CN103234654B - Temperature sensor for automotive air conditioning evaporator - Google Patents
Temperature sensor for automotive air conditioning evaporator Download PDFInfo
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- CN103234654B CN103234654B CN201310158840.6A CN201310158840A CN103234654B CN 103234654 B CN103234654 B CN 103234654B CN 201310158840 A CN201310158840 A CN 201310158840A CN 103234654 B CN103234654 B CN 103234654B
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- temperature sensor
- air conditioning
- wire
- automotive air
- conditioning evaporator
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Abstract
The invention discloses a temperature sensor for an automotive air conditioning evaporator. The temperature sensor comprises a conducting wire, a thermistor, and an installing support, wherein a first wire passing hole is formed on the installing support; a first end of the conducting wire penetrates through the first wire passing hole so as to be arranged on the installing support; and the thermistor is connected with the first end of the conducting wire. According to the temperature sensor for the automotive air conditioning evaporator disclosed by the embodiment of the invention, a complex injection molding process of a surface evaporator temperature sensor, which is difficult to ensure quality, is replaced with simple part assembly, so that the process difficulty of the surface evaporator temperature sensor is greatly reduced, and the reject ratio of products is greatly reduced; and a conducting wire injection process is improved to be an assembly process, so that a high-temperature injection process is avoided, the conducting wire does not need to use a high-temperature wire, and the preparation cost is greatly reduced.
Description
Technical field
The present invention relates to the field of sensing technologies of automobile air-conditioning evaporator, more specifically, relate to a kind of temperature sensor used for automotive air conditioning evaporator.
Background technology
Automobile air-conditioning evaporator temperature sensor act as within air-conditioning systems: the temperature experiencing evaporator assigned position, controls compressor On/Off, makes air conditioning for automobiles reach cooling requirement, avoid evaporimeter frosting simultaneously.Comparatively popular having at present: plug-in type evaporator temperature sensor and surface-type evaporator temperature sensor.
Plug-in type evaporator temperature sensor need be inserted in evaporator fin, utilizes frock to determine insertion point during installation, and air-conditioning need be pulled down during later period maintenance, wastes time and energy.
Surface-type evaporator temperature sensor is the main trend of current evaporator temperature sensor, but needing that wire and thermistor (NTC) are put into mold cavity in surface-type evaporator temperature sensor process conventional at present carries out injection moulding.This type evaporator temperature sensor problem is as follows:
1. wire bonds point position is positioned at die cavity maximum space place, and the injection moulding power produced during injection moulding is excessive, thrusts pad and causes product to occur the infinitely-great phenomenon of resistance;
2. sample is when injection mo(u)lding, and charging aperture is positioned at wire bonds place, and afterbody is anchor point simultaneously, produces injection moulding power and cause afterbody anchor point to be subject to very big cross shear during injection moulding, makes this position wire insulation damaged, causes product that resistance drift phenomenon easily occurs;
3. can put into mold cavity due to wire and carry out injection moulding, therefore the wire selected is higher temperature line, but because wire epidermis is coarse not, the plastic components cohesive of its material and injection moulding is bad, and wire heatproof temperature is too high, well can not combine with plastics, after causing injecting products, afterbody finds poor sealing, in evaporator temperature sensor environment for use, (near automobile air-conditioning evaporator, there are moisture, high humidity) very easily occur resistance wild effect;
4. during injection moulding, when wire is located in a mold, there is no spacing measure, cause wire not to be wrapping in plastic body completely, reduce product quality.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, one object of the present invention is to propose simple, easy to assembly, the with low cost and temperature sensor used for automotive air conditioning evaporator that quality is high of a kind of structure.
According to the temperature sensor used for automotive air conditioning evaporator of the embodiment of the present invention, comprising: wire; Thermistor; And mounting bracket, described mounting bracket is formed with the first cable-through hole, the first end of described wire is arranged on described mounting bracket through described first cable-through hole, and described thermistor is connected with the first end of described wire.
According to the temperature sensor used for automotive air conditioning evaporator of the embodiment of the present invention, surface-type evaporator temperature sensor is complicated and the Shooting Technique being difficult to ensure the quality of products replaces with the assembling of simple parts, greatly reduce the technology difficulty of surface-type evaporator temperature sensor, greatly reduce product fraction defective, and wire Shooting Technique is improved to assembly technology, avoid high-temperature injection process, wire does not need to use higher temperature line, greatly reduces preparation cost.
