote blood sampling point is taken a blood sample, external AC power supply is not substantially just had to access.
Current blood-collecting car power supply is on the market in order to solve above difficulty, and diesel engine generator (5-15) KVA installed by each blood-collecting car below car body, and after arrival blood sampling point, unlatching diesel engine generator generates electricity and provides the alternating current of AC220V.But in the winter time because temperature is low, the startup of diesel engine generator is more difficult, and the long period can not generate electricity, affect to blood sampling in time.In addition, during blood-collecting car runs, diesel engine generator generally can not work generating, and long distance running can not ensure the temperature requirement of blood storage box, and operation cost is higher.
Therefore, how to solve coupling and the line design of blood-collecting car car load power circuit, can systems stabilisation voltage, under saving the prerequisite of fuel oil to greatest extent, perform the powerup issue of the alternating current-direct current load of blood-collecting car, become the technical problem underlying of blood-collecting car electric power system.
Chinese Patent Application No. CN201410344461.0 discloses electric supply installation and the supply power mode of a kind of blood-collecting car and blood sampling mobile unit, comprise car body and be arranged on the use electric loading in car body, be provided with chargeable lithium cell group in car body, lithium battery group is connected with by electric loading and is electricity consumption load supplying; Be provided with solar panel outside car body, solar panel is connected with lithium battery group for lithium battery group is charged; Lithium battery group can be connected with direct-current charging post and be charged by direct-current charging post.This electric power system depends on solar panel and external power supply is powered to load and lithium battery group, but if cannot external power supply and weather condition when cannot charge the battery for a long time, the supply of electric power of vehicle just cannot meet instructions for use.
Utility model content
The purpose of this utility model is to provide a kind of blood-collecting car electric power system, can at systems stabilisation voltage, under saving the prerequisite of fuel oil to greatest extent, meet the long-time continual power demands of blood-collecting car alternating current-direct current load, a kind of blood-collecting car using above-mentioned electric power system is provided simultaneously.
In order to realize above object, the technical scheme that the utility model adopts is: a kind of blood-collecting car electric power system, comprise the DC bus for powering for DC load and the ac bus for powering for AC load, described DC bus is connected with batteries, described ac bus is connected with the external power supply and alternating current generator for providing civil power by a change over switch, DC bus is connected with the mobile generator for being connected with engine, and ac bus is connected by integrated machine for reverse conversion with DC bus.
Described batteries comprises main storage battery and secondary storage battery, is connected with one for cutting off major and minor storage battery when stopping and the insulation blocking switch of isolating mutually between main storage battery and secondary storage battery.
Described insulation blocking switch is relay, the contact of this relay is connected on the DC bus between main storage battery and secondary storage battery, and DC bus is divided into the first power-feed section and the second power-feed section, secondary storage battery is connected on the DC bus of the first power-feed section, and main storage battery and mobile generator are connected on the DC bus of the second power-feed section; The DC bus of the second power-feed section is also connected with the coil of starting switch, the contactor control circuit of this starting switch is connected with the coil of insulation blocking switch relay.
A control switch is connected with between the DC bus of described first power-feed section and the coil of insulation blocking switch relay.
Described change over switch and be provided with lightning protection device between the socket that is connected with external power supply.
A kind of blood-collecting car, comprise the electric power system of the DC load be installed in car body, AC load and load, the ac bus that described electric power system comprises the DC bus of powering for DC load and powers for AC load, described DC bus is connected with batteries, described ac bus is connected with the external power supply and alternating current generator for providing civil power by a change over switch, DC bus is connected with the mobile generator for being connected with engine, and ac bus is connected by integrated machine for reverse conversion with DC bus.
Described batteries comprises main storage battery and secondary storage battery, is connected with one for cutting off major and minor storage battery when stopping and the insulation blocking switch of isolating mutually between main storage battery and secondary storage battery.
Described insulation blocking switch is relay, the contact of this relay is connected on the DC bus between main storage battery and secondary storage battery, and DC bus is divided into the first power-feed section and the second power-feed section, secondary storage battery is connected on the DC bus of the first power-feed section, and main storage battery and mobile generator are connected on the DC bus of the second power-feed section; The DC bus of the second power-feed section is also connected with the coil of starting switch, the contactor control circuit of this starting switch is connected with the coil of insulation blocking switch relay.
A control switch is connected with between the DC bus of described first power-feed section and the coil of insulation blocking switch relay.
Described change over switch and be provided with lightning protection device between the socket that is connected with external power supply.
Blood-collecting car electric power system of the present utility model and use the blood-collecting car of this system to utilize mobile generator to be battery charging when driving a vehicle, and powering load; External power supply or alternating current generator is utilized to power when stopping, when alternating current generator has fault and do not have external civil power, utilize batteries for load supplying, its variation of powering, can at systems stabilisation voltage, under saving the prerequisite of fuel oil to greatest extent, meet the long-time continual power demands of blood-collecting car alternating current-direct current load.
