CN103376180B - A kind of heat-exchange apparatus and pressure transducer thereof - Google Patents
A kind of heat-exchange apparatus and pressure transducer thereof Download PDFInfo
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- CN103376180B CN103376180B CN201210133360.XA CN201210133360A CN103376180B CN 103376180 B CN103376180 B CN 103376180B CN 201210133360 A CN201210133360 A CN 201210133360A CN 103376180 B CN103376180 B CN 103376180B
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- pressure transducer
- housing
- pedestal
- connection member
- circuit board
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Abstract
The invention discloses a kind of pressure transducer for heat-exchange apparatus, this pressure transducer includes pedestal and is installed on the housing of pedestal, and housing is positioned at the side being provided with circuit board of pedestal；Also including connection member, housing is connected by connection member with pedestal, and housing has opening, and housing, pedestal form, with connection member, the cavity connected, and is full of sealant, in order to realize the sealing of pressure transducer in this cavity.So, sealant can enter into the inside of pedestal, and the sealing between housing and pedestal, between connection member and pedestal can be realized by sealant, thus simplifies the structure of pressure transducer, improves its sealing effectiveness.The invention also discloses a kind of heat-exchange apparatus including above-mentioned pressure transducer.
Description
Technical field
The present invention relates to technical field of heat exchange, particularly to a kind of pressure transducer for heat-exchange apparatus.The invention still further relates to a kind of heat-exchange apparatus including above-mentioned pressure transducer.
Background technology
Along with the fast development of China's economic construction, relate to the industries such as the air conditioner refrigerating of field of heat exchange, heat pump air conditioner and constantly develop towards diversification, multi-functional direction.In various heat-exchange apparatus, flowing and have the medium of pressure during due to work, therefore, pressure transducer is vitals indispensable in heat-exchange apparatus.External pressure is mainly passed to the Medium Oil in annular seal space by liquid-seal type pressure transducer by diaphragm, Medium Oil again by pressure transmission to silicon induction chip, and export to outside by guide pin after pressure signal being converted into the signal of telecommunication by silicon induction chip.Owing to pressure transducer is applied in fluid environment more, its moistureproof and waterproof structure is particularly important.
Refer to the structural representation that Fig. 1, Fig. 1 are a kind of typical liquid-seal type pressure transducer.
Diagram liquid-seal type pressure transducer includes pedestal 11, fixing seal glass 12 in the upper end open portion of pedestal 11, seal glass 12 is embedded with guide pin 15 and oil filler pipe 13, seal glass 12 is positioned at the inner side of dielectric cavity 14 and is provided with boarded parts 114, induction chip is fixed on above-mentioned boarded parts 114, and is connected by metal wire (not shown) with above-mentioned guide pin 15；The connection member 17 being fixed with contact pin 16 is connected with pedestal 11 by riveting part 18, housing 19 it is stamped in connection member 17, lead-in wire 110 it is installed with in housing 19, there is the cavity 111 of sealant in being formed between housing 19 and connection member 17, sealed by O RunddichtringO 112 between connection member 17 and pedestal 11；One end of contact pin 16 is welded with flexible PCB 113, and the other end is connected with the lead-in wire 110 through housing 19.
In above-mentioned pressure transducer, due to sealant can only embedding in cavity, it is impossible to enter base interior, pedestal cannot be sealed with connection member, make also to need between pedestal and connection member to increase O RunddichtringO, add the structure complexity of pressure transducer, and add production cost；It addition, this pressure transducer uses flexible PCB to be electrically connected, thus lead-in wire cannot be fixed and position, need to increase connection member so that the structure of pressure transducer is complex.
Therefore, how to simplify the structure of pressure transducer, improve its sealing property, just become the problem that those skilled in the art need solution badly.
Summary of the invention
It is an object of the invention to provide a kind of pressure transducer for heat-exchange apparatus, its structure is relatively simple, and sealing property is preferable.It is a further object of the present invention to provide a kind of heat-exchange apparatus including above-mentioned pressure transducer.
For solving above-mentioned technical problem, the present invention provides a kind of pressure transducer, and including pedestal and the housing being installed on described pedestal, described housing is positioned at the side being provided with circuit board of described pedestal；Also include that connection member, described housing are connected by described connection member with described pedestal, described housing have opening, and described housing, described pedestal and described connection member formed in have the cavity of sealant.
Preferably, described connection member is installed on described pedestal and the periphery of described housing.
Preferably, described connection member is riveted on described pedestal and described housing.
Preferably, described circuit board is hard material, and described circuit board is fixed in the inner through the lead-in wire of described housing.
Preferably, described circuit board is double-sided printed-circuit board.
Preferably, between described printed circuit board (PCB) and described pedestal, felt pad is installed.
