CN202727918U - Defrosting sensor device for auto air conditioning systems - Google Patents
Defrosting sensor device for auto air conditioning systems Download PDFInfo
- Publication number
- CN202727918U CN202727918U CN201220418690.9U CN201220418690U CN202727918U CN 202727918 U CN202727918 U CN 202727918U CN 201220418690 U CN201220418690 U CN 201220418690U CN 202727918 U CN202727918 U CN 202727918U
- Authority
- CN
- China
- Prior art keywords
- bent
- base
- sensor
- sensor device
- air conditioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model provides a defrosting sensor device for auto air conditioning systems. The defrosting sensor device comprises a base, wherein a bent casing pipe is arranged in back of the base; the head part of the bent casing pipe is provided with an inclined opening; a sensor head is arranged in the inclined opening, and is wrapped and sealed by using resin; a sensor wire is embedded in the bent casing pipe through an injection molding material PPT20 in advance and connected to a base inserting piece; a fastener is arranged on the bent casing pipe in back of the base; and the bending angle of the bent casing pipe is 100-105 degrees. According to the defrosting sensor device, the external physical structure that a temperature sensing head of a defrosting sensor directly faces an air outlet of an evaporator for air blowing, and is easy in water accumulation is abandoned; the sensor is surrounded by a plastic shell and air is incapable of being directly blown to the sensor, so that the rapid feedback to the severe change of the temperature does not happen and a compressor can be prevented from being frequently started; and an opening in the bottom is communicated with surrounding air, so that the problems of freezing, water accumulation and failure of the air conditioning evaporator due to too slow sensing can be prevented, the difficult problem of chatter of the compressor is also solved and the running stability of air conditioning equipment is guaranteed. The defrosting sensor device is simple in structure and low in manufacturing cost.
Description
Technical field
The utility model relates to the parts of automotive air-conditioning system, and concrete is a kind of air conditioning for automobiles defrosting sensor device.
Background technology
The many employings of widely used evaporator are stacked in the automotive fittings at present, and internal partition is divided into a plurality of flow processs, and the irregularity of flow of refrigerant between different flow processs, temperature are not identical yet.
When the temperature of a certain position was lower than zero degree, evaporator surface began frosting; The evaporator surface frosting has reduced the average heat transfer coefficient of evaporator on the one hand; Reduced on the other hand evaporating temperature, system power dissipation is increased; If frost layer is blocked up, the heat exchange amount will sharply reduce, and the fan condition point changes, a/c system in addition will be difficult to the operation; So when the design vehicle air-conditioning, require the evaporator can not frosting; And the temperature-sensitive head of defrosting temperature sensor commonly used directly exposes in the blowing of evaporator air outlet at present, cause air-conditioning compressor to stop frequently and start, and temperature-sensitive head, make the problem of temperature sensor fails, seriously influenced interior environment system traveling comfort and service life.
Summary of the invention
The utility model purpose is in order to solve the problem of sensor failure and ponding, the spy provide a kind of simple in structure, can realize the real-time input to the temperature signal of effective monitoring of evaporator air outlet temperature and air-conditioner controller, effectively guaranteed the stability of thermal comfort and the air-conditioning work device of environment inside car, practicality is high, performance is good, low cost of manufacture, the easy air conditioner defrosting device of control processed.
Technical solutions of the utility model are for this reason, air conditioning for automobiles defrosting sensor device, comprise a base, base is provided with connector, is provided with the bent-tube boiler sleeve pipe behind the base, it is characterized in that: the head of bent-tube boiler sleeve pipe is angle, in the angle of bent-tube boiler sleeve pipe head, be provided with sensor head, and use the resin environmental sealing, and being embedded with sensor conductor by injection article in the bent-tube boiler sleeve pipe, sensor conductor is connected to the base connector.
Improvement to such scheme is: the bent-tube boiler sleeve pipe behind base is provided with buckle.
Improvement to such scheme is: the bending angle of described bent-tube boiler sleeve pipe is 100-105 °.
Improvement to such scheme is: described base, bent-tube boiler sleeve pipe, injection article, buckle are one-time formed with PPT20 injection moulding in mould.