Batteries has main storage battery and secondary storage battery; insulation blocking switch is set between major and minor storage battery; automatically major and minor storage battery is cut off and isolation mutually during parking; battery can not produce in-fighting because of directly in parallel; increasing storage battery service life, avoids using for a long time when stopping and causes the phenomenon of main storage battery power shortage.
In addition, control switch is set to realize starting vehicle by secondary storage battery when main storage battery fault.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model blood-collecting car electric power system;
Fig. 2 is DC power-supply system structural representation.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.
Be illustrated in figure 1 the schematic diagram of the utility model blood-collecting car electric power system, comprise the DC bus for powering for DC load and the ac bus for powering for AC load, DC bus is connected with batteries, ac bus is connected with the external power supply and alternating current generator for providing civil power by a change over switch, DC bus is connected with the mobile generator for being connected with driving engine, and ac bus is connected by integrated machine for reverse conversion with DC bus.
The change over switch of the present embodiment, for changing two-way with power source, controls the input mode of the input power supply of A.C. distribution box panel by the contact of change over switch, namely select civil power input or alternating current generator input; Integrated machine for reverse conversion is used for that alternating current is converted to direct current and powers to DC load; Or direct current is converted to alternating current powers to AC load.
Further, as shown in Figure 2, batteries comprises the secondary storage battery 1 as on-vehicle battery and the main storage battery 2 as engine start, one is connected with for cutting off major and minor storage battery when stopping and the insulation blocking switch 5 of isolating mutually between main storage battery and secondary storage battery, the major function of this insulation blocking switch is: when vehicle travels, insulation blocking switch closes, and gives the charging of major-minor storage battery respectively by mobile generator; Automatically cut off major and minor storage battery during parking and mutually isolation, storage battery can not produce in-fighting because of directly in parallel, avoids using for a long time when stopping and causes the phenomenon of main storage battery power shortage, increasing storage battery service life.
Insulation blocking switch 5 adopts relay, the contact of this relay is connected on the DC bus between main storage battery and secondary storage battery, and DC bus is divided into the first power-feed section and the second power-feed section, secondary storage battery is connected on the DC bus of the first power-feed section, and main storage battery 2 and mobile generator 3 are connected on the DC bus of the second power-feed section; The DC bus of the second power-feed section is also connected with the coil of starting switch 4, the contactor control circuit of this starting switch is connected with the coil of insulation blocking switch relay.
Further; a control switch 6 is connected with between the DC bus of the first power-feed section and the coil of insulation blocking switch relay; the major function of this control switch is when main storage battery 2 fault, by this switch, the electric energy of secondary storage battery can be supplied to engine, start vehicle by secondary storage battery 1.
In addition, secondary storage battery is provided with storage battery status monitor, in real time the electricity of the secondary storage battery of monitoring, sterilamp is controlled by timing switch, realizes on-delay and power cut off delay two states, achieves the operating state of " nobody looks after ".
For ensureing the fail safe of circuit further, be provided with lightning protection device at change over switch with between the socket that is connected with external power supply; First power-feed section and the second power-feed section all arrange fuse; On the contactor control circuit of starting switch and on the circuit of control switch 6, diode is set.
AC load in the present embodiment comprises air-conditioning, illumination, refrigerator, socket and promotional system etc.; DC load comprises hand washing sink, illuminating lamp, audiovisual system etc.
The utility model additionally provides one, and comprise the electric power system of the DC load be installed in car body, AC load and load, the structure of described electric power system is described above.
Operation principle and the process of the utility model blood-collecting car electric power system are as follows:
1) vehicle is when driving states, be generally that starter (not shown) is powered ato unit by main storage battery, now the coil of starting switch 4 is charged, its normally opened contact closed, make the coil of insulation blocking switch 5 charged, normally opened contact closes; And when main storage battery fault, Closed control switch 6 makes the coil of insulation blocking switch 5 charged, thus its contact closed, now the electric energy of secondary storage battery can be supplied to starter, start vehicle by secondary storage battery; After vehicle launch, driven by engine mobile generator is that major and minor storage battery charges simultaneously, and powers for DC load, and mobile generator changes direct current into alternating current by integrated machine for reverse conversion is simultaneously that AC load is powered;
2) when blood-collecting car stops, engine and mobile generator quit work, and insulation blocking switch 5 disconnects, then major and minor storage battery disconnects automatically, avoid using for a long time during parking and cause the phenomenon of main storage battery power shortage; Now switch supply power mode by change over switch, utilize alternating current generator or external power supply to provide stabilized power supply for vehicle load, and alternating current to be converted to direct current through integrated machine for reverse conversion be that DC load is powered and charged for secondary storage battery simultaneously;
3) when alternating current generator has fault and under not having external civil power situation, illuminator in blood-collecting car and low power consumption power consumption equipment are powered by batteries, now DC load is directly powered by secondary storage battery, is powered by the electric energy of secondary storage battery by giving AC load (refrigerator, promotional system) after integrated machine for reverse conversion inversion simultaneously.
Above embodiment only understands core concept of the present utility model for helping; the utility model can not be limited with this; for those skilled in the art; every according to thought of the present utility model; the utility model is modified or equivalent replacement; any change done in specific embodiments and applications, all should be included within protection range of the present utility model.
