CN204212839U - A kind of heating arrangement of urea casing - Google Patents
A kind of heating arrangement of urea casing Download PDFInfo
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- CN204212839U CN204212839U CN201420611648.8U CN201420611648U CN204212839U CN 204212839 U CN204212839 U CN 204212839U CN 201420611648 U CN201420611648 U CN 201420611648U CN 204212839 U CN204212839 U CN 204212839U
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- urea
- box body
- heater band
- diapire
- urea box
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Abstract
The utility model relates to a kind of heating arrangement of urea casing, the top of urea box body is provided with the filler pipe of the inner chamber filling urea liquid to urea box body, the top of urea box body is provided with outlet valve, the outlet of outlet valve is connected with outlet pipe, the upper end outlet of outlet pipe is connected with the upper end-hole of filler pipe, in the middle part of the diapire of urea box body, urea pump is installed, the power supply wire harness of urea pump is drawn below the diapire of urea box body, the diapire of urea box body is distributed with two or more and is injection molded into nibs, respectively be injection molded in nibs to be welded with heater band respectively and nibs will be injection molded into and close, the power supply wire harness of each heater band is drawn from the below being injection molded into nibs respectively.The periphery of heater band is enclosed with high density polyethylene (HDPE) clad respectively and combines together with the diapire of urea box body.This structure heater band can be arranged in any heating less than position, cabinet design by the freezing impact of urea, does not also reduce the requirement of minimum filling volume simultaneously.
Description
Technical field
The utility model relates to a kind of urea box of diesel-oil vehicle, particularly a kind of heating arrangement of urea casing.
Background technique
Because environmental protection department of various countries proposes more and more higher requirement to the nitrogen oxides pollution thing discharge amount reducing diesel engine, engine production business brings into use SCR technology (Selective Catalytic Reduction Technology selective catalytic reduction technology) to reach the requirement of environmental administration.It is the article of consumption must used in SCR technology that diesel engine vent gas treatment fluid is commonly called as automobile urea.
Urea liquid is stored in urea box, and the constituent of urea liquid is high-purity urea of 32.5% and the deionized water of 67.5%.The top of urea box body is provided with the filler pipe of the inner chamber filling urea liquid to urea box body, the top of urea box body is provided with outlet valve, the outlet of outlet valve is connected with outlet pipe, the upper end outlet of outlet pipe is connected with the upper end-hole of filler pipe, be provided with urea pump in the middle part of the diapire of urea box body, the power supply wire harness of urea pump is drawn below the diapire of urea box body.Because urea liquid freezes-11 DEG C time, after freezing, system cannot work, and therefore urea casing needs to possess heating function.
Technology conventional is at present rubber electric-heating-wire-heating mode and thermistor heat block mode of heating.Rubber electric-heating-wire-heating is the bottom rubber containing electric heating wire being distributed to urea casing, supplies electric heating by pump to it.Thermistor heat block mode of heating is that thermistor is integrated on urea pump, supplies electric heating by urea pump to it.
The thermistor scheme advantage be integrated on urea pump is that the level of integration of pump is high, and pump is powered conveniently to heat block, can reduce welding or assembly process, raise the efficiency.Also there is following shortcoming simultaneously, because heat block is integrated on urea pump, can only heat local around urea pump, if when in casing, urea volume is lower than certain value, and vehicle freezes under inclination conditions, heat block cannot carry out heating to it and cause thrashing, and therefore the program requires very high to the profile design of casing, substantially increases minimum filling volume requirement simultaneously.
Model utility content
The purpose of this utility model is, overcomes problems of the prior art, provides a kind of heating arrangement of urea casing, reliably can heat ice cube when icing of urea solution.
For solving above technical problem, the heating arrangement of a kind of urea casing of the present utility model, comprise urea box body, the top of described urea box body is provided with the filler pipe of the inner chamber filling urea liquid to urea box body, the top of described urea box body is provided with outlet valve, the outlet of described outlet valve is connected with outlet pipe, the upper end outlet of described outlet pipe is connected with the upper end-hole of described filler pipe, in the middle part of the diapire of described urea box body, urea pump is installed, the power supply wire harness of described urea pump is drawn below the diapire of urea box body, the diapire of described urea box body is distributed with two or more and is injection molded into nibs, be injection molded into described in each in nibs to be welded with heater band respectively and nibs will be injection molded into and close, the power supply wire harness of each described heater band is drawn from the described below being injection molded into nibs respectively.
