KR101752167B1 - Temperature sensor for evaporator fin in an air conditioner and method for manufacturing the same - Google Patents
Temperature sensor for evaporator fin in an air conditioner and method for manufacturing the same Download PDFInfo
- Publication number
- KR101752167B1 KR101752167B1 KR1020150111058A KR20150111058A KR101752167B1 KR 101752167 B1 KR101752167 B1 KR 101752167B1 KR 1020150111058 A KR1020150111058 A KR 1020150111058A KR 20150111058 A KR20150111058 A KR 20150111058A KR 101752167 B1 KR101752167 B1 KR 101752167B1
- Authority
- KR
- South Korea
- Prior art keywords
- lead frame
- temperature sensor
- lead
- connector
- injection member
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title description 11
- 238000002347 injection Methods 0.000 claims abstract description 69
- 239000007924 injection Substances 0.000 claims abstract description 69
- 239000007769 metal material Substances 0.000 claims abstract description 7
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 238000009751 slip forming Methods 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 abstract description 11
- 229910001369 Brass Inorganic materials 0.000 description 4
- 229910002065 alloy metal Inorganic materials 0.000 description 4
- 239000010951 brass Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/143—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations for measuring surface temperatures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
- B60H1/3229—Cooling devices using compression characterised by constructional features, e.g. housings, mountings, conversion systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2/00—Friction-grip releasable fastenings
- F16B2/20—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Air Conditioning Control Device (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
A temperature sensor for mounting an air conditioner evaporator pin according to the present invention comprises a pair of lead frame members made of a metal material, a primary injection member for surrounding the outside of the lead frame member, and a lead portion, And a secondary injection member surrounding the temperature sensing member and an outer periphery of the primary injection member, wherein the primary injection member includes a lead frame fixing part surrounding the pair of lead frame members, And a connecting portion connecting the lead frame fixing portion and the temperature sensor accommodating portion, wherein the secondary injection member is formed with a pin inserting portion inserted into the evaporator pin of the air conditioner.
According to the present invention, it is possible to reliably protect the tube temperature sensor for air conditioner from moisture.
Also, it is possible to easily attach and detach the pipe temperature sensor for air conditioner to the pipe for transferring the refrigerant, and it is possible to produce by the automatic process, and the positional accuracy of the sensor for temperature sensing can be uniformly secured.
Description
The present invention relates to a temperature sensor for mounting on an evaporator pin included in an air conditioner and a method of manufacturing the same. More specifically, the present invention relates to a temperature sensor capable of easily attaching / detaching to and from an evaporator pin, The present invention relates to a temperature sensor for installing an air conditioner evaporator pin capable of being manufactured by a process and capable of uniformly securing the positional accuracy of a sensor for temperature sensing, and a method of manufacturing the same.
2. Description of the Related Art Generally, an air conditioner is a device for cooling an indoor space in a summer season, and is one of air conditioners installed in a space used by people such as vehicles and electric vehicles including various buildings.
Generally, the air conditioner lowers the temperature by condensing and expanding the refrigerant as a heat exchange medium, circulates the cooled refrigerant to the room, and blows the refrigerant down to lower the room temperature.
The air conditioner cooling system includes a compressor for compressing a refrigerant, a condenser for condensing the refrigerant compressed in the compressor, an expansion valve for rapidly expanding the refrigerant condensed and liquefied in the condenser, And an evaporator that evaporates the expanded refrigerant and cools the air blown into the room by using the latent heat of evaporation of the refrigerant.
In the cooling system as described above, the refrigerant must be continuously phase-changed into a gas, a liquid, a liquid, and a gas. If the phase change and the circulation of the refrigerant are not smooth, Can not be performed.
In the air conditioner, a temperature sensor for detecting the temperature of the evaporator is used.
The temperature sensor includes a temperature sensor element for sensing a temperature, a lead wire connected to the temperature sensor element, and a connector connected to a power source.
The temperature sensor element uses a thermistor element whose internal resistance value changes according to temperature change.
In the case of a temperature sensor for detecting the temperature of the evaporator, the temperature sensor element, the lead wire, and the like must be protected from the moisture inside the air conditioner due to the characteristics of the air conditioner, and therefore the temperature sensor element, the lead wire, do.
If the components included in the temperature sensor are not waterproofed, they may cause corrosion or leakage due to long-term use.
An object of the present invention is to provide a temperature sensing sensor for mounting an air conditioner evaporator pin, which is configured to ensure waterproof characteristics even by a simple constitution and a process, and a method for manufacturing the same.
