CN2760350Y - A temperature control counterbalance valve - Google Patents
A temperature control counterbalance valve Download PDFInfo
- Publication number
- CN2760350Y CN2760350Y CN 200420082595 CN200420082595U CN2760350Y CN 2760350 Y CN2760350 Y CN 2760350Y CN 200420082595 CN200420082595 CN 200420082595 CN 200420082595 U CN200420082595 U CN 200420082595U CN 2760350 Y CN2760350 Y CN 2760350Y
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- cavity
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- driver plate
- memory spring
- sampling
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Abstract
The utility model relates to a temperature-controlled counterbalance valve. The cavity of the existing sequence valve is divided into two independent spaces of a sampling cavity and a discharging cavity, wherein a memory spring which is made from shape memory alloy is additionally arranged in the sampling cavity; a sample inlet and a sample outlet which are communicated with the sampling cavity and the outside world are respectively arranged on the main body on which the memory spring is positioned. The heat of sampling fluid, which enters the sampling cavity through the sample inlet, can affect the memory spring to generate deformation; the memory spring is lengthened or shorted to change the pressure to realize that the discharge of controlled gas is automatically regulated, and thus the utility model can obtain the intended purposes of reducing the energy consumption of an air supply system and saving precious energy resource.
Description
Affiliated technical field
The utility model relates to a kind of back pressure valve, and relates more specifically to a kind of temperature controlled back pressure valve that air supply system is used.
Background technique
Along with the continuous development of telecommunications, the telecommunication cable air supply system has played crucial effects to the normal operation of communications system.For this reason, be extensive use of general back pressure valve at present in the telecommunication cable air supply system and obtained dry as far as possible air-flow, but the general back pressure valve of prior art does not have self-regulating function, thereby in order to obtain dry as far as possible air-flow, may make whole air supply system be in the high energy consumption state all the time, it can not satisfy under the prerequisite of usage requirement, adjusts automatically according to the variation of environmental conditions, therefore is unfavorable for energy saving and reduces the operating cost of system.Especially in the face of under the situation that world energy sources is more and more in short supply now, it is most important to seem especially, is the extremely urgent problem to be solved that has.
Summary of the invention
The purpose of this utility model is that be to provide can be according to the variation of air supply system state of temperature, and can realizes a kind of temperature controlled back pressure valve of control automatically by automatic regulating valve door pressure.
The utility model is realized by following design: be embedded a circlip for hole in the main body of existing back pressure valve, again at the circlip for hole seat of honour one sealing block, the cavity in the main body is separated into upper and lower two spaces independently of sampling cavity and exhaust chamber.In main body up-sampling cavity zone, establish a memory spring of making by marmem, its end contacts with pressure adjusting lever by driver plate; The other end is in regular turn by another driver plate, drive link and place the driver plate on the former stage clip to contact.Described drive link then passes the sealing block that places on the circlip for hole, and two ends contact with memory spring or stage clip by upper and lower two driver plates respectively.On the main body at place, memory spring place, set up the outlet of sample inlet and sample separately, their two ends communicate with the sampling cavity and the external world respectively.
Between sealing block and drive link, be embedded seal ring.The periphery of the driver plate on memory spring and the driver plate of stage clip lower end is embedded seal ring respectively.Between step and sealing block in the main body cavity, a seal ring is set also.