Preferably, described opening is the groove offered along the edge of described housing.
Preferably, the number of described groove has multiple, and each described groove is uniformly arranged along the circumference of described housing.
Preferably, described opening is the through hole being opened in described housing.
The present invention also provides for a kind of heat-exchange apparatus, and including refrigerant pipeline and the pressure transducer being installed in described refrigerant pipeline, described pressure transducer is pressure transducer as above.
Pressure transducer provided by the present invention is used for heat-exchange apparatus, and this pressure transducer includes pedestal and is installed on the housing of pedestal, and housing is positioned at the side being provided with circuit board of pedestal；Also including connection member, housing is connected by connection member with pedestal, and housing has opening, and housing, pedestal form, with connection member, the cavity connected, and is full of sealant, in order to realize the sealing of pressure transducer in this cavity.So, sealant can enter into the inside of pedestal, and the sealing between housing and pedestal, between connection member and pedestal can be realized by sealant, thus simplifies the structure of pressure transducer, improves its sealing effectiveness.
In a preferred embodiment, the circuit board of pressure transducer provided by the present invention can be hard material, and described circuit board is fixed in the inner through the lead-in wire of described housing；When circuit board is hard material, can be that lead-in wire provides fixing position, lead-in wire can install location the most on circuit boards, thus without arranging connector between circuit board and lead-in wire, also it is no need for considering the sealing between this connector and peripheral parts, and then further simplify the structure of pressure transducer.
In another preferred embodiment, the opening on housing provided by the present invention can be the groove offered along its edge, and groove is directly opened in housing outer, processes more convenient, simple in construction.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of typical liquid-seal type pressure transducer；
Fig. 2 is the structural representation of a kind of detailed description of the invention of pressure transducer provided by the present invention；
Fig. 3 is the axonometric chart of a kind of detailed description of the invention of housing upper shed provided by the present invention；
Fig. 4 is the sectional view of opening shown in Fig. 3；
Fig. 5 is the axonometric chart of housing upper shed another kind detailed description of the invention provided by the present invention；
Fig. 6 is the sectional view of opening shown in Fig. 5.
Detailed description of the invention
The core of the present invention is to provide a kind of pressure transducer for heat-exchange apparatus, and its structure is relatively simple, and sealing property is preferable.Another core of the present invention is to provide a kind of heat-exchange apparatus including above-mentioned pressure transducer.
In order to make those skilled in the art be more fully understood that technical scheme, the present invention is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings.
Refer to the structural representation that Fig. 2, Fig. 2 are a kind of detailed description of the invention of pressure transducer provided by the present invention.
In a kind of detailed description of the invention, pressure transducer provided by the present invention includes pedestal 2, the two ends up and down of pedestal 2 are respectively provided with peristome, being provided with seal glass 21 in the upper end open portion of pedestal 2, be provided with diaphragm at its lower ending opening portion, seal glass 21 seals upper end open portion completely, diaphragm seals lower ending opening portion completely, pedestal 2, seal glass 21 and diaphragm form pressure chamber, are full of the medium for transmitting pressure in pressure chamber, and medium passes through oil inlet pipe charged pressure chamber；Seal glass 21 axially penetrated through at least one guide pin 9, two ends this seal glass 21 through of guide pin 9, and its lower end is positioned at above-mentioned pressure chamber；Seal glass 21 is positioned at the inner side of pressure chamber and is provided with boarded parts, and induction chip is fixed on above-mentioned boarded parts, and is connected by metal wire (not shown) with above-mentioned guide pin 9；Seal glass 21 be provided above circuit board 4, guide pin 9 is through this circuit board 4, the side being provided with circuit board 4 of pedestal 2 is provided with housing 3, housing 3 is connected by connection member 5 with pedestal 2, there is on housing 3 opening 31, and housing 3, pedestal 2 and connection member 5 formed in have the cavity 6 of sealant, in this cavity 6, there is lead-in wire 10, the upper end of lead-in wire 10 is through housing 3, and lower end is connected with circuit board 4.
The material of above-mentioned housing 3 can be plastics, it is also possible to for other conventional use of materials, such as resin material etc. in this area.
Above-mentioned lead-in wire 10 is positioned at the outside of cavity 6 part and is enclosed with insulating sheath 8, with protection lead-in wire 10 safety.
So, sealant can enter into the inside of pedestal 2, and the sealing between housing 3 and pedestal 2, between connection member 5 and pedestal 2 can be realized by sealant, thus simplifies the structure of pressure transducer, improves its sealing effectiveness.