Claims (10)
1. a blood-collecting car electric power system, comprise the DC bus for powering for DC load and the ac bus for powering for AC load, described DC bus is connected with batteries, it is characterized in that: described ac bus is connected with the external power supply and alternating current generator for providing civil power by a change over switch, DC bus is connected with the mobile generator for being connected with engine, and ac bus is connected by integrated machine for reverse conversion with DC bus.
2. blood-collecting car electric power system according to claim 1, is characterized in that: described batteries comprises main storage battery and secondary storage battery, is connected with one for cutting off major and minor storage battery when stopping and the insulation blocking switch of isolating mutually between main storage battery and secondary storage battery.
3. blood-collecting car electric power system according to claim 2, it is characterized in that: described insulation blocking switch is relay, the contact of this relay is connected on the DC bus between main storage battery and secondary storage battery, and DC bus is divided into the first power-feed section and the second power-feed section, secondary storage battery is connected on the DC bus of the first power-feed section, and main storage battery and mobile generator are connected on the DC bus of the second power-feed section; The DC bus of the second power-feed section is also connected with the coil of starting switch, the contactor control circuit of this starting switch is connected with the coil of insulation blocking switch relay.
4. blood-collecting car electric power system according to claim 3, is characterized in that: be connected with a control switch between the DC bus of described first power-feed section and the coil of insulation blocking switch relay.
5. the blood-collecting car electric power system according to Claims 1 to 4 any one, is characterized in that: described change over switch and be provided with lightning protection device between the socket that is connected with external power supply.
6. a blood-collecting car, comprise the electric power system of the DC load be installed in car body, AC load and load, the ac bus that described electric power system comprises the DC bus of powering for DC load and powers for AC load, described DC bus is connected with batteries, it is characterized in that: described ac bus is connected with the external power supply and alternating current generator for providing civil power by a change over switch, DC bus is connected with the mobile generator for being connected with engine, and ac bus is connected by integrated machine for reverse conversion with DC bus.
7. blood-collecting car according to claim 6, is characterized in that: described batteries comprises main storage battery and secondary storage battery, is connected with one for cutting off major and minor storage battery when stopping and the insulation blocking switch of isolating mutually between main storage battery and secondary storage battery.
8. blood-collecting car according to claim 7, it is characterized in that: described insulation blocking switch is relay, the contact of this relay is connected on the DC bus between main storage battery and secondary storage battery, and DC bus is divided into the first power-feed section and the second power-feed section, secondary storage battery is connected on the DC bus of the first power-feed section, and main storage battery and mobile generator are connected on the DC bus of the second power-feed section; The DC bus of the second power-feed section is also connected with the coil of starting switch, the contactor control circuit of this starting switch is connected with the coil of insulation blocking switch relay.
9. blood-collecting car according to claim 8, is characterized in that: be connected with a control switch between the DC bus of described first power-feed section and the coil of insulation blocking switch relay.
10. the blood-collecting car according to claim 6 ~ 9 any one, is characterized in that: described change over switch and be provided with lightning protection device between the socket that is connected with external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520302859.8U CN204794309U (en) | 2015-05-12 | 2015-05-12 | Blood -collecting car power supply system and use blood -collecting car of this system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520302859.8U CN204794309U (en) | 2015-05-12 | 2015-05-12 | Blood -collecting car power supply system and use blood -collecting car of this system |
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| Publication Number | Publication Date |
|---|---|
| CN204794309U true CN204794309U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520302859.8U Expired - Fee Related CN204794309U (en) | 2015-05-12 | 2015-05-12 | Blood -collecting car power supply system and use blood -collecting car of this system |
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| CN (1) | CN204794309U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901406A (en) * | 2015-05-12 | 2015-09-09 | 郑州宇通客车股份有限公司 | Blood collecting vehicle power supply system and blood collecting vehicle with system |
| CN107585222A (en) * | 2017-10-18 | 2018-01-16 | 长沙冰眼电子科技有限公司 | Unmanned scout car |
| CN108202575A (en) * | 2016-12-16 | 2018-06-26 | 比亚迪股份有限公司 | A kind of electronic refrigerator car electric power system and its control method, electronic refrigerator car |
-
2015
- 2015-05-12 CN CN201520302859.8U patent/CN204794309U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901406A (en) * | 2015-05-12 | 2015-09-09 | 郑州宇通客车股份有限公司 | Blood collecting vehicle power supply system and blood collecting vehicle with system |
| CN104901406B (en) * | 2015-05-12 | 2018-08-03 | 郑州宇通客车股份有限公司 | A kind of blood-collecting car power supply system and the blood-collecting car using the system |
| CN108202575A (en) * | 2016-12-16 | 2018-06-26 | 比亚迪股份有限公司 | A kind of electronic refrigerator car electric power system and its control method, electronic refrigerator car |
| CN107585222A (en) * | 2017-10-18 | 2018-01-16 | 长沙冰眼电子科技有限公司 | Unmanned scout car |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20180512 |
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| CF01 | Termination of patent right due to non-payment of annual fee |