Beneficial effect:
The utility model has been abandoned traditional defrosting sensor temperature-sensitive head directly in the face of the blowing of evaporator air outlet; the external physical structure of easy ponding; sensor head resin environmental sealing; be connected to the base connector by two wires again; sensor and wire are to be embedded in the conduit injection mould; by Shooting Technique and the one-shot forming of protection supporting sleeve; sensor is surrounded by plastic casing; air-flow can directly not blow to sensor; can rapid feedback to the acute variation of temperature; can prevent that high frequent from starting; bottom opening and surrounding air UNICOM; can prevent from again responding to the too blunt problem that causes the icing ponding of A/C evaporator to lose efficacy; also solve the difficult problem of the chatter of compressor, guaranteed the interior environment system traveling comfort.
The bent-tube boiler sleeve pipe is provided with buckle and bending angle and is 100-105 ° and more is conducive to assembling and draining.
Base, bent-tube boiler sleeve pipe, injection article, buckle are one-time formed with PPT20 injection moulding in mould, and integral molded plastic not only is conducive to stability and the conformability of product, more is conducive to the waterproof of product, improve reliability.
Use resin environmental sealing sensor head in the angle of bent-tube boiler sleeve pipe head, other position injection articles are pre-buried, prevent that condensed water is collected at sensor head, prevent from losing efficacy or the resistance drift after the long-term immersion of sensor, the temperature sensor mistake, thus sensor service life prolonged; Prolong the service life of interior environment system, its simple in structure, low cost of manufacture.
Description of drawings
Fig. 1 is structural representation of the present utility model;
1 is base among the figure, the 2nd, and bent-tube boiler sleeve pipe, the 3rd, sensor head, the 4th, sensor conductor, the 5th, buckle, the 6th, injection article.
The specific embodiment
The utility model as shown in Figure 1
Air conditioning for automobiles defrosting sensor device, comprise a base 1, base 1 is provided with connector, be provided with bent-tube boiler sleeve pipe 2 behind the base 1, the head of bent-tube boiler sleeve pipe 2 is angles, is provided with sensor head 3 in the angle of bent-tube boiler sleeve pipe 2 heads, and with resin 7 environmental sealings, be embedded with sensor conductor 4 by injection moulding 6 in the bent-tube boiler sleeve pipe 2, sensor conductor 4 is connected to the connector of base 1.
Bent-tube boiler sleeve pipe 2 behind base 1 is provided with buckle 5.
The bending angle of bent-tube boiler sleeve pipe 2 is 100-105 °.
Described base 1, bent-tube boiler sleeve pipe 2, injection article 6, buckle 5 are one-time formed with PPT20 injection moulding in mould.
Opening direction is downward during installation, and the sense sensor head 3 of temperature sensor is protected in inside, and the condensation ponding that produces in the device working process is flowed away along outer structure surface, has avoided producing a large amount of ponding and the problem that lost efficacy to get at sensor head 3 places; Be protected in owing to sensor head 3 simultaneously; bent-tube boiler sleeve pipe 2 inside; avoided directly facing the blowing of evaporator air outlet; enter bent-tube boiler sleeve pipe 2 inside and detect draught temperature but the blowing by the external physical structure of flowing through produces gyration airflow; prolonged the sensitive time of the sensor head 3 of sensor; cut off and time of adhesive thereby lengthened when compressor reaches preset temperature, solved the difficult problem that high frequent stops and starting.
When interior environment system is started working, temperature-controlled parameter is arranged on 3.5-5.5 ℃, the air outlet of evaporator is when blowing is crossed sensor, externally produce gyration airflow near the physical structure, gyration airflow slowly contacts by the opening of plastic cement structural base and the sensor head 3 of sensor, makes sensor head 3 detect present temperature, then passes to the control system of air-conditioning, judge whether present temperature reaches default threshold values, thereby whether the control compressor stops (or startup) operation; Simultaneously because blowing can produce condensation ponding when blowing over sensing device, because the protective effect of outside bent-tube boiler sleeve pipe 2, the ponding of generation flows away along body structure surface, has avoided a large amount of ponding of sensor head 3 Long Term Contacts and causes short-circuit failure.
