CN212563396U - Heating assembly - Google Patents
Heating assembly Download PDFInfo
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- CN212563396U CN212563396U CN202021317877.0U CN202021317877U CN212563396U CN 212563396 U CN212563396 U CN 212563396U CN 202021317877 U CN202021317877 U CN 202021317877U CN 212563396 U CN212563396 U CN 212563396U
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- heating element
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- heating assembly
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Abstract
A heating assembly comprising a urea pump, an inlet tube connected to an inlet of the urea pump, a first sensor mount connected to the inlet tube, an outlet tube connected to an outlet of the urea pump, and a second sensor mount connected to the outlet tube, the urea pump having a pump head connecting the inlet and the outlet; the heating assembly further includes a first heating element at least partially wrapped around the pump head, a second heating element at least partially wrapped around the first sensor mount, and a third heating element at least partially wrapped around the second sensor mount. The utility model discloses a set up a plurality of heating element, can realize heating fast and unfreeze the urea at key position, make it possess stronger heating function of unfreezing.
Description
Technical Field
The utility model relates to a heating element belongs to tail gas aftertreatment technical field.
Background
Existing urea injection systems typically include a urea tank, a urea pump to deliver liquid urea in the urea tank after pressurization to a urea nozzle, and a urea nozzle to inject atomized urea droplets into the exhaust. The urea liquid drops generate ammonia gas after pyrolysis and hydrolysis, and the ammonia gas is used as an important chemical substance for purifying tail gas.
The liquid urea can freeze in a low-temperature environment, so that the whole urea injection system cannot work normally. In order to solve the above problem, the urea injection system is generally provided with a heating and thawing device to thaw frozen urea. However, how to arrange the heating and thawing device to quickly recover the normal operation state of the urea injection system is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stronger heating element of function is unfreezed in urea heating.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a heating assembly comprising a urea pump, an inlet tube connected to an inlet of the urea pump, a first sensor mount connected to the inlet tube, an outlet tube connected to an outlet of the urea pump, and a second sensor mount connected to the outlet tube, the urea pump having a pump head connecting the inlet and the outlet; the heating assembly further includes a first heating element at least partially wrapped around the pump head, a second heating element at least partially wrapped around the first sensor mount, and a third heating element at least partially wrapped around the second sensor mount.
As a further improvement of the present invention, the first heating element has a seam, a first edge, and a second edge, the seam being located between the first edge and the second edge; the first heating element further comprises a first mounting portion proximate the first edge and a second mounting portion proximate the second edge; the first mounting portion is connected with the second mounting portion through a fixing element, so that the first heating element is fixed to the pump head.
As a further improvement of the present invention, the first heating element is provided with a first perforation for passing the inlet pipe and a second perforation for passing the outlet pipe.
As a further improved technical solution of the present invention, the first mounting portion is provided with a first mounting hole, and the second mounting portion is provided with a second mounting hole aligned with the first mounting hole; the fixing element is a bolt penetrating through the first mounting hole and the second mounting hole and a nut matched with the bolt.
As a further improved technical solution of the present invention, the first sensor seat is provided with a first side surface, and the second heating element partially wraps the first side surface; the second sensor receptacle is provided with a second side surface, the third heating element partially wrapping the second side surface.
As a further improved technical solution of the present invention, the second heating element is provided with at least one first mounting protrusion, and the first mounting protrusion is provided with a first mounting through hole; the first sensor seat is provided with a first mounting hole corresponding to the first mounting through hole; the heating assembly further comprises a first screw passing through the first mounting through hole and fixed to the first mounting hole.
As a further improved technical solution of the present invention, the first mounting convex portions are two and are respectively located at the top and the bottom of the second heating element.
As a further improved technical solution of the present invention, the third heating element is provided with at least one second mounting protrusion, and the second mounting protrusion is provided with a second mounting through hole; the second sensor seat is provided with a second mounting opening corresponding to the second mounting through hole; the heating assembly further comprises a second screw which penetrates through the second mounting through hole and is fixed to the second mounting hole.