Effect of the present utility model is clearly, adopt back pressure valve of the present utility model, the sampling fluid of being imported enters in the sampling cavity in the utility model device by sample inlet, and acts on memory spring and whole sampling cavity, flows out device of the present utility model from the sample outlet then.No matter the used sampling fluid of the utility model is liquid or gas, its temperature is the strain capacity of ambient temperature, and both are proportional, for example, when ambient temperature changes in 0 to 40 ℃ of scope, the temperature of sampling fluid will correspondingly change in 75 to 95 ℃ of scopes.When ambient temperature is high, system works is pressure controlled to be increased, though it advantageously can make system dehumidification capability control increase, obtain better work effect, but its disadvantage is the dehumidifying effect of the overproof increase of no purpose system, certainly will want corresponding increasing energy consumption, both waste the energy, enlarge operating cost again.Therefore, energy-conservation key is that device can realize self-regulating function, and promptly according to the height of operating ambient temperature, the working pressure of adjust system correspondingly at any time is to reach energy-conservation purpose.Sampling fluid of the present utility model is in flow process, the heat that it brings will directly act on memory spring and whole sampling cavity, because memory spring system adopts marmem to make, this certain material with Memorability, it can be under a temperature, or under two temperature, remembers certain shape or two kinds of shapes respectively, can recover institute's memorized shape automatically fully when temperature arrives certain value, this specific character has been broken the routine that the common metal material expands with heat and contract with cold fully.This material also has superelasticity, and its strain capacity can be up to 20%, unload de-stress after, still can return to the original form again.And the power that memory spring produces because of deformation, to finally act on pressure spring by aforesaid driver plate, drive link, driver plate structure, thereby make the pressure that is obstructed of the controlled gas of desiring to enter in the exhaust chamber that corresponding the variation be taken place, and the variation of the pressure that is obstructed by this controlled gas directly influence the working efficiency of air supply system.Because having, can extend after being heated marmem, the characteristic that can shrink again, and therefore, only in the scope of setting, memory spring is only suitable to the pressure of pressure spring the sampling fluid temperature (F.T.) of input.Otherwise, because the contraction of marmem, promptly the pressure of memory spring to pressure spring is reduced, little when a certain setting value when it, but the resistance that the pressure breakthrough pressure spring of controlled gas is given, and this moment, controlled gas entered exhaust chamber, and from the air outlet of being located at exhaust chamber with controlled gaseous emission to gas holder, thereby the utility model can guarantee that controlled gas is under the suitable dry prerequisite, realizes reducing the energy consumption of air supply system, the intended purposes of the saves valuable energy.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described, thereby make CONSTRUCTED SPECIFICATION of the present utility model, characteristics, purpose and advantage clearer and more definite.
Accompanying drawing is the utility model embodiment's a structural representation.
Embodiment
The utility model embodiment's structure now is described in conjunction with the accompanying drawings: a kind of temperature controlled back pressure valve, as shown in drawings, by comprising that main body 3, main body base 13, pressure adjusting lever 1, driver plate 5c and 5d, stage clip 12, suction port 14a and air outlet 14b form.
Described main body 3 is passed through the fastening piece seat on main body base 13, its both middle cavitys 4 that form.In cavity 4, be embedded a circlip for hole 11, again at circlip for hole 11 seats of honour one sealing block 10.Then described sealing block 10 is separated into cavity 4 upper and lower two separate space of sampling cavity 4a and exhaust chamber 4b.Have a drive link 9 to pass through in sealing block 10, and can slide therein, its two ends are in respectively in the sampling cavity 4a zone different with exhaust chamber 4b.
On the main body base 13 in exhaust chamber 4b, seat has driver plate 5d, stage clip 12 and driver plate 5c in regular turn, and described driver plate 5c contacts with a termination that is in the interior drive link 9 of exhaust chamber 4b.Be located at suction port 14a and air outlet 14b on the main body base 13, be connected with exhaust chamber 4b respectively, and the driver plate 5d of seat in exhaust chamber 4b covers suction port 14a and air outlet 14b simultaneously.
In sampling cavity 4a, be on drive link 9 terminations of sampling cavity 4a one end, place driver plate 5b, memory spring 7 and driver plate 5a in regular turn, described memory spring 7 is to be made by marmem, and on the main body 3 at place, memory spring 7 places, set up sample inlet 8a and sample outlet 8b separately, they communicate with the sampling cavity 4a and the external world respectively.Pressure adjusting lever 1 stretches into outside main body 3 in the sampling cavity body 4a, and can rely on worm structure to regulate it to stretch into the degree of depth in the sampling cavity 4a, and the termination of described pressure adjusting lever 1 contacts with driver plate 5a.
