CN102024621A - Temperature and pressure doubly-controlled switch - Google Patents
Temperature and pressure doubly-controlled switch Download PDFInfo
- Publication number
- CN102024621A CN102024621A CN2010105808543A CN201010580854A CN102024621A CN 102024621 A CN102024621 A CN 102024621A CN 2010105808543 A CN2010105808543 A CN 2010105808543A CN 201010580854 A CN201010580854 A CN 201010580854A CN 102024621 A CN102024621 A CN 102024621A
- Authority
- CN
- China
- Prior art keywords
- temperature
- pressure
- switch
- barrier film
- parts
- 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.)
- Pending
Links
Images
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
The invention discloses a temperature and pressure doubly-controlled switch, comprising a shell, a switch box and a diaphragm, wherein, the diaphragm is arranged between the shell and the switch box; a pressure switch mechanism is arranged in a cavity at the upper part of the switch box at the lower part of the diaphragm, and comprises a first receiving part, a second receiving part, a first driving plate, a second driving plate, a throw rod and a pressure switch rod; the diaphragm is arranged into two layers which are tightly fitted; the two ends of the lower diaphragm is bent downwards to form a supporting plate; the left side and right side of the first receiving part are fixed on the supporting plate of the lower diaphragm; the first receiving part and the lower diaphragm form a cavity; and the first receiving part, the first driving plate, the throw rod and the middle part of the pressure switch rod form a run-through central hole commonly. In the invention, the pressure and temperature in the system can be controlled doubly, a protective circuit is limitedly started according to the changes of the pressure and the temperature, thus eliminating the influence of the changes of the temperature and the pressure to the whole system, and playing a good protective function in the whole system.
Description
Technical field
The present invention relates to a kind of pressure switch, the switch of the common control of especially a kind of temperature and pressure, the switching technique field belonged to.
Background technology
Fig. 1 is the cross-sectional view of traditional pressure switch.
As shown in Figure 1: the switch enclosure 13 that traditional pressure switch comprises shell 10 with inner space, combines with shell 10, wherein the upper center of shell 10 is a fluid passage, also be provided with barrier film 12 between itself and the switch enclosure top, barrier film 12 forms the spacer body of shell 10 and switch enclosure 13, and between the shell 10 of barrier film 12 both sides and switch enclosure 13 tops, also be provided with seal member 11, seal member 11 is an elastomer, then is provided with pressure switch mechanism in the upper cavity of the switch enclosure 13 of barrier film 12 bottoms.
Above-mentioned pressure switch mechanism comprise first accept parts 15, second accept parts 16, first along Moving plate 17, second along Moving plate 19, actuating strut 18 and pressure switch bar 20, wherein:
First to accept parts 15 be the bending body that upwards is bent to form planar projections in the middle of, the plane of its planar projections and barrier film are fitted, then be formed with downward protuberance 15a downwards at first two ends of accepting parts 15, downwards protuberance 15a be positioned at first first the contact both sides of accepting parts 15 bottoms along Moving plate 17;
Second two ends of accepting parts 16 protrude upward, encase first and accept the two ends and first of parts 15 along Moving plate 17, second central part of accepting parts 16 has centre bore, and protuberance 16b in the middle of in the middle of its bottom surface, also being provided with, make the surrounding wall of centre bore outstanding downwards, actuating strut 18 is arranged in the above-mentioned centre bore, and the top of actuating strut 18 is positioned at first bottom along Moving plate 17, in addition, second upper face of accepting parts 16 also is provided with protruding upward 16a, and protruding upward 16a contacts with first bottom surface along Moving plate 17;
Second is arranged on second bottom of accepting parts 16 along Moving plate 19, and its circumferential edges is fixed on the inwall of switch enclosure 13.
The working method of pressure switch is:
Fluid flows into by fluid passage, the pressure of its generation presses down barrier film 12, barrier film 12 presses down first and accepts parts 15, the first downward protuberance 15a that accepts parts 15 presses down first along Moving plate 17, first along the Moving plate distortion, press down second protruding upward the 16a that accepts parts 16 that is in contact with it, and then press down second and accept parts 16, second accepts the middle protuberance 16b pushing second downwards of parts 16 along Moving plate 19, second along Moving plate 19 generation deformation, and the first suitable Moving plate distortion while pressing action bar 18, actuating strut 18 pushes pressure switch bar 20 downwards, the pressure contact 21 of pressure switch bar 20 1 ends contacts with pressure fixing contact 22 downwards, and switch cuts out.
If pressure reduces, then second reply to previous status along Moving plate 19, then actuating strut 18, first is accepted parts 16 and first along Moving plate 17, second and is accepted parts 15 answer that all makes progress, at this moment, switch opens.