It is pointed out that " upper and lower " involved in literary composition is orientation based on accompanying drawing, convenient only for describing, not a kind of restriction, in other embodiments, is probably contrary with above-below direction involved in literary composition, when pressure transducer slant setting, it is also not limited to as surface and underface；" inside and outside " orientation involved in literary composition is with pedestal 2 and housing 3 as reference, and the inside of pedestal 2 and housing 3 is inner side, and the outside of pedestal 2 and housing 3 is outside, and inward-outward direction is construed as the restriction in a kind of orientation.
Above-mentioned connection member 5 can be installed on pedestal 2 and the periphery of housing 3, namely connection member 5 surrounds pedestal 2 and the periphery of housing 3, and is connected with both are fixing respectively；Connection member 5 is arranged at the more convenient installation in this position, saves installation cost.
Apparently, connection member 5 is also not limited to be positioned at pedestal 2 and the periphery of housing 3, as long as area in the height direction is more than the bayonet socket size of housing 3, ensure that pedestal 2, housing 3 and connection member 5 form the cavity 6 sealed, connection member 5 can have and multiple arranges position, such as, the lower end of connection member 5 is installed on pedestal 2, and its upper end is installed on bottom the outer rim of housing 3.
Connection member 5 can be by rivet in pedestal 2 and housing 3, it is also possible to realize connection member 5 and pedestal 2, the connection of housing 3, such as welding or bolt connection etc. by other conventional use of fixing connected modes in this area.
Circuit board 4 provided by the present invention can be hard material, and the inner through the lead-in wire 10 of housing 3 is fixed on described circuit board 4, and is provided with felt pad 7 between circuit board 4 and pedestal 2；When circuit board 4 is hard material, can be that lead-in wire 10 provides fixing position, lead-in wire 10 can install location the most on the circuit board 4, thus without arranging connector between circuit board 4 and lead-in wire 10, also it is no need for considering the sealing between this connector and peripheral parts, and then further simplify the structure of pressure transducer.
It is apparent that foregoing circuit plate 4 is also not limited to hard material, it is also possible to for flexible PCB, now only need to be connected by connector between flexible PCB and lead-in wire 10.
Above-mentioned hard circuit board can be single-clad board, it is also possible to for double-sided printed-circuit board.
Opening 31 form on housing 3 provided by the present invention can have multiple.
Refer to the axonometric chart that Fig. 3 and Fig. 4, Fig. 3 are a kind of detailed description of the invention of housing upper shed provided by the present invention；Fig. 4 is the sectional view of opening shown in Fig. 3.
In a kind of detailed description of the invention, the opening 31 on housing provided by the present invention can be the groove offered along its edge, and groove is directly opened in housing 3 outer, processes more convenient, simple in construction.The number of above-mentioned groove can have multiple, and each described groove is uniformly arranged along the circumference of described housing 3；Specifically, the number of groove can be four, it is thus evident that groove is also not limited to four, it is possibility to have two, three or the groove of more than four, and the specific number of groove should determine according to actually used situation, not limit at this.
Refer to the axonometric chart that Fig. 5 and Fig. 6, Fig. 5 are housing upper shed another kind detailed description of the invention provided by the present invention；Fig. 6 is the sectional view of opening shown in Fig. 5.
In another kind of detailed description of the invention, opening 31 provided by the present invention can be the through hole being opened on housing 3, through hole can be bar hole as shown in Figure 5, Figure 6, can also be some circular holes or square hole etc., the number of through hole can be one, it is also possible to for multiple, and each through hole can the uniform or distribution heterogeneous along the circumference of housing 3, the number of through hole and shape should determine according to actually used situation, do not limit at this.
Except above-mentioned pressure transducer, the present invention also provides for a kind of including that the heat exchange of above-mentioned pressure transducer is hot standby, and other Each part of this heat-exchange apparatus refer to prior art, does not repeats them here.
Specifically, this heat-exchange apparatus can be the refrigeration systems such as air-conditioning, refrigerator or handpiece Water Chilling Units, it is also possible to for source pump such as heat pump air conditioners.
Above a kind of heat-exchange apparatus provided by the present invention and pressure transducer thereof are described in detail.Principle and the embodiment of the present invention are set forth by specific case used herein, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention.It should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention, it is also possible to the present invention is carried out some improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Claims (10)
1. a pressure transducer, including pedestal (2) and the housing (3) that is installed on described pedestal (2), described housing (3) is positioned at the side being provided with circuit board (4) of described pedestal (2)；It is characterized in that, also include connection member (5), described housing (3) is connected by described connection member (5) with described pedestal (2), there is on described housing (3) opening (31), described connection member (5) area in the height direction is more than the cavity (6) having sealant in the bayonet socket size of described housing (3), and described housing (3), described pedestal (2) and described connection member (5) formation.