This above, pressure adjusting lever 1, driver plate 5a, memory spring 7, driver plate 5b, drive link 9, driver plate 5c, stage clip 12 and driver plate 5d in the present embodiment, connect the being aligned seat successively up and down on main body base 13, when regulating pressure adjusting lever 1 and stretch into the degree of depth in the sampling cavity 4a, can increase or reduce the pressure size of 12 couples of driver plate 5d of stage clip, also be the pressure that controlled gas is obstructed in the air supply system in the suction port 14a that is connected with exhaust chamber 4b of can regulate.When the pressure of controlled gas covers the pressure of suction port 14a greater than driver plate 5d, controlled gas just can overcome resistance and back down driver plate 5d, this moment, suction port 14a and air outlet 14b then were connected by exhaust chamber 4b, controlled gas in the suction port 14a, by exhaust chamber 4b and air outlet 14b, be disposed in the gas holder, thereby realize that the utility model reduces the energy consumption of air supply system, the intended purposes of the saves valuable energy.
Otherwise, when the pressure of controlled gas covers the pressure of suction port 14a less than driver plate 5d, driver plate 5d covers suction port 14a and air outlet 14b simultaneously, and promptly suction port 14a and air outlet 14b do not communicate between the two, and the controlled gas among the suction port 14a can't enter in the gas holder.
Above-mentioned driver plate 5d covers the pressure of suction port 14a, and the degree of depth and the memory spring 7 that can rely on adjusting pressure adjusting lever 1 to stretch in the sampling cavity 4a are realized, and reached the normal value of setting.Then, in the course of the work, the sampling fluid with the sampled point that places setting obtains comprises gas or liquid, flows in the sampling cavity 4a by the sample inlet 8a that is located on the main body 3, and flows out from sample outlet 8b.But its heat of bringing into acts on the whole sampling cavity 4a that comprises memory spring 7, the memory spring of making by marmem 7, because marmem has aforesaid Memorability, therefore memory spring 7 is in the thermal change process, deformation will take place in it, and promptly memory spring 7 will elongate or shorten, it elongate or shorten increase or the minimizing that then produces simultaneously driver plate 5d pressure, thereby play the utility model automatic pressure regulation, realize the effect of whether discharging.
For tightly just cavity be separated into for the purpose of upper and lower two separate space, in driver plate 5a periphery, be embedded seal ring 6a.10 of the step of cavity 4 and sealing blocks, seal ring 6b is set.At the hole of sealing block 10 Nei Chu, be embedded seal ring 6c.In driver plate 5d periphery, be embedded seal ring 6d.Above-mentioned all seal rings or sealing block, can intercept the space between its position, place structural member, so, the sampling fluid that enters among the sampling cavity 4a can not leak, and the controlled gas that enters among the exhaust chamber 4b can not invaded in sampling cavity 4a yet, thereby it is correct and effective to guarantee that the utility model is implemented.
Enter for the purpose of the exhaust chamber in order to guarantee tightly to block in normal operation controlled gas, on the bottom surface of driver plate 5d, and with suction port 14a synapsis mutually, be embedded a sealing plate 15.Described sealing plate 15 can be with softnesses such as rubber but the rubber-like material, and covers suction port 14a and air outlet 14b under the spring pressure of the utility model setting, prevents the leakage of controlled gas.For the purpose of the pressure of stablizing initial setting, on the pressure adjusting lever 1 outside main body 3, be provided with setscrew nut 2.After adjusting pressure adjusting lever 1, screwed in place nut 2 can prevent the loosening of pressure adjusting lever 1 and the initial pressure guaranteeing to set invariable.