We know; above-mentioned pressure switch is mainly used in the freeze cycle pipeline in the refrigerating plant; but in the work system of reality; increasing or reducing also of its internal temperature exerts an influence to whole system; so traditional pressure switch can't realize temperature control, temperature sensor changes exactly, and then can't start protective circuit; eliminate the influence that variations in temperature produces whole system, do not reach best the protection of whole system.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of effectively sensed pressure and variations in temperature, and the two control switchs of temperature and pressure of duplicate protection can accurately be provided.
The present invention is achieved through the following technical solutions:
The two control switchs of a kind of temperature and pressure, comprise shell, switch enclosure and barrier film, barrier film is arranged between shell and the switch enclosure, in the upper cavity of the switch enclosure of barrier film bottom, be provided with pressure switch mechanism, pressure switch mechanism comprises that first accepts parts, second accepts parts, first along Moving plate, second along Moving plate, actuating strut and pressure switch bar, it is characterized in that, above-mentioned barrier film is provided with two-layer, the both sides barrier film fits tightly, wherein the two ends of lower floor's barrier film are bent to form supporting plate downwards, first left and right sides of accepting parts is fixed on the supporting plate of lower floor's barrier film, be formed with cavity between itself and the lower floor's barrier film, in addition, first accept parts, first along Moving plate, the common centre bore that connects that forms in the middle part of actuating strut and pressure switch bar.
In the upper cavity of the switch enclosure of lower floor barrier film bottom, also be provided with temperature switch mechanism.
Above-mentioned temperature switch mechanism comprises the temperature shell fragment, catch bar and temperature switch bar, wherein the temperature shell fragment is arranged on first and accepts in the cavity that parts and lower floor barrier film form, catch bar then is arranged on first and accepts parts, first along Moving plate, in the common centre bore that forms of actuating strut and pressure switch bar, the top of catch bar is positioned at the bottom of temperature shell fragment, its low side then is positioned at the top of temperature switch bar, in addition, one end of temperature switch bar is provided with the temperature contact, the bottom of temperature contact is the temperature fixed contact, temperature contact and temperature fixed contact are oppositely arranged, and constitute temperature switch.
The invention has the beneficial effects as follows: the present invention is by being provided with temperature switch in common pressure switch; can carry out dual control to the pressure and temperature in the system simultaneously; according to pressure, temperature variation; start protective circuit limitedly; eliminate temperature and pressure and change the influence that whole system is produced, whole system is played a very good protection.
Description of drawings
Fig. 1 is the cross-sectional view of traditional pressure switch;
Fig. 2 is the cross-sectional view of one embodiment of the invention.
Main Reference numeral implication is among the figure:
10, shell 11, seal member 12, barrier film
12a, lower floor's barrier film 13, switch enclosure 15, first are accepted parts
15a, downward protuberance 16, second are accepted parts 16a, portion protruding upward
16b, middle protuberance 17, the first suitable Moving plate 18, actuating strut
19, second along Moving plate 20, pressure switch bar 21, pressure contact
22, pressure fixing contact 23, temperature switch bar 23a, temperature contact
24, temperature fixed contact 25, temperature shell fragment 26, catch bar.
Embodiment
Below in conjunction with accompanying drawing, describe the specific embodiment of the present invention in detail:
Fig. 2 is the cross-sectional view of one embodiment of the invention.
As shown in Figure 2: the two control switchs of temperature and pressure, comprise shell 10, switch enclosure 13 and barrier film 12, barrier film 12 is arranged between shell 10 and the switch enclosure 13, in the upper cavity of the switch enclosure 13 of barrier film 12 bottoms, be provided with pressure switch mechanism, pressure switch mechanism comprises that first accepts parts 15, second accepts parts 16, first along Moving plate 17, second along Moving plate 19, actuating strut 18 and pressure switch bar 20, above-mentioned barrier film 12 is provided with two-layer, the both sides barrier film fits tightly, wherein the two ends of lower floor's barrier film 12a are bent to form supporting plate downwards, first left and right sides of accepting parts 15 is fixed on the supporting plate of the barrier film 12a of lower floor, be formed with cavity between itself and the barrier film 12a of lower floor, in addition, first accept parts 15, first along Moving plate 17, the common centre bore that connects that forms in the middle part of actuating strut 18 and pressure switch bar 20.
Be formed with downward protuberance 15a downwards at first two ends of accepting parts 15, downwards protuberance 15a be positioned at first first the contact both sides of accepting parts 15 bottoms along Moving plate 17;
Second is arranged on second bottom of accepting parts 16 along Moving plate 19, and its circumferential edges is fixed on the inwall of switch enclosure 13.
