KR101812614B1 - Temperature sensor for pipe in an air conditioner and method for manufacturing the same - Google Patents
Temperature sensor for pipe in an air conditioner and method for manufacturing the same Download PDFInfo
- Publication number
- KR101812614B1 KR101812614B1 KR1020150111057A KR20150111057A KR101812614B1 KR 101812614 B1 KR101812614 B1 KR 101812614B1 KR 1020150111057 A KR1020150111057 A KR 1020150111057A KR 20150111057 A KR20150111057 A KR 20150111057A KR 101812614 B1 KR101812614 B1 KR 101812614B1
- Authority
- KR
- South Korea
- Prior art keywords
- sensor
- lead frame
- temperature sensing
- tube
- temperature
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title description 11
- 238000002347 injection Methods 0.000 claims abstract description 77
- 239000007924 injection Substances 0.000 claims abstract description 77
- 239000007769 metal material Substances 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 238000004378 air conditioning Methods 0.000 claims description 4
- 239000003507 refrigerant Substances 0.000 abstract description 18
- 239000000463 material Substances 0.000 description 5
- 229910001369 Brass Inorganic materials 0.000 description 4
- 229910002065 alloy metal Inorganic materials 0.000 description 4
- 239000010951 brass Substances 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical group [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 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
- 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
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 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
- 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
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
-
- 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
- F16B2/22—Clips, i.e. with gripping action effected solely by the inherent resistance to deformation of the material of the fastening of resilient material, e.g. rubbery material
-
- 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
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
-
- 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
Abstract
A temperature sensor for an air conditioner for an air conditioner according to the present invention includes a pair of lead frame members made of a metal material, a primary injection member for surrounding the outside of the lead frame member, a temperature sensing sensor member for sensing temperature, A tube fastening member for fastening to the cylindrical tube, and a secondary injection member surrounding the temperature sensing member and the outside of the primary injection member.
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 tube temperature sensor for an air conditioner and a manufacturing method thereof. More particularly, the present invention relates to a tube temperature sensor for an air conditioner which can be easily detached and attached to a tube, The present invention relates to a tube temperature sensor for an air conditioner capable of uniformly securing the positional accuracy of a sensor for sensing, and a manufacturing method thereof.
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 sensing the temperature of the refrigerant is used. Normally, the temperature of the refrigerant is sensed through a pipe for transferring the refrigerant.
The temperature sensor includes a temperature sensor element for sensing the temperature of the tube, a lead wire connected to the temperature sensor element, and a connector connected to the power source.
The temperature sensor element uses a thermistor element whose internal resistance value changes according to temperature change.
In the case of the temperature sensor for sensing the temperature of the refrigerant, 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, it may cause corrosion or leakage of the temperature sensor element due to long-term use.
It is an object of the present invention to provide a tube temperature sensor for an air conditioner which is constructed so as to be able to secure a waterproof characteristic even by a simple constitution and a process, and a method for manufacturing the same.
Another object of the present invention is to provide a tube temperature sensor for an air conditioner which can be easily detachably coupled to a tube for transferring refrigerant and a method of manufacturing the same.
It is still another object of the present invention to provide a tube temperature sensor for an air conditioner which can be produced 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 an air conditioner temperature sensor for an air conditioner, comprising: a pair of lead frame members made of a metal material; a primary injection member surrounding the outside of the lead frame member; A temperature detecting sensor member, a tube fastening member for fastening to the cylindrical tube, and a secondary injection member surrounding the temperature sensing member and the outside of the primary injection member.
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 is exposed to the outside of the primary injection member.
Meanwhile, the tube fastening member includes a tube fitting part coupled to the tube for air conditioning, and a protruding part protruding from the tube fitting part toward the primary injection molded part.
Here, a sensor accommodating portion for accommodating the temperature sensing member is formed in the tube coupling portion.
In addition, the secondary injection member includes a sensor arrangement portion in which the temperature sensor member is disposed, and a connector portion in which the 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, an opening is formed in the projection.
According to another aspect of the present invention, there is provided a method for manufacturing a temperature sensor for an air conditioner, 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 on the outside of the primary injection member; connecting the lead frame member and the temperature sensor member; disposing a pipe coupling member on the outside of the primary injection member; Thereby forming a secondary injection member.
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 is exposed to the outside of the primary injection member.
In addition, the tube fastening member includes a tube fitting portion coupled to the tube for air conditioning, and a protrusion protruding from the tube fitting portion toward the primary injection molded member.
Here, a sensor accommodating portion for accommodating the temperature sensing member is formed in the tube coupling 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.
Preferably, the connector portion is provided with a sliding guide portion for guiding coupling of the connector portion and a locking portion for locking engagement of the connector portion.
Here, an opening is formed in the projecting portion.
According to the present invention, it is possible to reliably protect the tube temperature sensor for air conditioner from moisture.