Pressure transducer the most according to claim 1, it is characterised in that described connection member (5) is installed on described pedestal (2) and the periphery of described housing (3).
Pressure transducer the most according to claim 2, it is characterised in that described connection member (5) is riveted on described pedestal (2) and described housing (3).
Pressure transducer the most according to claim 1, it is characterised in that described circuit board (4) is hard material, described circuit board (4) is fixed in the inner through the lead-in wire (10) of described housing (3).
Pressure transducer the most according to claim 4, it is characterised in that described circuit board (4) is double-sided printed-circuit board.
Pressure transducer the most according to claim 5, it is characterised in that be provided with felt pad (7) between described printed circuit board (PCB) and described pedestal (2).
7. according to the pressure transducer described in any one of claim 1 to 6, it is characterised in that described opening (31) is the groove offered along the edge of described housing (3).
Pressure transducer the most according to claim 7, it is characterised in that the number of described groove has multiple, each described groove is uniformly arranged along the circumference of described housing (3).
9. according to the pressure transducer described in any one of claim 1 to 6, it is characterised in that described opening (31) is the through hole being opened in described housing (3).
10. a heat-exchange apparatus, including refrigerant pipeline and the pressure transducer being installed in described refrigerant pipeline, it is characterised in that described pressure transducer is the pressure transducer as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210133360.XA CN103376180B (en) | 2012-04-28 | 2012-04-28 | A kind of heat-exchange apparatus and pressure transducer thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210133360.XA CN103376180B (en) | 2012-04-28 | 2012-04-28 | A kind of heat-exchange apparatus and pressure transducer thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103376180A CN103376180A (en) | 2013-10-30 |
| CN103376180B true CN103376180B (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210133360.XA Active CN103376180B (en) | 2012-04-28 | 2012-04-28 | A kind of heat-exchange apparatus and pressure transducer thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201503327U (en) * | 2009-10-14 | 2010-06-09 | 西安中星测控有限公司 | Roll seal closing type pressure transmitter casing structure |
| CN102023066A (en) * | 2010-05-31 | 2011-04-20 | 昆山双桥传感器测控技术有限公司 | Universal pressure sensor of automobile |
| CN202166491U (en) * | 2011-06-28 | 2012-03-14 | 浙江盾安禾田金属有限公司 | Sensor mounting structure and pressure sensor employing the mounting structure |
| CN102374920A (en) * | 2010-08-13 | 2012-03-14 | 浙江三花股份有限公司 | Heat exchange device and pressure transducer thereof |
| CN202182727U (en) * | 2011-06-28 | 2012-04-04 | 浙江盾安禾田金属有限公司 | Connecting structure of sensor and pressure sensor employing the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3154048B2 (en) * | 1996-10-25 | 2001-04-09 | 株式会社ゼクセルヴァレオクライメートコントロール | Heat exchange medium pressure measuring device |
| TW200842334A (en) * | 2007-04-19 | 2008-11-01 | sen-mu Gao | Rotary meter head structure |
-
2012
- 2012-04-28 CN CN201210133360.XA patent/CN103376180B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201503327U (en) * | 2009-10-14 | 2010-06-09 | 西安中星测控有限公司 | Roll seal closing type pressure transmitter casing structure |
| CN102023066A (en) * | 2010-05-31 | 2011-04-20 | 昆山双桥传感器测控技术有限公司 | Universal pressure sensor of automobile |
| CN102374920A (en) * | 2010-08-13 | 2012-03-14 | 浙江三花股份有限公司 | Heat exchange device and pressure transducer thereof |
| CN202166491U (en) * | 2011-06-28 | 2012-03-14 | 浙江盾安禾田金属有限公司 | Sensor mounting structure and pressure sensor employing the mounting structure |
| CN202182727U (en) * | 2011-06-28 | 2012-04-04 | 浙江盾安禾田金属有限公司 | Connecting structure of sensor and pressure sensor employing the same |
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| Publication number | Publication date |
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| CN103376180A (en) | 2013-10-30 |
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Effective date of registration: 20170120 Address after: 312500 Zhejiang city of Shaoxing province Xinchang County Chengguan town of Liquan Patentee after: Sanhua Refrigeration Group Co., Ltd., Zhejiang Address before: 312500 Liquan village of Chengguan Zhejiang city of Shaoxing province Xinchang County town Patentee before: Zhejiang Sanhua Co., Ltd. |
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Effective date of registration: 20220107 Address after: 312500 No. 358, Dadao West Road, Xinchang County, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Sanhua Commercial Refrigeration Co.,Ltd. Address before: Xia Li Quan, Chengguan Town, Xinchang County, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG SANHUA CLIMATE AND APPLIANCE CONTROLS GROUP Co.,Ltd. |
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