Relative to prior art, the utility model achieves following beneficial effect: be separated with urea pump by heater band, arranges some heater bands according to heating properties demand at bottom half; Casing molding and forming is upper lower half shell, and lower half shell leaves in the position of layout heater band and is injection molded into nibs, is welded by heater band with casing lower half shell, and after welding, the power supply wire harness of heater band is injection molded into nibs extraction from what originally reserved.The utility model makes the design freedom of urea casing greatly improve, heater band can be arranged in any heating less than position, the design of casing by the impact that urea is freezing, does not also reduce the requirement of minimum filling volume simultaneously.
As preferred version of the present utility model, the periphery of described heater band is enclosed with the high density polyethylene (HDPE) clad closed by heater band respectively, and the diapire of described high density polyethylene (HDPE) clad and described urea box body combines together.Heater band parcel high density polyethylene (HDPE) clad, consistent with the material of urea box body, be convenient to combine together with the diapire of urea box.
As preferred version of the present utility model, described heater band is thermal resistor heater band.
As preferred version of the present utility model, described heater band is evenly distributed with four pieces, six pieces or eight pieces on the diapire of described urea box body.Needs according to housing structure and working environment can select suitable heater band quantity.
As preferred version of the present utility model, the power supply wire harness of each described heater band all collects mutually with the power supply wire harness of described urea pump.Avoid the circuit of bottom half in disorder, be convenient to carry out confession electric heating by the power supply wire harness of urea pump to heat block everywhere.
Accompanying drawing explanation
Be described in further detail the utility model below in conjunction with the drawings and specific embodiments, accompanying drawing only provides reference and explanation use, is not used to limit the utility model.
Fig. 1 is the plan view of the heating arrangement of the utility model urea casing.
Fig. 2 is the plan view of Fig. 1.
Fig. 3 is the stereogram of the heating arrangement of the utility model urea casing.
Fig. 4 is the stereogram after Fig. 3 cutting.
In figure: 1. urea box body; 1a. is injection molded into nibs; 2. filler pipe; 3. outlet valve; 4. outlet pipe; 5. urea pump; 6. heater band.
Embodiment
As shown in Figures 1 to 4, the heating arrangement of urea casing of the present utility model comprises urea box body 1, the top of urea box body 1 is provided with the filler pipe 2 of the inner chamber filling urea liquid to urea box body, the top of urea box body 1 is provided with outlet valve 3, the outlet of outlet valve 3 is connected with outlet pipe 4, the upper end outlet of outlet pipe 4 is connected with the upper end-hole of filler pipe, urea pump 5 is installed in the middle part of the diapire of urea box body 1, the power supply wire harness of urea pump 5 is drawn below the diapire of urea box body 1, the diapire of urea box body 1 is distributed with two or more and is injection molded into nibs 1a, respectively be injection molded in nibs 1a to be welded with heater band 6 respectively and nibs 1a will be injection molded into and close, the power supply wire harness of each heater band 6 is drawn from the below being injection molded into nibs 1a respectively.Heater band 6 is preferably thermal resistor heater band.The periphery of heater band 6 is enclosed with the high density polyethylene (HDPE) clad closed by heater band respectively, and the diapire of high density polyethylene (HDPE) clad and urea box body 1 combines together.
Heater band 6 can be evenly distributed with four pieces, six pieces or eight pieces on the diapire of urea box body 1, can according to housing structure and working environment need select suitable heater band quantity.
The power supply wire harness of each heater band 6 all collects mutually with the power supply wire harness of urea pump 5, avoids the circuit of bottom half in disorder, is convenient to carry out confession electric heating by the power supply wire harness of urea pump 5 to heat block everywhere.
Heater band 6 is separated with urea pump 5, arranges some heater bands according to heating properties demand at bottom half; Casing molding and forming is upper lower half shell, and lower half shell leaves in the position of layout heater band 6 and is injection molded into nibs 1a, is welded by heater band 6 with casing lower half shell, and after welding, the power supply wire harness of heater band 6 is injection molded into nibs 1a extraction from what originally reserved.The utility model makes the design freedom of urea casing greatly improve, heater band 6 can be arranged in any heating less than position, the design of casing by the impact that urea is freezing, does not also reduce the requirement of minimum filling volume simultaneously.
The foregoing is only the better possible embodiments of the utility model, non-ly therefore limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.The utility model can pass through without the technical characteristics described or adopt existing techniques in realizing, does not repeat them here.