Further, it is possible to easily attach and detach the pipe temperature sensor for air conditioner to the pipe for transferring the refrigerant.
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 pipe temperature sensor for an air conditioner according to the present invention,
2 is a rear 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,
5 is another internal perspective view of the temperature sensing sensor,
6 is a perspective view of a tube temperature sensor for an air conditioner according to another embodiment of the present invention,
7 is an internal perspective view of the temperature sensing sensor,
8 is another internal perspective view of the temperature sensing sensor.
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.
2 is a rear perspective view of the temperature sensing sensor, FIG. 3 is a rear perspective view of the temperature sensing sensor, and FIG. 4 is a perspective view of the inside of the temperature sensing sensor according to the present invention. 6 is a perspective view of a tube temperature sensor for an air conditioner according to another embodiment of the present invention, FIG. 7 is an internal perspective view of the temperature sensor, and FIG. 8 is another internal perspective view of the temperature sensing sensor.
1 to 8, the pipe temperature sensor for an air conditioner according to the present invention includes a pair of
The
The
The
The terminal connecting
That is, the
Thereafter, the
The
Thus, the
The temperature
Here, the
Thus, the
A
A
The
Here, a
The tube
The temperature sensing sensor is disposed in the
The
A
The
The
The
The
The connector portion 57 is a portion to be connected to a connector of the outside (air conditioner main body), and the
The connector portion 57 is formed with a sliding
The method for manufacturing a temperature sensor for an air conditioner according to the present invention is characterized in that a
As described above, the
The
The
In this state, in a state in which the
An insert injection process for forming the
Accordingly, 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 pipe is sensed.
As described above, since the
5, the position of the
Therefore, the
In the embodiment shown in FIG. 5, the projecting
Thus, by supporting the temperature
Thus, in the injection process for forming 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
40: tube fastening member
50: Secondary injection member
100: tube
Claims (16)
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;
A tube fastening member for fastening to the cylindrical tube;
And a secondary injection member surrounding the temperature sensing member and the outside of the primary injection member,
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,
Wherein a first protrusion is formed integrally with the first injection member at the side of the temperature sensor 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 is exposed to the outside of the primary injection member,
Wherein the tube fastening member includes a tube fitting portion coupled to the tube for air conditioning and a pair of second protruding portions projecting from the tube fitting portion toward the first injection molded member,
A sensor accommodating portion for accommodating the temperature sensing sensor is formed in the shape of a recess on the side facing the temperature sensing sensor in the pipe coupling portion,
Wherein the temperature sensing sensor is disposed in contact with the sensor accommodating portion in a state in which the temperature sensing sensor is disposed between the first projecting portion and the pair of second projecting portions.
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.
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.
Forming a primary injection member on the outside of the lead frame member;
Connecting the lead frame member and the temperature sensor member;
Disposing a tube fastening member on the outside of the primary injection member;
And forming a secondary injection member on the outside of the primary injection member,
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,
A first protrusion is formed integrally with the first injection member at the side of the temperature sensing member in the step of forming the first injection member, the lead connection part is exposed to the outside of the first injection member,
Wherein the tube fastening member includes a tube fitting portion coupled to the tube for air conditioning and a second protruding portion protruding from the tube fitting portion toward the first injection molded member,
And a sensor accommodating portion for accommodating the temperature sensor is formed in the shape of a recess on the side facing the temperature sensing sensor in the tube fitting portion,
Wherein the temperature sensing sensor is disposed in contact with the sensor accommodating portion in a state in which the temperature sensing sensor is disposed between the first projecting portion and the second projecting portion.
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.
The connector portion includes a sliding guide portion for guiding the connector portion,
And a locking part for locking engagement of the connector part is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150111057A KR101812614B1 (en) | 2015-08-06 | 2015-08-06 | Temperature sensor for pipe in an air conditioner and method for manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150111057A KR101812614B1 (en) | 2015-08-06 | 2015-08-06 | Temperature sensor for pipe in an air conditioner and method for manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170018177A KR20170018177A (en) | 2017-02-16 |
| KR101812614B1 true KR101812614B1 (en) | 2017-12-28 |
Family
ID=58264867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150111057A KR101812614B1 (en) | 2015-08-06 | 2015-08-06 | Temperature sensor for pipe in an air conditioner and method for manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR101812614B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808836B (en) * | 2018-04-16 | 2021-09-17 | 山特电子（深圳）有限公司 | Support for installing capacitor and temperature sensing element in UPS and UPS |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009156803A (en) * | 2007-12-27 | 2009-07-16 | Tokai Rika Co Ltd | Current sensor |
| 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 KR1020150111057A patent/KR101812614B1/en active IP Right Grant
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009156803A (en) * | 2007-12-27 | 2009-07-16 | Tokai Rika Co Ltd | Current sensor |
| 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 |
|---|---|
| KR20170018177A (en) | 2017-02-16 |
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