It is another object of the present invention to provide a temperature sensor for installing an air conditioner evaporator pin which can be easily attached to and detached from an evaporator pin and a method of manufacturing the same.
It is still another object of the present invention to provide a temperature sensor for installing an air conditioner evaporator pin, which is capable of being manufactured by an automated process and is capable of uniformly securing the positional accuracy of a sensor for temperature sensing, and a method of manufacturing the same.
According to an aspect of the present invention, there is provided a temperature sensor for mounting an air conditioner evaporator pin, comprising: a pair of lead frame members made of a metal material; a primary injection member surrounding the outside of the lead frame member; And a secondary injection member surrounding the temperature sensing member and an outer periphery of the primary injection member, wherein the primary injection member includes a lead frame fixing part for surrounding the pair of lead frame members, A temperature sensor accommodating portion for accommodating the temperature sensing member, and a connection portion connecting the lead frame fixing portion and the temperature sensor accommodating portion, wherein a pin inserting portion inserted into the evaporator pin of the air conditioner is formed in the secondary injector member do.
Preferably, the lead frame member is provided with a terminal connecting portion. The terminal connecting portion is formed to have a double thickness by folding a metal constituting the lead frame member, and the other end of the terminal connecting portion is connected to the lead portion of the temperature sensing sensor member A lead connecting portion is formed.
Here, the lead connecting portion and the lead portion are exposed to the outside of the primary injection member.
Further, a receiving groove for receiving the temperature sensor member is formed in the temperature sensor accommodating portion.
Preferably, an opening is formed in the temperature sensor accommodating portion.
Meanwhile, the secondary injection member includes a sensor arrangement portion in which the temperature sensor member is disposed, and a connector portion in which a connector connection portion of the lead frame member is disposed.
Here, the connector portion is provided with a sliding guide portion for guiding the connector portion and a locking portion for locking engagement of the connector portion.
Preferably, the pin insertion portion is formed so that the concave portion and the convex portion are continuously formed on the side end face, and the tip end portion of the pin insertion portion has a trapezoidal cross-section.
The sensor arrangement part is formed to have a thickness smaller than that of the connector part, and an opening is formed in the sensor arrangement part.
According to another aspect of the present invention, there is provided a method of manufacturing a temperature sensor for mounting an air conditioner evaporator pin, the method comprising the steps of: forming a lead frame member connected to a lead portion of a temperature sensing member and an external connector terminal using a metal material; The method comprising the steps of: forming a primary injection member in the primary injection member; connecting the lead frame member and the temperature sensing member; and forming a secondary injection member outside the primary injection member, A lead frame fixing part for enclosing the pair of lead frame members, a temperature sensor accommodating part for accommodating the temperature sensing member, and a connecting part for connecting the lead frame fixing part and the temperature sensor accommodating part, In the step of forming the main injection member, a pin insertion portion inserted into the evaporator pin of the air conditioner is formed.
Preferably, the lead frame member is provided with a terminal connecting portion. The terminal connecting portion is formed to have a double thickness by folding a metal constituting the lead frame member, and the other end of the terminal connecting portion is connected to the lead portion of the temperature sensing sensor member A lead connecting portion is formed.
Here, the lead connecting portion and the lead portion are exposed to the outside of the primary injection member.
Further, a receiving groove for receiving the temperature sensor member is formed in the temperature sensor accommodating portion.
Preferably, an opening is formed in the temperature sensor accommodating portion.
Meanwhile, the secondary injection member includes a sensor arrangement portion in which the temperature sensor member is disposed, and a connector portion in which a connector connection portion of the lead frame member is disposed.
Here, the connector portion is provided with a sliding guide portion for guiding the connector portion and a locking portion for locking engagement of the connector portion.
The pin insertion portion is formed such that the concave portion and the convex portion on the side end face are continuously formed, and the tip end portion of the pin insertion portion has a trapezoidal cross section.
Preferably, the sensor arrangement part is formed to have a thickness smaller than that of the connector part, and an opening is formed in the sensor arrangement part.
According to the present invention, it is possible to reliably protect the temperature sensing sensor from moisture inside the air conditioner evaporator.
Further, the temperature sensor can be easily attached to and detached from the evaporator pin for the air conditioner.
In addition, it is possible to produce by automation process, and to ensure uniformity of the positional accuracy of sensor for temperature sensing.
BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
1 is a perspective view of a temperature sensor for installing an air conditioner according to the present invention,
2 is a bottom perspective view of the temperature sensing sensor,
3 is a rear perspective view of the temperature sensing sensor,
4 is an internal perspective view of the temperature sensing sensor,
FIG. 5 is a perspective view of the temperature sensor mounted on an evaporator pin,
6 is a side view of the state where the temperature sensor is installed on an evaporator pin,
7 is another perspective view of the state where the temperature sensor is installed on an evaporator pin.
Hereinafter, the configuration of the present invention will be described in detail with reference to the accompanying drawings.
Prior to this, the terms used in the specification and claims should not be construed in a dictionary sense, and the inventor may, on the principle that the concept of a term can be properly defined in order to explain its invention in the best way And should be construed in light of the meanings and concepts consistent with the technical idea of the present invention.
Therefore, the embodiments shown in the present specification and the drawings are only exemplary embodiments of the present invention, and not all of the technical ideas of the present invention are presented. Therefore, various equivalents It should be understood that water and variations may exist.
FIG. 1 is a perspective view of a temperature sensing sensor for installing an air conditioner according to the present invention, FIG. 2 is a bottom perspective view of the temperature sensing sensor, FIG. 3 is a rear perspective view of the temperature sensing sensor, 6 is a side view of the temperature sensor in a state where the temperature sensor is installed on an evaporator pin, and FIG. 7 is a view illustrating a state in which the temperature sensor is installed on an evaporator pin .
1 to 7, a temperature sensor for installing an air conditioner evaporator pin according to the present invention includes a pair of
The
The
The
The terminal connecting
That is, the
Thereafter, the
The
The
Thus, the
The temperature
Here, the
Thus, the
A receiving groove for receiving the
The temperature
A
The
The
The
The
The
The
A
A portion of the
A
The
Thus, the distal end portion 53-1 of the
When the
An
Thus, the temperature inside the evaporator can be sensed more sensitively through the
A method of manufacturing a temperature sensor for mounting an air conditioner evaporator pin according to the present invention includes forming a
As described above, the
The
The
In this state, the
Here, the state in which the
Therefore, the temperature
Therefore, it is possible to reduce the defect rate in manufacturing the temperature sensor according to the present invention, and to provide a uniform sensing characteristic when the temperature of the air conditioner is sensed.
As described above, since the
While the present invention has been described with reference to the exemplary embodiments and the drawings, it is to be understood that the technical scope of the present invention is not limited to these embodiments and that various changes and modifications will be apparent to those skilled in the art. Various modifications and variations may be made without departing from the scope of the appended claims.
10: lead frame member
20: Primary injection member
30: absence of temperature sensor
50: Secondary injection member
53:
110: Evaporator pin
Claims (18)
A primary injection member surrounding the outside of the lead frame member;
A temperature sensing element for sensing the temperature, the temperature sensing element including a lead portion;
And a secondary injection member surrounding the temperature sensing member and the outside of the primary injection member,
The primary injection member includes a lead frame fixing part surrounding the pair of lead frame members, a temperature sensor accommodating part for accommodating the temperature sensing member, and a connection part connecting the lead frame fixing part and the temperature sensor accommodating part ≪ / RTI &
The secondary injection member is formed with a pin insertion portion to be inserted into the evaporator pin of the air conditioner,
The lead frame member is provided with a terminal connection portion,
The terminal connection portion is formed to have a double thickness by folding a metal forming the lead frame member,
A lead connecting portion connected to the lead portion of the temperature sensor member is formed on the other side of the terminal connecting portion,
The lead connecting portion and the lead portion are bonded to each other in a state in which the lead connecting portion and the lead portion are exposed to the outside of the primary injector member at the side of the connecting portion of the primary injector member,
Wherein a receiving groove for receiving the temperature sensing member is formed in the temperature sensor accommodating portion of the primary injection member,
An opening is formed in the temperature sensor accommodating portion of the primary injection member,
Wherein the secondary injection member includes a sensor arrangement in which the temperature sensor member is disposed,
And a connector portion in which a connector connecting portion of the lead frame member is disposed,
Wherein the sensor arrangement part is formed to have a thickness smaller than that of the connector part, and an opening is formed in the sensor arrangement part.
The connector portion includes a sliding guide portion for guiding the connector portion,
And a locking portion for locking engagement of the connector portion is formed on the outer circumferential surface.
Wherein the pin insertion portion is formed such that a concave portion and a convex portion are continuously formed on a side end surface thereof, and a tip end portion of the pin insertion portion is formed to have a trapezoidal cross-section.