In the upper cavity of the switch enclosure 13 of lower floor barrier film 12a bottom, also be provided with temperature switch mechanism, wherein, temperature switch mechanism comprises temperature shell fragment 25, catch bar 26 and temperature switch bar 23, wherein temperature shell fragment 25 is arranged on first and accepts in the cavity that parts 15 and the barrier film 12a of lower floor form, catch bar 26 then is arranged on first and accepts parts 15, first along Moving plate 17, in actuating strut 18 and the pressure switch bar 20 common centre bores that form, the top of catch bar 26 is positioned at the bottom of temperature shell fragment 25, its low side then is positioned at the top of temperature switch bar 23, in addition, one end of temperature switch bar 23 is provided with temperature contact 23a, the bottom of temperature contact 23a is a temperature fixed contact 24, temperature contact 23a and temperature fixed contact 24 are oppositely arranged, and constitute temperature switch.
The course of work of the present invention is:
(1) when system is subjected to the pressure of fluid: fluid flows into by fluid passage, the pressure of its generation presses down barrier film 12, barrier film 12 presses down the barrier film 12a of lower floor, the barrier film 12a of lower floor then presses down first and accepts parts 15, the first downward protuberance 15a that accepts parts 15 presses down first along Moving plate 17, first along the Moving plate distortion, press down second protruding upward the 16a that accepts parts 16 that is in contact with it, and then press down second and accept parts 16, second accepts the middle protuberance 16b pushing second downwards of parts 16 along Moving plate 19, second along Moving plate 19 generation deformation, and first above-mentioned suitable 17 distortion while of the Moving plate pressing action bar 18, actuating strut 18 is pushing pressure switch bar 20 downwards, and 21 of the pressure contacts of pressure switch bar 20 1 ends contact with pressure fixing contact 22 downwards, and pressure switch is closed.
If pressure reduces, then second reply to previous status along Moving plate 19, and then, make actuating strut 18, first accept parts 16 and first and accept parts 15 answer that all makes progress that at this moment, pressure switch is opened along Moving plate 17, second.
(2) when system experiences the variations in temperature of system: when temperature raises, temperature shell fragment 25 deforms, it presses down catch bar 26, catch bar 26 presses temperature switch bar 20 downwards, the temperature contact 23a of temperature switch bar 20 1 ends moves downward, contact with temperature fixed contact 24, temperature switch is closed.
Under the situation that temperature switch is closed, if temperature reduces, then temperature shell fragment 25 and catch bar 26 are replied to original position, and at this moment, temperature switch is opened.
Certainly, in the process that temperature shell fragment 25 deforms, also can press down first simultaneously and accept parts 15, other process is identical with the course of work of pressure switch, repeats no more, and can cause pressure switch to be closed simultaneously this moment.
Certainly, in the process that pressure and temperature changes simultaneously, pressure switch and temperature switch concurrently-acting.
The present invention is simple in structure, has realized the common control of temperature and pressure, has protected system effectively.
Below disclose the present invention with preferred embodiment, so it is not in order to restriction the present invention, and all employings are equal to replaces or technical scheme that the equivalent transformation mode is obtained, all drops within protection scope of the present invention.
Claims (3)
1. two control switchs of a temperature and pressure, comprise shell, switch enclosure and barrier film, barrier film is arranged between shell and the switch enclosure, in the upper cavity of the switch enclosure of barrier film bottom, be provided with pressure switch mechanism, pressure switch mechanism comprises that first accepts parts, second accepts parts, first along Moving plate, second along Moving plate, actuating strut and pressure switch bar, it is characterized in that, above-mentioned barrier film is provided with two-layer, two-layer barrier film fits tightly, wherein the two ends of lower floor's barrier film are bent to form supporting plate downwards, first left and right sides of accepting parts is fixed on the supporting plate of lower floor's barrier film, be formed with cavity between itself and the lower floor's barrier film, in addition, first accept parts, first along Moving plate, the common centre bore that connects that forms in the middle part of actuating strut and pressure switch bar.
2. the two control switchs of temperature and pressure according to claim 1 is characterized in that, also are provided with temperature switch mechanism in the upper cavity of the switch enclosure of lower floor barrier film bottom.