In addition, according to the temperature sensor used for automotive air conditioning evaporator of the embodiment of the present invention, following additional technical characteristic can also be had:
According to one embodiment of present invention, described mounting bracket comprises: platform part, and described platform part is formed as round table-like, the front surface of the through described platform part of described first cable-through hole and rear surface; And fixed part, described fixed part is connected with the front surface of described platform part, and described wire is arranged on described fixed part.
According to one embodiment of present invention, described platform part comprises the first round platform and the second round platform, coaxial and the diameter of described second round platform is less than the diameter of described first round platform to described first round platform with described second round platform, and described second round platform is provided with the rubber blanket of annular.
According to one embodiment of present invention, described fixed part comprises: fixed bar, and described fixed bar is connected with the front surface of described platform part is vertical; And draw-in groove, described draw-in groove is located on described fixed bar for fixing described wire.
According to one embodiment of present invention, be arranged with sleeve pipe outside described wire, described casing clamp is connected in described draw-in groove.
According to one embodiment of present invention, the rear surface of described platform part is provided with guide portion, and described guide portion is formed as column, and described guide portion is coaxial and the through described guide portion of described first cable-through hole and described platform part with described platform part.
According to one embodiment of present invention, reinforcement is provided with between described guide portion and described platform part.
According to one embodiment of present invention, seal is provided with in described guide portion, described seal to be located in described first cable-through hole and with described first cable-through hole interference fit, described seal is formed with the second cable-through hole, described wire is connected with described thermistor through described second cable-through hole.
According to one embodiment of present invention, described guide portion, platform part and fixed part integrated injection molding.
According to one embodiment of present invention, described wire and described thermistor are integrally formed.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the assembling schematic diagram of the temperature sensor used for automotive air conditioning evaporator according to the embodiment of the present invention;
Fig. 2 is the explosive view of the temperature sensor used for automotive air conditioning evaporator according to the embodiment of the present invention;
Fig. 3 is the side view of the temperature sensor used for automotive air conditioning evaporator according to the embodiment of the present invention;
Fig. 4 is the side view of another angle of temperature sensor used for automotive air conditioning evaporator according to the embodiment of the present invention;
Fig. 5 is the rear view of the temperature sensor used for automotive air conditioning evaporator according to the embodiment of the present invention;
Reference numeral:
10: wire; 11: first end;
20: thermistor;
30: mounting bracket; 31: the first cable-through holes; 32: platform part; 321: the first round platforms; 322: the second round platforms; 33: fixed part; 331: fixed bar; 332: draw-in groove; 34: guide portion; 35: reinforcement;
40: rubber blanket;
50: sleeve pipe;
60: seal; 61: the second cable-through holes.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
The temperature sensor used for automotive air conditioning evaporator according to the embodiment of the present invention is specifically described below in conjunction with accompanying drawing.
As shown in Figures 1 to 5, comprise according to the temperature sensor used for automotive air conditioning evaporator of the embodiment of the present invention: wire 10, thermistor 20 and mounting bracket 30.
Specifically, mounting bracket 30 is formed with the first cable-through hole 31, the first end 11 of wire 10 is arranged on mounting bracket 30 through the first cable-through hole 31, and thermistor 20 is connected with the first end 11 of wire 10.Wherein, due to wire 10 be by erection on mounting bracket 30, avoiding traditional Shooting Technique, therefore without the need to adopting higher temperature line, adopting common wire.Thermistor 20 is as the temperature sensing part of temperature sensor, its selection is not particularly limited, such as can adopt NTC thermistor, the structure of NTC thermistor and use are appreciated that to those skilled in the art and easily realize, and therefore repeat no more.
Thus, according to the temperature sensor used for automotive air conditioning evaporator of the embodiment of the present invention, surface-type evaporator temperature sensor is complicated and the Shooting Technique being difficult to ensure the quality of products replaces with the assembling of simple parts, greatly reduce the technology difficulty of surface-type evaporator temperature sensor, greatly reduce product fraction defective, and wire Shooting Technique is improved to assembly technology, avoid high-temperature injection process, wire 10 does not need to use higher temperature line, greatly reduces preparation cost.
Preferably, according to one embodiment of present invention, wire 10 and thermistor 20 are integrally formed.Thus, avoid wire 10 and be weldingly connected with thermistor 20, ensure that the quality of product, and the structure be integrally formed can reduce preparation cost further.
