CN203769923U - Expansion tank, engine cooling system and vehicle - Google Patents
Expansion tank, engine cooling system and vehicle Download PDFInfo
- Publication number
- CN203769923U CN203769923U CN201420172056.0U CN201420172056U CN203769923U CN 203769923 U CN203769923 U CN 203769923U CN 201420172056 U CN201420172056 U CN 201420172056U CN 203769923 U CN203769923 U CN 203769923U
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- liquid level
- water tank
- swelling water
- limiter tube
- cooling system
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Abstract
The utility model discloses an expansion tank, an engine cooling system and a vehicle. The expansion tank comprises a tank body (1), wherein the top of the tank body (1) is provided with an opening. The expansion tank further comprises a liquid level limiting pipe (2), the lower end of the liquid level limiting pipe (2) stretches into the tank body (1) and extends downwards to reach the highest allowable liquid level of the expansion tank, the upper end of the liquid level limiting pipe (2) stretches out of the tank body (1) through the opening, and the liquid level limiting pipe (2) is in sealed connection with the opening; the engine cooling system comprises the expansion tank; the vehicle comprises the engine cooling system. The expansion tank assists an operator in conveniently judging that the liquid level in the expansion tank has reached the highest allowable liquid level when cooling liquid is added into the expansion tank by arranging the liquid level limiting pipe, and is beneficial for preventing the cooling liquid from being added too much and exceeding the highest allowable liquid level.
Description
Technical field
The utility model relates to vehicular field, particularly, relates to a kind of swelling water tank, engine-cooling system and vehicle.
Background technique
The effect of engine-cooling system is the part heat absorption producing when motor is moved and distributes in time, and conventionally, engine-cooling system comprises radiator, water pump, fan, thermostat, temperature transducer and swelling water tank etc.In engine operation process, coolant temperature in engine-cooling system rises, expanded by heating, and when moving as engine stop, coolant temperature in engine-cooling system declines, volume reduces, in order to adapt to this Volume Changes of cooling liquid in engine-cooling system, and the swelling water tank that therefore setting communicates with radiator and motor in engine-cooling system conventionally.
Specifically, when the cooling liquid volume in engine-cooling system becomes large, part cooling liquid can flow in swelling water tank and store; And when coolant temperature declines, the cooling liquid in swelling water tank can be automatically again in inflow radiator, to supplement.Sometimes, in the time of need to supplementing the cooling liquid in engine-cooling system, operator can inject swelling water tank by cooling liquid; Owing to needing to leave certain expansion space in swelling water tank, therefore, in swelling water tank, the liquid level height of cooling liquid has certain limitation, swelling water tank has the highest permission liquid level in other words, this the highest permission liquid level is the maximum allowable height of liquid level in swelling water tank, if the height of cooling liquid surpasses this highest permission liquid level, cannot guarantee the normal work of engine-cooling system; Therefore, operator, when injecting cooling liquid in swelling water tank, need to guarantee that the liquid level of cooling liquid can not surpass the highest permission liquid level.
In Fig. 1 and Fig. 2, shown respectively a kind of mode of execution according to the swelling water tank of prior art, in the mode of execution of Fig. 1, in swelling water tank, be provided with retroreflective sheet 1 ' being positioned at the highest permission liquid level place, when coolant injection arrives the highest permission liquid level place, by light reflection operator, can observe the situation of current liquid level; In the mode of execution of Fig. 2, in swelling water tank one side, level meter 2 ' is set, the top and bottom of this level meter 2 ' and swelling water tank internal communication, liquid level height in level meter 2 ' is the liquid level height in swelling water tank, and operator can judge the liquid level in swelling water tank by level meter 2 '.The defect of above two kinds of mode of executions is, the first, and due to the restriction of spatial position, swelling water tank may be arranged on the inside such as engine hood or operator cabin, and now, operator cannot observe described retroreflective sheet 1 ' and described level meter 2 ' well; The second, when adding inject cooling liquid, operator need to think and control cooling liquid addition according to described retroreflective sheet 1 ' or described level meter 2 ', are easy to add too much cooling liquid and make the liquid level in swelling water tank surpass the highest permission liquid level.
Therefore, need to provide a kind of technological scheme that can overcome above-mentioned defect.
Model utility content
The purpose of this utility model is to provide a kind of swelling water tank, and this swelling water tank has been reached the highest permission liquid level and has been conducive to avoid coolant injection to too much surpassing the highest permission liquid level by the liquid level that liquid level limiter tube is set helps operator to judge easily when adding inject cooling liquid in swelling water tank in swelling water tank.