Forming a primary injection member on the outside of the lead frame member;
Connecting the lead frame member and the temperature sensor member;
And forming a secondary injection member on the outside of the primary injection member,
The primary injection member includes a lead frame fixing part surrounding the pair of lead frame members, a temperature sensor accommodating part for accommodating the temperature sensing member, and a connection part connecting the lead frame fixing part and the temperature sensor accommodating part ≪ / RTI &
In the step of forming the secondary injection member, a pin insertion portion inserted into the evaporator pin of the air conditioner is formed,
The lead frame member is provided with a terminal connection portion,
The terminal connection portion is formed to have a double thickness by folding a metal forming the lead frame member,
A lead connecting portion connected to a lead portion of the temperature sensor member is formed on the other side of the terminal connecting portion,
The lead connecting portion and the lead portion are bonded to each other in a state where the lead connecting portion and the lead portion are exposed to the outside of the primary injected member at the side of the connecting portion of the primary injected member,
Wherein a receiving groove for receiving the temperature sensing member is formed in the temperature sensor accommodating portion of the primary injection member,
An opening is formed in the temperature sensor accommodating portion of the primary injection member,
Wherein the secondary injection member includes a sensor arrangement in which the temperature sensor member is disposed,
And a connector portion in which a connector connecting portion of the lead frame member is disposed,
Wherein the sensor arrangement part is formed to have a thickness smaller than that of the connector part, and an opening is formed in the sensor arrangement part.
The connector portion includes a sliding guide portion for guiding the connector portion,
Wherein a locking portion for locking engagement of the connector portion is formed.
Wherein the pin insertion portion is formed such that a concave portion and a convex portion are continuously formed on a side end surface thereof and the tip end portion of the pin insertion portion is formed to have a trapezoidal cross section.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150111058A KR101752167B1 (en) | 2015-08-06 | 2015-08-06 | Temperature sensor for evaporator fin in an air conditioner and method for manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150111058A KR101752167B1 (en) | 2015-08-06 | 2015-08-06 | Temperature sensor for evaporator fin in an air conditioner and method for manufacturing the same |
Publications (2)
Publication Number | Publication Date |
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KR20170018178A KR20170018178A (en) | 2017-02-16 |
KR101752167B1 true KR101752167B1 (en) | 2017-07-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020150111058A KR101752167B1 (en) | 2015-08-06 | 2015-08-06 | Temperature sensor for evaporator fin in an air conditioner and method for manufacturing the same |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018169328A1 (en) * | 2017-03-15 | 2018-09-20 | 엘지전자 주식회사 | Refrigerator |
ES2928105T3 (en) * | 2017-03-15 | 2022-11-15 | Lg Electronics Inc | Refrigerator |
JP2020506357A (en) * | 2017-08-25 | 2020-02-27 | 広東美的暖通設備有限公司Gd Midea Heating & Ventilating Equipment Co.,Ltd. | Temperature sensing package bracket for air conditioner indoor unit and air conditioner indoor unit |
KR102084106B1 (en) * | 2018-03-09 | 2020-03-03 | 엘지전자 주식회사 | Refrigerator |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005326367A (en) * | 2004-05-17 | 2005-11-24 | Denso Corp | Fin temperature sensor |
JP2009024980A (en) * | 2007-07-23 | 2009-02-05 | Denso Corp | Temperature sensor for heat exchanger |
JP2010249582A (en) * | 2009-04-13 | 2010-11-04 | Mitsubishi Cable Ind Ltd | Sensor with terminal and method for manufacturing the same |
JP2013524186A (en) * | 2010-03-30 | 2013-06-17 | エプコス アーゲー | Measuring probe with housing |
-
2015
- 2015-08-06 KR KR1020150111058A patent/KR101752167B1/en active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005326367A (en) * | 2004-05-17 | 2005-11-24 | Denso Corp | Fin temperature sensor |
JP2009024980A (en) * | 2007-07-23 | 2009-02-05 | Denso Corp | Temperature sensor for heat exchanger |
JP2010249582A (en) * | 2009-04-13 | 2010-11-04 | Mitsubishi Cable Ind Ltd | Sensor with terminal and method for manufacturing the same |
JP2013524186A (en) * | 2010-03-30 | 2013-06-17 | エプコス アーゲー | Measuring probe with housing |
Also Published As
Publication number | Publication date |
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KR20170018178A (en) | 2017-02-16 |
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