Be understandable that, the shape about mounting bracket 30 is then not particularly limited, as long as it can realize wire 10 and thermistor 20 to fixedly mount, and with the physical fit of automobile air-conditioning evaporator.Alternatively, according to one embodiment of present invention, mounting bracket 30 comprises: platform part 32 and fixed part 33.
Particularly, platform part 32 is formed as round table-like, and the front surface of the through platform part 32 of the first cable-through hole 31 and rear surface, fixed part 33 is connected with the front surface of platform part 32, and wire 10 is arranged on fixed part 33.Further, platform part 32 comprises the first round platform 321 and the second round platform 322, first round platform 321, and the coaxial and diameter of the second round platform 322 is less than the diameter of the first round platform 321 with the second round platform 322, and the second round platform 322 is provided with the rubber blanket 40 of annular.Rubber blanket 40 is compression molding, and the diameter of the periphery of rubber blanket 40 can be identical with the diameter of described first round platform 321, also can be different.When the diameter of the periphery of rubber blanket 40 is identical with the diameter of described first round platform 321, the shape after the sheathed rubber blanket in periphery 40 of the second round platform 322 is identical with the shape of the first round platform 321.
It should be noted that, platform part 32 is auxiliary section when assembling according to the temperature sensor of the embodiment of the present invention and air conditioning for automobiles, second round platform 322 is arranged with rubber blanket 40, when the housing of temperature sensor and air conditioning for automobiles assembles, sealing function can be played, also there is certain damping effect simultaneously, ensure that quality and the safety in utilization of temperature sensor.
Structure for the fixed part 33 of fixing cord 10 is also not particularly limited, as long as can play the effect of fixing cord 10.Alternatively, according to one embodiment of present invention, fixed part 33 comprises: fixed bar 331 and draw-in groove 332.
Particularly, fixed bar 331 is connected with the front surface of platform part 32 is vertical, and draw-in groove 332 is located on fixed bar 331 for fixing cord 10.Wherein, the number of draw-in groove 332 can need the length stretched in air conditioning for automobiles to carry out reasonable adjusting according to fixed bar 331.Preferably, draw-in groove 332 is two, and one of them draw-in groove 332 is located at the end, one end away from platform part 32 of fixed bar 331, and another draw-in groove 332 can be located at one end of the contiguous platform part 32 of fixed bar 331.Thus, can wire 10 be fixedly mounted on mounting bracket 30, this mounting means simple possible, greatly reduce preparation difficulty and the assembly difficulty of temperature sensor, reduce cost.
Further, according to one embodiment of present invention, be arranged with sleeve pipe 50 outside wire 10, sleeve pipe 50 is connected in draw-in groove 332.Wherein, sleeve pipe 50 can be PVC sleeve pipe.Thus, by arranging sleeve pipe 50 outside wire 10, draw-in groove 332 can be avoided directly to block wire 10 and cause wearing and tearing to wire, in addition, sleeve pipe 50 can make wire 10 be wrapping in mounting bracket 30 completely, and sleeve pipe 50 is easier and draw-in groove 332 clamping, not only further increase the safety in utilization of temperature sensor, and assembling is more simple and convenient.
According to one embodiment of present invention, the rear surface of platform part 32 is provided with guide portion 34, and guide portion 34 is formed as column, and guide portion 34 is coaxial and the through guide portion 34 of the first cable-through hole 31 and platform part 32 with platform part 32.Wire 10, when assembling, through guide portion 34 and platform part 32, and is connected with thermistor 20 after being connected in draw-in groove 332.
In order to ensure the structural stability of guide portion 34, according to one embodiment of present invention, reinforcement 35 is provided with between guide portion 34 and platform part 32.Particularly, reinforcement 35 can be located at the both sides of guide portion 34 respectively, and the length of reinforcement 35 is greater than the length of guide portion 34.Thus, the rotation of temperature sensor can also be facilitated by reinforcement 35 structure of guide portion 34 both sides, thus make it easy to assemble with air-conditioner housing and dismantle.
Further, according to one embodiment of present invention, in guide portion 34, be provided with seal 60, seal 60 to be located in the first cable-through hole 31 and with the first cable-through hole 31 interference fit, seal 60 is formed with the second cable-through hole 61, wire 10 is connected with thermistor 20 through the second cable-through hole 61.Wherein, seal 60 can be the rubber parts of compression molding.Thus, by arranging seal 60, not only can play sealing function, improve quality and the safety in utilization of temperature sensor further, and seal 60 can also play certain position-limiting action, is convenient to the location and installation of wire 10.