3. the two control switchs of temperature and pressure according to claim 2, it is characterized in that, described temperature switch mechanism comprises the temperature shell fragment, catch bar and temperature switch bar, wherein the temperature shell fragment is arranged on first and accepts in the cavity that parts and lower floor barrier film form, catch bar then is arranged on first and accepts parts, first along Moving plate, in the common centre bore that forms of actuating strut and pressure switch bar, the top of catch bar is positioned at the bottom of temperature shell fragment, its low side then is positioned at the top of temperature switch bar, in addition, one end of temperature switch bar is provided with the temperature contact, the bottom of temperature contact is the temperature fixed contact, temperature contact and temperature fixed contact are oppositely arranged, and constitute temperature switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105808543A CN102024621A (en) | 2010-12-09 | 2010-12-09 | Temperature and pressure doubly-controlled switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105808543A CN102024621A (en) | 2010-12-09 | 2010-12-09 | Temperature and pressure doubly-controlled switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102024621A true CN102024621A (en) | 2011-04-20 |
Family
ID=43865795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105808543A Pending CN102024621A (en) | 2010-12-09 | 2010-12-09 | Temperature and pressure doubly-controlled switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102024621A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104752096A (en) * | 2013-12-26 | 2015-07-01 | 株式会社鹭宫制作所 | Pressure switch |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02192632A (en) * | 1988-11-15 | 1990-07-30 | Omron Tateisi Electron Co | Pressure switch |
| JPH1154003A (en) * | 1997-08-08 | 1999-02-26 | Fuji Koki Corp | Pressure switch |
| CN1307349A (en) * | 2000-01-27 | 2001-08-08 | 株式会社不二工机 | Pressure switch |
| CN201000858Y (en) * | 2007-01-23 | 2008-01-02 | 浙江力夫机电制造有限公司 | Air pressure control switch |
| CN101345159A (en) * | 2008-08-20 | 2009-01-14 | 朱英年 | Temperature controller with temperature control and protection function |
| CN201927544U (en) * | 2010-12-09 | 2011-08-10 | 太平洋电子(昆山)有限公司 | Temperature and pressure dual-control switch |
-
2010
- 2010-12-09 CN CN2010105808543A patent/CN102024621A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02192632A (en) * | 1988-11-15 | 1990-07-30 | Omron Tateisi Electron Co | Pressure switch |
| JPH1154003A (en) * | 1997-08-08 | 1999-02-26 | Fuji Koki Corp | Pressure switch |
| CN1307349A (en) * | 2000-01-27 | 2001-08-08 | 株式会社不二工机 | Pressure switch |
| CN201000858Y (en) * | 2007-01-23 | 2008-01-02 | 浙江力夫机电制造有限公司 | Air pressure control switch |
| CN101345159A (en) * | 2008-08-20 | 2009-01-14 | 朱英年 | Temperature controller with temperature control and protection function |
| CN201927544U (en) * | 2010-12-09 | 2011-08-10 | 太平洋电子(昆山)有限公司 | Temperature and pressure dual-control switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104752096A (en) * | 2013-12-26 | 2015-07-01 | 株式会社鹭宫制作所 | Pressure switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201927544U (en) | Temperature and pressure dual-control switch | |
| CN203573878U (en) | Press switch | |
| ATE368290T1 (en) | KEY SWITCH | |
| CN100511533C (en) | Actuator for electrical press switch particular in automobile | |
| TW200721455A (en) | Improved thermal isolation for an active-sidewall phase change memory cell | |
| CN102024621A (en) | Temperature and pressure doubly-controlled switch | |
| CN105531785B (en) | Electronic product key waterproof construction and the waterproof mobile phone using the structure | |
| CN206516503U (en) | A kind of drive module and hand transmitting equipment | |
| CN202230932U (en) | Key type wane switch | |
| CN206524274U (en) | Key switch and the keyboard using the key switch | |
| TW200710903A (en) | Relay device using conductive fluid | |
| CN204045452U (en) | A kind of noiseless touch-switch | |
| CN203026415U (en) | Key structure | |
| CN204956718U (en) | Crossbeam formula locking ware | |
| US11495418B2 (en) | Multipolar switch | |
| CN103413706A (en) | Switch of switch cabinet | |
| CN210489487U (en) | Spring sheet type membrane switch | |
| CN209015957U (en) | A kind of reset bond structure | |
| CN2752932Y (en) | Tickle-type switch key pressing device | |
| WO2006113344A3 (en) | Actuators with connected diaphragms | |
| CN206931500U (en) | A kind of microswitch suitable for swing campaign | |
| CN203910674U (en) | Hydraulic pressure switch | |
| CN202150396U (en) | Flat type structure of reset button switch | |
| JPH0648704Y2 (en) | Membrane switch structure | |
| CN219610272U (en) | Hall translation rocker push type key |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110420 |