As a further improved technical solution of the present invention, the second mounting convex portions are two and are respectively located at the top and the bottom of the third heating element.
As a further improvement of the present invention, the heating assembly includes a first wire connected to the first heating element and a second wire connected to both the second heating element and the third heating element, and the first wire and the second wire are detachably connected together by a connector.
Compared with the prior art, the utility model discloses a heating element includes that at least part of portion wraps up first heating element on the pump head, at least part parcel are in second heating element on the first sensor seat and at least part parcel are in third heating element on the second sensor seat can realize heating the unfreezing fast to the urea at key position through setting up a plurality of heating element, makes it possess stronger heating function of unfreezing.
Drawings
Fig. 1 is a schematic perspective view of the heating assembly of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a left side view of fig. 1.
Fig. 4 is a top view of fig. 1.
Fig. 5 is a partially exploded perspective view of fig. 1.
Detailed Description
Referring to fig. 1 to 5, the present invention discloses a heating assembly, which includes a urea pump 1, an inlet pipe 2 connected to an inlet 11 of the urea pump 1, a first sensor holder 3 connected to the inlet pipe 2, an outlet pipe 4 connected to an outlet 12 of the urea pump 1, and a second sensor holder 5 connected to the outlet pipe 4, wherein the urea pump 1 has a pump head 13 connecting the inlet 11 and the outlet 12. The heating assembly further comprises a first heating element 61 at least partially wrapped around the pump head 13, a second heating element 62 at least partially wrapped around the first sensor mount 3, and a third heating element 63 at least partially wrapped around the second sensor mount 5.
The first heating element 61 has a seam 610, a first edge 611 and a second edge 612, the seam 610 being located between the first edge 611 and the second edge 612; the first heating element 61 further comprises a first mounting portion 613 near the first edge 611 and a second mounting portion 614 near the second edge 612. The first mount 613 and the second mount 614 are connected by a fixing member 615 to fix the first heating element 61 to the pump head 13. The first heating element 61 is provided with a first perforation 616 through which the inlet tube 2 passes and a second perforation 617 through which the outlet tube 4 passes.
The first mounting portion 613 is provided with a first mounting hole 6131, and the second mounting portion 614 is provided with a second mounting hole 6141 aligned with the first mounting hole 6131; the fixing element 615 is a bolt 6151 passing through the first mounting hole 6131 and the second mounting hole 6141, and a nut 6152 matched with the bolt 6151.
The first sensor seat 3 is provided with a first side surface 31, and the second heating element 62 is partially wrapped on the first side surface 31; the second sensor receptacle 5 has a second lateral surface 51, and the third heating element 63 partially surrounds the second lateral surface 51. The second heating element 62 is provided with at least one first mounting protrusion 621, the first mounting protrusion 621 being provided with a first mounting through hole 6211; the first sensor housing 3 is provided with a first mounting aperture 32 corresponding to the first mounting through hole 6211; the heating assembly also includes a first screw 64 that passes through the first mounting through-hole 6211 and is secured to the first mounting aperture 32. In the illustrated embodiment of the present invention, the first mounting protrusions 621 are two and are respectively located at the top and the bottom of the second heating element 62.
Similarly, the third heating element 63 is provided with at least one second mounting projection 631, the second mounting projection 631 being provided with a second mounting through hole 6311; the second sensor mount 5 is provided with a second mounting opening 52 corresponding to the second mounting through hole 6311; the heating assembly further includes a second screw 65 passing through the second mounting through hole 6311 and fixed to the second mounting opening 52. The second mounting projections 631 are two and are respectively located at the top and bottom of the third heating element 63.
The heating assembly comprises a first wire 71 connected to the first heating element 61 and a second wire 72 connected to both the second heating element 62 and the third heating element 63, the first wire 71 and the second wire 72 being detachably connected together by a connector 73.