Claims (4)
1. air conditioning for automobiles defrosting sensor device, comprise a base, base is provided with connector, be provided with the bent-tube boiler sleeve pipe behind the base, it is characterized in that: the head of bent-tube boiler sleeve pipe is angle, is provided with sensor head in the angle of bent-tube boiler sleeve pipe head, and uses the resin environmental sealing, be embedded with sensor conductor by injection moulding in the bent-tube boiler sleeve pipe, sensor conductor is connected to the base connector.
2. air conditioning for automobiles according to claim 1 defrosting sensor device, it is characterized in that: the bent-tube boiler sleeve pipe behind base is provided with buckle.
3. air conditioning for automobiles according to claim 1 and 2 defrosting sensor device, it is characterized in that: the bending angle of described bent-tube boiler sleeve pipe is 100-105 °.
4. air conditioning for automobiles according to claim 1 and 2 defrosting sensor device, it is characterized in that: described base, bent-tube boiler sleeve pipe, injection article, buckle are one-time formed with PPT20 injection moulding in mould.
?
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220418690.9U CN202727918U (en) | 2012-08-23 | 2012-08-23 | Defrosting sensor device for auto air conditioning systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220418690.9U CN202727918U (en) | 2012-08-23 | 2012-08-23 | Defrosting sensor device for auto air conditioning systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202727918U true CN202727918U (en) | 2013-02-13 |
Family
ID=47653652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220418690.9U Expired - Lifetime CN202727918U (en) | 2012-08-23 | 2012-08-23 | Defrosting sensor device for auto air conditioning systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202727918U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134247A (en) * | 2013-03-08 | 2013-06-05 | 上虞市诚信机电科技有限公司 | Temperature sensing structure of external temperature sensing thermostatic expansion valve |
| CN104075524A (en) * | 2014-07-01 | 2014-10-01 | 安徽省宁国天成电工有限公司 | Defrosting protection device assembly |
-
2012
- 2012-08-23 CN CN201220418690.9U patent/CN202727918U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134247A (en) * | 2013-03-08 | 2013-06-05 | 上虞市诚信机电科技有限公司 | Temperature sensing structure of external temperature sensing thermostatic expansion valve |
| CN104075524A (en) * | 2014-07-01 | 2014-10-01 | 安徽省宁国天成电工有限公司 | Defrosting protection device assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204177004U (en) | Wind cooling refrigerator | |
| CN108556660A (en) | A kind of thermal management system of electric automobile | |
| CN202204149U (en) | Direct-heating type domestic heat pump water heater | |
| CN201072272Y (en) | Heat pump defrosting control device of cooling and heating blower | |
| CN103644617A (en) | Double-evaporator air-conditioning system for pure electric vehicle and control method of system | |
| CN202727918U (en) | Defrosting sensor device for auto air conditioning systems | |
| CN108550950A (en) | A kind of super cold and hot management system and method for battery pack | |
| CN203824206U (en) | Freezer capable of preventing surface of middle beam from being frosted | |
| CN104236195B (en) | Wind cooling refrigerator | |
| CN203415869U (en) | Semiconductor refrigeration dehumidification device for outdoor intelligent terminal cabinet | |
| CN101761999B (en) | Energy-saving automatic anti-freezing controlling method for household central air conditioner and air-conditioner adopting same | |
| CN111595062A (en) | Wind measurement laser radar dehumidification device utilizing semiconductor refrigeration and working method thereof | |
| CN101696816A (en) | Wall mounting type air conditioner water heater | |
| CN204177024U (en) | Refrigeration plant | |
| CN213478477U (en) | Intercooler assembly for vehicle and vehicle | |
| CN107131681B (en) | Liquid heat exchange type air source heat pump | |
| CN207374334U (en) | Novel anti-freezing wiper and vehicle | |
| CN209497116U (en) | A kind of high-tension switch cabinet Intelligent dehumidifying device | |
| CN101377323A (en) | Outdoor unit of air conditioner | |
| CN204629842U (en) | Air-conditioner | |
| CN204202254U (en) | Evaporator of electric refrigerator | |
| CN207179887U (en) | A kind of industrial refrigeration unit using EC blower fans | |
| CN104236204A (en) | Refrigeration equipment | |
| CN207035550U (en) | The cold charger cold-storing type cooling system of liquid | |
| CN202414039U (en) | Heater of electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |
|
| CX01 | Expiry of patent term |