To achieve these goals, the utility model provides a kind of swelling water tank, this swelling water tank comprises casing, the top of this casing is formed with opening, this swelling water tank also comprises liquid level limiter tube, the lower end of this liquid level limiter tube extend in described casing and extends downward the highest permission liquid level place that reaches less described swelling water tank, and upper end extend out to outside described casing by described opening, and forms and be tightly connected between this liquid level limiter tube and described opening.
Preferably, the lower end of described liquid level limiter tube is lower than the highest described permission liquid level.
Preferably, in described liquid level limiter tube, at the upper end near this liquid level limiter tube, be provided with filter screen.
Preferably, the part that is positioned at the described casing external world of described liquid level limiter tube is transparent or translucent portion.
Preferably, this swelling water tank also comprises low liquid level warning unit, and this low liquid level warning unit comprises alarm and the liquid level detector that is positioned at described lower box, and described liquid level detector is electrically connected to described alarm.
Preferably, this swelling water tank comprises pressure cover, and this pressure cover is removably mounted on the top of described liquid level limiter tube, and is provided with relief opening on described pressure cover.
The utility model also provides a kind of engine-cooling system, and this engine-cooling system comprises swelling water tank, and described swelling water tank is according to swelling water tank of the present utility model.
In addition, the utility model also provides a kind of vehicle, and this vehicle comprises according to engine-cooling system of the present utility model.
The utility model provides a kind of swelling water tank, this swelling water tank is provided with liquid level limiter tube, need to be when adding inject cooling liquid in described swelling water tank, operator inject cooling liquid from the upper end open of described liquid level limiter tube in swelling water tank, height until cooling liquid in casing reaches behind the lower end of liquid level limiter tube, part in swelling water tank except liquid level limiter tube forms the confined space that contains certain gas, along with continuing to inject cooling liquid, air pressure in described confined space increases, the liquid level rate of climb in liquid level limiter tube is much larger than the liquid level rate of climb in described confined space, even if the liquid level ascensional range described in when the liquid level in liquid level limiter tube has risen to upper end open place in confined space is still very little, substantially can ignore, therefore, on the one hand, operator can judge easily by the rising of liquid level in the liquid level limiter tube that can obviously observe in casing liquid level reached described in the highest permission liquid level, on the other hand, because the injection meeting of the air pressure in described confined space along with cooling liquid constantly raises, the liquid level rate of climb in liquid level limiter tube is much larger than the liquid level rate of climb in described confined space, when even the liquid level in liquid level limiter tube has reached the top, gap between liquid level height in described confined space and the highest described permission liquid level is also still very little, substantially can ignore, be conducive to avoid coolant injection to too much surpassing the highest permission liquid level.
Other feature and advantage of the present utility model partly in detail are described the embodiment subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is according to the schematic diagram of a kind of mode of execution of the swelling water tank of prior art;
Fig. 2 is according to the schematic diagram of the another kind of mode of execution of the swelling water tank of prior art;
Fig. 3 is the schematic diagram according to swelling water tank of the present utility model;
Fig. 4 is another schematic diagram of the swelling water tank in Fig. 3.
Description of reference numerals
1 ' retroreflective sheet 2 ' level meter
1 casing 2 liquid level limiter tubes
3 top cover 4 relief openings
5 ventilating holes
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be understood that, embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that not doing contrary explanation, the noun of locality of use is as undefined in the normal service condition of swelling water tank that " upper and lower " normally provides at the utility model, and also with consistent with reference to direction shown in accompanying drawing; " inside and outside " refers to inside and outside with respect to the profile of each parts itself; And wherein, " the highest permission liquid level " refers to the maximum allowable height of liquid level in swelling water tank, can effectively guarantee the highest liquid level of the swelling water tank of the normal work of engine-cooling system.
The utility model relates to a kind of swelling water tank, this swelling water tank comprises casing 1, the top of this casing 1 is formed with opening, this swelling water tank also comprises liquid level limiter tube 2, the lower end of this liquid level limiter tube 2 extend in described casing 1 and extends downward the highest permission liquid level place that reaches less described swelling water tank, upper end extend out to outside described casing 1 by described opening, and forms and be tightly connected between this liquid level limiter tube 2 and described opening.