Compared with the prior art, the heating assembly of the present invention comprises the first heating element 61 at least partially wrapped on the pump head 13, the second heating element 62 at least partially wrapped on the first sensor seat 3, and the third heating element 63 at least partially wrapped on the second sensor seat 5, and the urea at the key part can be rapidly heated and thawed by setting the plurality of heating elements, so that the heating assembly has a stronger heating and thawing function. Additionally, the utility model discloses a heating element can change in a flexible way when needing to the convenience of maintaining has been improved.
The above embodiments are only used for illustrating the present invention and not for limiting the technical solutions described in the present invention, and the understanding of the present specification should be based on the technical personnel in the technical field, and although the present specification has described the present invention in detail with reference to the above embodiments, the skilled personnel in the art should understand that the technical personnel in the technical field can still modify or substitute the present invention, and all the technical solutions and modifications thereof that do not depart from the spirit and scope of the present invention should be covered within the scope of the claims of the present invention.
Claims (10)
1. A heating assembly comprising a urea pump, an inlet tube connected to an inlet of the urea pump, a first sensor mount connected to the inlet tube, an outlet tube connected to an outlet of the urea pump, and a second sensor mount connected to the outlet tube, the urea pump having a pump head connecting the inlet and the outlet; the method is characterized in that: the heating assembly further includes a first heating element at least partially wrapped around the pump head, a second heating element at least partially wrapped around the first sensor mount, and a third heating element at least partially wrapped around the second sensor mount.
2. The heating assembly of claim 1, wherein: the first heating element has a seam, a first edge, and a second edge, the seam being located between the first edge and the second edge; the first heating element further comprises a first mounting portion proximate the first edge and a second mounting portion proximate the second edge; the first mounting portion is connected with the second mounting portion through a fixing element, so that the first heating element is fixed to the pump head.
3. The heating assembly of claim 2, wherein: the first heating element is provided with a first perforation through which the inlet pipe passes and a second perforation through which the outlet pipe passes.
4. The heating assembly of claim 2, wherein: the first mounting part is provided with a first mounting hole, and the second mounting part is provided with a second mounting hole aligned with the first mounting hole; the fixing element is a bolt penetrating through the first mounting hole and the second mounting hole and a nut matched with the bolt.
5. The heating assembly of claim 1, wherein: the first sensor seat is provided with a first side surface, and the second heating element is partially wrapped on the first side surface; the second sensor receptacle is provided with a second side surface, the third heating element partially wrapping the second side surface.
6. The heating assembly of claim 5, wherein: the second heating element is provided with at least one first mounting convex part, and the first mounting convex part is provided with a first mounting through hole; the first sensor seat is provided with a first mounting hole corresponding to the first mounting through hole; the heating assembly further comprises a first screw passing through the first mounting through hole and fixed to the first mounting hole.
7. The heating assembly of claim 6, wherein: the first mounting convex parts are two and are respectively positioned at the top and the bottom of the second heating element.
8. The heating assembly of claim 5, wherein: the third heating element is provided with at least one second mounting convex part, and the second mounting convex part is provided with a second mounting through hole; the second sensor seat is provided with a second mounting opening corresponding to the second mounting through hole; the heating assembly further comprises a second screw which penetrates through the second mounting through hole and is fixed to the second mounting hole.
9. The heating assembly of claim 8, wherein: the second mounting convex parts are two and are respectively positioned at the top and the bottom of the third heating element.
10. A heating assembly as claimed in any one of claims 1 to 9, wherein: the heating assembly includes a first wire connected to the first heating element and a second wire connected to both the second heating element and the third heating element, the first wire and the second wire being removably connected together by a connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021317877.0U CN212563396U (en) | 2020-07-07 | 2020-07-07 | Heating assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021317877.0U CN212563396U (en) | 2020-07-07 | 2020-07-07 | Heating assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212563396U true CN212563396U (en) | 2021-02-19 |
Family
ID=74621154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021317877.0U Active CN212563396U (en) | 2020-07-07 | 2020-07-07 | Heating assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212563396U (en) |
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2020
- 2020-07-07 CN CN202021317877.0U patent/CN212563396U/en active Active
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