Material about mounting bracket 30 is also not particularly limited, and considers Cost Problems, according to one embodiment of present invention, and guide portion 34, platform part 32 and fixed part 33 integrated injection molding.Thus, the plastic stent of independent injection mo(u)lding is not only easy to prepare, and with low cost, is applicable to promoting the use of.
Generally speaking, according to the temperature sensor used for automotive air conditioning evaporator of the embodiment of the present invention, surface-type evaporator temperature sensor is complicated and the Shooting Technique being difficult to ensure the quality of products replaces with the assembling of simple parts, greatly reduce the technology difficulty of surface-type evaporator temperature sensor, improve efficiency of assembling, ensure that product quality, reduce preparation cost.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.
Claims (10)
1. a temperature sensor used for automotive air conditioning evaporator, is characterized in that, comprising:
Wire;
Thermistor; With
Mounting bracket, described mounting bracket is formed with the first cable-through hole, and the first end of described wire is arranged on described mounting bracket through described first cable-through hole, and described thermistor is connected with the first end of described wire.
2. temperature sensor used for automotive air conditioning evaporator according to claim 1, is characterized in that, described mounting bracket comprises:
Platform part, described platform part is formed as round table-like, the front surface of the through described platform part of described first cable-through hole and rear surface; With
Fixed part, described fixed part is connected with the front surface of described platform part, and described wire is arranged on described fixed part.
3. temperature sensor used for automotive air conditioning evaporator according to claim 2, it is characterized in that, described platform part comprises the first round platform and the second round platform, coaxial and the diameter of described second round platform is less than the diameter of described first round platform to described first round platform with described second round platform, and described second round platform is provided with the rubber blanket of annular.
4. temperature sensor used for automotive air conditioning evaporator according to claim 2, is characterized in that, described fixed part comprises:
Fixed bar, described fixed bar is connected with the front surface of described platform part is vertical; With
Draw-in groove, described draw-in groove is located on described fixed bar for fixing described wire.
5. temperature sensor used for automotive air conditioning evaporator according to claim 4, is characterized in that, is provided with sleeve pipe outside described wire, and described casing clamp is connected in described draw-in groove.
6. temperature sensor used for automotive air conditioning evaporator according to claim 2, it is characterized in that, the rear surface of described platform part is provided with guide portion, described guide portion is formed as column, and described guide portion is coaxial and the through described guide portion of described first cable-through hole and described platform part with described platform part.
7. temperature sensor used for automotive air conditioning evaporator according to claim 6, is characterized in that, is provided with reinforcement between described guide portion and described platform part.
8. temperature sensor used for automotive air conditioning evaporator according to claim 6, it is characterized in that, seal is provided with in described guide portion, described seal to be located in described first cable-through hole and with described first cable-through hole interference fit, described seal is formed with the second cable-through hole, described wire is connected with described thermistor through described second cable-through hole.
9. temperature sensor used for automotive air conditioning evaporator according to claim 6, is characterized in that, described guide portion, platform part and fixed part integrated injection molding.
10. the temperature sensor used for automotive air conditioning evaporator according to any one of claim 1-9, is characterized in that, described wire and described thermistor are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158840.6A CN103234654B (en) | 2013-04-28 | 2013-04-28 | Temperature sensor for automotive air conditioning evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310158840.6A CN103234654B (en) | 2013-04-28 | 2013-04-28 | Temperature sensor for automotive air conditioning evaporator |
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| CN103234654A CN103234654A (en) | 2013-08-07 |
| CN103234654B true CN103234654B (en) | 2015-07-01 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480045A (en) * | 2015-11-23 | 2016-04-13 | 博耐尔汽车电气系统有限公司 | HVAC assembly with evaporator temperature sensor convenient to disassemble and reload |
| CN105387579A (en) * | 2015-11-23 | 2016-03-09 | 博耐尔汽车电气系统有限公司 | HVAC assembly with evaporator temperature sensor convenient to detach and replace |
| CN106274363A (en) * | 2016-08-29 | 2017-01-04 | 博耐尔汽车电气系统有限公司 | A kind of improved structure of novel air channel sensor |
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Effective date of registration: 20181225 Address after: 071000 Chaoyang North Street (Xu), Xushui District, Baoding, Hebei, 299 Patentee after: Mande Electronic Appliance Co., Ltd. Address before: No. 2266 Chaoyang South Street, Baoding City, Hebei Province, 071000 Patentee before: Changcheng Automobile Co., Ltd. |