Swelling water tank of the present utility model is owing to being provided with liquid level limiter tube 2, need to be when adding inject cooling liquid in swelling water tank, operator are from the upper end open of described liquid level limiter tube 2 to the interior injection cooling liquid of casing 1, height until casing 1 interior cooling liquid reaches behind the lower end of liquid level limiter tube 2, part in casing 1 except liquid level limiter tube 2 forms the confined space that contains certain gas, along with operator continue to inject cooling liquid, air pressure in described confined space increases, the liquid level rate of climb in liquid level limiter tube 2 is by the liquid level rate of climb in described confined space, even if the liquid level ascensional range described in when the liquid level in liquid level limiter tube 2 has risen to upper end open place in confined space is still very little, substantially can ignore, therefore, on the one hand, operator can be by the liquid level limiter tube 2 interior liquid levels that can obviously observe rising and judge quickly and easily the interior liquid level of casing 1 reached described in the highest permission liquid level, on the other hand, because the injection meeting of the air pressure in described confined space along with cooling liquid constantly raises, the liquid level rate of climb in liquid level limiter tube 2 is much larger than the liquid level rate of climb in described confined space, when even the liquid level in liquid level limiter tube 2 has reached the top, gap between liquid level height in described confined space and the highest described permission liquid level is also still very little, substantially can ignore, be conducive to avoid coolant injection to too much surpassing the highest permission liquid level.
Refer now to Fig. 4, by calculating, further illustrate advantage of the present utility model.As shown in Figure 4, suppose in this mode of execution, the lower end of liquid level limiter tube 2 is concordant with the highest permission liquid level of this swelling water tank, the cross-section area of the along continuous straight runs of swelling water tank is S, the cross-section area of the along continuous straight runs of liquid level limiter tube 2 is S1, and the height that liquid level limiter tube 2 is positioned at swelling water tank inside is that h(is that the lower end of liquid level limiter tube 2 is h to the perpendicular distance of casing 1 roof), the density of cooling liquid is ρ, and ambient pressure is P0, and the cooling liquid height that ambient pressure can be supported is H, has P0=ρ gH, and suppose that the liquid level height of liquid level limiter tube 2 now reaches the roof place of casing 1, be that the part that liquid level limiter tube 2 is arranged in this swelling water tank is full of cooling liquid, and now the interior liquid level height of casing 1 surpasses the highest permission liquid level ha of this swelling water tank, and the air pressure in the described confined space of casing 1 is P1, according to the air pressure relation in extraneous and described confined space, can obtain P1/P0=[(S-S1 so) h]/[(S-S1) (h-ha)]=h/ (h-ha), push over to obtain P1-P0=[ha/ (h-ha)] P0, again due to ρ g (h-ha)=P1-P0, therefore obtain ρ g (h-ha)=[ha/ (h-ha)] P0, push over to obtain (h-ha) 2/ha=P0/ (ρ g), bring P0=ρ gH into above formula (h-ha) 2/ha=P0/ (ρ g), obtain (h-ha) 2/ha=H, suppose that cooling liquid is water, P0 is a standard atmospheric pressure, there is H=10336mm, generally, h can reach tens millimeters, for example, suppose h=65mm, calculate so ha=0.4mm, , when cooling liquid has been annotated while reaching the roof place of casing 1 to the liquid level of liquid level limiter tube 2 (now operator can be easily and obviously observed the liquid level in liquid level limiter tube 2), in described seal space, liquid level height only surpasses the highest permission liquid level 0.4mm, the height difference of 0.4mm is apart from not exerting an influence to the normal work of engine-cooling system, substantially can ignore.
Certainly, preferably, lower end that can liquid level limiter tube 2 is set to lower than the highest described permission liquid level, for example, it will be understood by those skilled in the art that, swelling water tank for a certain specific standard, can rise near the liquid level in a certain specific location in top and casing 1 and stretch into the degree of depth in water tank 1 in liquid level limiter tube 2 lower ends of these two conditions of the highest described permission liquid level place by calculate the liquid level meeting in liquid level limiter tube 2 simultaneously, and according to calculating acquired results, liquid level limiter tube 2 is set, and, preferably, can also carry out the liquid level that design improvement observes in liquid level limiter tube 2 quickly and easily with easy-to-operat personnel in described a certain specific location and rise to described a certain specific location, then stop adding inject cooling liquid.
For example, preferably, in liquid level limiter tube 2, at the upper end near this liquid level limiter tube 2, can be provided with filter screen, filter screen can filter to prevent that impurity from adding to the cooling liquid of injecting in swelling water tank on the one hand, can also play scale effect on the other hand, be conducive to operator and obviously observe liquid level and reached requirement.Again for example, preferably, the part that is positioned at casing 1 external world of liquid level limiter tube 2 is transparent or translucent portion, and described transparent and translucent portion can easy-to-operat personnel be observed the rising of liquid level, rationally controls the addition of cooling liquid.Certainly, thus it will be appreciated by persons skilled in the art that can also adopt other to be applicable to arbitrarily optimal design reaches easy-to-operat personnel and observe the interior liquid level of liquid level limiter tube 2 and change the method for rationally controlling cooling liquid addition.