Claims (5)
1. the heating arrangement of a urea casing, comprise urea box body, the top of described urea box body is provided with the filler pipe of the inner chamber filling urea liquid to urea box body, the top of described urea box body is provided with outlet valve, the outlet of described outlet valve is connected with outlet pipe, the upper end outlet of described outlet pipe is connected with the upper end-hole of described filler pipe, in the middle part of the diapire of described urea box body, urea pump is installed, the power supply wire harness of described urea pump is drawn below the diapire of urea box body, it is characterized in that: the diapire of described urea box body is distributed with two or more and is injection molded into nibs, be injection molded into described in each in nibs to be welded with heater band respectively and nibs will be injection molded into and close, the power supply wire harness of each described heater band is drawn from the described below being injection molded into nibs respectively.
2. the heating arrangement of urea casing according to claim 1, it is characterized in that: the periphery of described heater band is enclosed with the high density polyethylene (HDPE) clad closed by heater band respectively, and the diapire of described high density polyethylene (HDPE) clad and described urea box body combines together.
3. the heating arrangement of urea casing according to claim 2, is characterized in that: described heater band is thermal resistor heater band.
4. the heating arrangement of urea casing according to claim 1, is characterized in that: described heater band is evenly distributed with four pieces, six pieces or eight pieces on the diapire of described urea box body.
5. the heating arrangement of urea casing according to any one of claim 1 to 4, is characterized in that: the power supply wire harness of each described heater band all collects mutually with the power supply wire harness of described urea pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420611648.8U CN204212839U (en) | 2014-10-22 | 2014-10-22 | A kind of heating arrangement of urea casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420611648.8U CN204212839U (en) | 2014-10-22 | 2014-10-22 | A kind of heating arrangement of urea casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204212839U true CN204212839U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420611648.8U Active CN204212839U (en) | 2014-10-22 | 2014-10-22 | A kind of heating arrangement of urea casing |
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| Country | Link |
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| CN (1) | CN204212839U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762046A (en) * | 2016-11-25 | 2017-05-31 | 潍柴动力股份有限公司 | A kind of urea box heating system and its heating means for vehicle |
| WO2018072560A1 (en) * | 2016-10-21 | 2018-04-26 | 天纳克（苏州）排放系统有限公司 | Urea pump module |
| WO2018072559A1 (en) * | 2016-10-21 | 2018-04-26 | 天纳克（苏州）排放系统有限公司 | Urea pump module |
| CN108757122A (en) * | 2018-05-31 | 2018-11-06 | 江苏雄义环保自动化设备有限公司 | A kind of urea for vehicle pump heater |
| CN109296423A (en) * | 2017-07-25 | 2019-02-01 | 通用汽车环球科技运作有限责任公司 | It is provided with the fluid drainage slot of exhaust system |
| CN111212964A (en) * | 2017-10-06 | 2020-05-29 | 考特克斯·特克斯罗恩有限公司及两合公司 | Fluid container for a motor vehicle |
| CN112412590A (en) * | 2020-11-21 | 2021-02-26 | 山东艾泰克环保科技股份有限公司 | Integrated urea box for preventing urea freezing crystallization for automobile |
-
2014
- 2014-10-22 CN CN201420611648.8U patent/CN204212839U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018072560A1 (en) * | 2016-10-21 | 2018-04-26 | 天纳克（苏州）排放系统有限公司 | Urea pump module |
| WO2018072559A1 (en) * | 2016-10-21 | 2018-04-26 | 天纳克（苏州）排放系统有限公司 | Urea pump module |
| CN106762046A (en) * | 2016-11-25 | 2017-05-31 | 潍柴动力股份有限公司 | A kind of urea box heating system and its heating means for vehicle |
| CN106762046B (en) * | 2016-11-25 | 2019-09-27 | 潍柴动力股份有限公司 | A kind of urea box heating system and its heating means for vehicle |
| CN109296423A (en) * | 2017-07-25 | 2019-02-01 | 通用汽车环球科技运作有限责任公司 | It is provided with the fluid drainage slot of exhaust system |
| CN111212964A (en) * | 2017-10-06 | 2020-05-29 | 考特克斯·特克斯罗恩有限公司及两合公司 | Fluid container for a motor vehicle |
| CN111212964B (en) * | 2017-10-06 | 2022-05-24 | 考特克斯·特克斯罗恩有限公司及两合公司 | Fluid container for a motor vehicle |
| CN108757122A (en) * | 2018-05-31 | 2018-11-06 | 江苏雄义环保自动化设备有限公司 | A kind of urea for vehicle pump heater |
| CN112412590A (en) * | 2020-11-21 | 2021-02-26 | 山东艾泰克环保科技股份有限公司 | Integrated urea box for preventing urea freezing crystallization for automobile |
| CN112412590B (en) * | 2020-11-21 | 2021-08-27 | 山东艾泰克环保科技股份有限公司 | Integrated urea box for preventing urea freezing crystallization for automobile |
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