Claims (4)
1. temperature controlled back pressure valve, by comprise main body (3), main body base (13), pressure adjusting lever (1), driver plate (5c) and (5d), stage clip (12), suction port (14a) and air outlet (14b) form, described main body (3) is passed through the fastening piece seat on main body base (13), form cavity (4) in the middle of it, pressure adjusting lever (1) stretches into cavity (4) outside main body (3); The suction port (14a) and air outlet (14b) that are located on the main body base (13) lead to cavity (4) respectively; Seat is on main body base (13) in regular turn to place cavity (4) interior driver plate (5d), stage clip (12) and driver plate (5c), and driver plate (5d) can cover suction port (14a) and air outlet (14b) simultaneously, it is characterized in that:
In cavity (4), be embedded a circlip for hole (11), seat one sealing block (10) again on it, described sealing block (10) is separated into upper and lower two spaces independently of sampling cavity (4a) and exhaust chamber (4b) with cavity (4);
In main body (3) up-sampling cavity (4a) zone, an if memory spring (7), one end of described memory spring (7) contacts with pressure adjusting lever (1) by driver plate (5a), and the other end contacts with stage clip (12) with driver plate (5c) by driver plate (5b), drive link (9) in regular turn;
Described drive link (9) passes through sealing block (10), and its two ends are in respectively in sampling cavity (4a) and the exhaust chamber (4b);
On the main body (3) at place, memory spring (7) place, set up sample inlet (8a) and sample outlet (8b) separately, they communicate with the sampling cavity (4a) and the external world respectively.
2. by the described a kind of temperature controlled back pressure valve of claim 1, it is characterized in that:
In the periphery of driver plate (5a), be embedded seal ring 6a;
Between the step and sealing block (10) of cavity (4), seal ring 6b is set;
Hole Nei Chu at sealing block (10) is embedded seal ring 6c;
In the periphery of driver plate (5d), be embedded seal ring 6d.
3. by claim 1 or 2 described a kind of temperature controlled back pressure valves, it is characterized in that: on the bottom surface of driver plate (5d), and with suction port (14a) and air outlet (14b) synapsis mutually, be embedded a sealing plate 15.
4. by the described a kind of temperature controlled back pressure valve of claim 3, it is characterized in that: on the pressure adjusting lever (1) outside main body (3), be provided with setscrew nut 2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420082595 CN2760350Y (en) | 2004-09-06 | 2004-09-06 | A temperature control counterbalance valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200420082595 CN2760350Y (en) | 2004-09-06 | 2004-09-06 | A temperature control counterbalance valve |
Publications (1)
Publication Number | Publication Date |
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CN2760350Y true CN2760350Y (en) | 2006-02-22 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200420082595 Expired - Lifetime CN2760350Y (en) | 2004-09-06 | 2004-09-06 | A temperature control counterbalance valve |
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CN (1) | CN2760350Y (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100359232C (en) * | 2004-09-06 | 2008-01-02 | 上海华诚通信器材有限公司 | Sequence valve with temp. memory |
CN107183788A (en) * | 2017-06-30 | 2017-09-22 | 云南中烟工业有限责任公司 | A kind of intelligent cigarette heating chamber part device |
CN108150704A (en) * | 2017-11-25 | 2018-06-12 | 安徽省华象铜业有限公司 | A kind of heat blocking structure for remembering spool |
-
2004
- 2004-09-06 CN CN 200420082595 patent/CN2760350Y/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100359232C (en) * | 2004-09-06 | 2008-01-02 | 上海华诚通信器材有限公司 | Sequence valve with temp. memory |
CN107183788A (en) * | 2017-06-30 | 2017-09-22 | 云南中烟工业有限责任公司 | A kind of intelligent cigarette heating chamber part device |
CN108150704A (en) * | 2017-11-25 | 2018-06-12 | 安徽省华象铜业有限公司 | A kind of heat blocking structure for remembering spool |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080102 |
|
C25 | Abandonment of patent right or utility model to avoid double patenting |