In addition, swelling water tank of the present utility model can also comprise low liquid level warning unit, this low liquid level warning unit comprises alarm and is positioned at the liquid level detector of described casing 1 bottom, described liquid level detector is electrically connected to described alarm, liquid level in liquid level detector detects swelling water tank is during lower than warning stage, transmission of electric signals is to alarm, and the alarm alarm signal such as sound, to remind staff to supplement cooling liquid.
And described swelling water tank can also comprise pressure cover 3, this pressure cover 3 is removably mounted on the top of described liquid level limiter tube 2, and is provided with relief opening 4 on described pressure cover 3; On the sidewall of described swelling water tank, be also provided with two ventilating holes 5, to be communicated with motor and heat dissipation tank respectively, the steam in motor and heat dissipation tank enters in swelling water tank by described ventilating hole 5, then by relief opening 4, is discharged outside to.
The utility model also provides a kind of engine-cooling system, and this engine-cooling system comprises swelling water tank, and described swelling water tank is according to swelling water tank of the present utility model.
And the utility model also provides a kind of vehicle, this vehicle comprises according to engine-cooling system of the present utility model.
Below describe by reference to the accompanying drawings preferred implementation of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can combine by any suitable mode, for fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, between various mode of execution of the present utility model, also can carry out combination in any, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (8)
1. a swelling water tank, this swelling water tank comprises casing (1), it is characterized in that, the top of this casing (1) is formed with opening, this swelling water tank also comprises liquid level limiter tube (2), the lower end of this liquid level limiter tube (2) extend in described casing (1) and extends downward the highest permission liquid level place that reaches less described swelling water tank, and upper end extend out to outside described casing (1) by described opening, and forms and be tightly connected between this liquid level limiter tube (2) and described opening.
2. swelling water tank according to claim 1, is characterized in that, the lower end of described liquid level limiter tube (2) is lower than the highest described permission liquid level.
3. swelling water tank according to claim 1, is characterized in that, in described liquid level limiter tube (2), at the upper end near this liquid level limiter tube (2), is provided with filter screen.
4. swelling water tank according to claim 1, is characterized in that, the part that is positioned at described casing (1) external world of described liquid level limiter tube (2) is transparent or translucent portion.
5. according to the swelling water tank described in any one in claim 1-4, it is characterized in that, this swelling water tank also comprises low liquid level warning unit, this low liquid level warning unit comprises alarm and the liquid level detector that is positioned at described casing (1) bottom, and described liquid level detector is electrically connected to described alarm.
6. according to the swelling water tank described in any one in claim 1-4, it is characterized in that, this swelling water tank comprises pressure cover (3), and this pressure cover (3) is removably mounted on the top of described liquid level limiter tube (2), and is provided with relief opening (4) on described pressure cover (3).
7. an engine-cooling system, this engine-cooling system comprises swelling water tank, it is characterized in that, described swelling water tank is according to the swelling water tank described in any one in claim 1-6.
8. a vehicle, is characterized in that, this vehicle comprises engine-cooling system according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420172056.0U CN203769923U (en) | 2014-04-10 | 2014-04-10 | Expansion tank, engine cooling system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420172056.0U CN203769923U (en) | 2014-04-10 | 2014-04-10 | Expansion tank, engine cooling system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203769923U true CN203769923U (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420172056.0U Expired - Fee Related CN203769923U (en) | 2014-04-10 | 2014-04-10 | Expansion tank, engine cooling system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203769923U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201631A (en) * | 2015-10-16 | 2015-12-30 | 安徽江淮汽车股份有限公司 | Engine cooling system including double expansion tanks |
| CN109184894A (en) * | 2018-09-25 | 2019-01-11 | 广东博昊实业集团有限公司 | Engine cooling apparatus |
| CN111980796A (en) * | 2020-09-02 | 2020-11-24 | 潍柴动力股份有限公司 | Cooling liquid filling control method and device |
-
2014
- 2014-04-10 CN CN201420172056.0U patent/CN203769923U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201631A (en) * | 2015-10-16 | 2015-12-30 | 安徽江淮汽车股份有限公司 | Engine cooling system including double expansion tanks |
| CN109184894A (en) * | 2018-09-25 | 2019-01-11 | 广东博昊实业集团有限公司 | Engine cooling apparatus |
| CN109184894B (en) * | 2018-09-25 | 2020-10-23 | 扬州泰鹏冷却器有限公司 | Engine cooling device |
| CN111980796A (en) * | 2020-09-02 | 2020-11-24 | 潍柴动力股份有限公司 | Cooling liquid filling control method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140813 Termination date: 20160410 |