CN105043078A - Low drop-out transmission valve sealing control method and low drop-out transmission valve - Google Patents
Low drop-out transmission valve sealing control method and low drop-out transmission valve Download PDFInfo
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- CN105043078A CN105043078A CN201510463101.7A CN201510463101A CN105043078A CN 105043078 A CN105043078 A CN 105043078A CN 201510463101 A CN201510463101 A CN 201510463101A CN 105043078 A CN105043078 A CN 105043078A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 77
- 238000007789 sealing Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005520 cutting process Methods 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Abstract
A kind of sealing control method and low voltage difference transmission valve of low voltage difference transmission valve,Wherein,Method includes between adjacent two working box for being connected or separating the transmission valve of the working box,Setting is used to measure the first pressure sensor of the first pressure P1 in the first working box,Second pressure sensor for measuring third pressure P2 is set in the second working box,Third pressure sensor for measuring third pressure P0 is set in transmission valve,Control device,For the state according to the first pressure P1 and the second pressure P2,Control the state of third pressure P0; When maximum value+PN+ in P0 ＞ P1 and P2
; It keeps third pressure P0 constant, and closes motor. The present invention can reach protection motor, extend the purpose of the service life of motor; It is also possible to reduce the design requirement to hermatic door open-and-close mechanism, achieve the purpose that reduce cost.
Description
Technical field
The present invention relates to sealing control method and the low voltage difference transmission valve of a kind of low voltage difference transmission valve, especially relate to a kind of sealing control method and low voltage difference transmission valve of the low voltage difference transmission valve being suitable for that the vacuum tunnel formula baking box of lithium battery or lithium battery pole slice uses.
Background technology
At present, in new energy materials manufacturing process, also need if desired to toast new energy materials, to remove moisture content, such as, the manufacture of electrodes of lithium-ion batteries or lithium ion battery, just needs electrodes of lithium-ion batteries or lithium ion battery to carry out degree of depth oven dry.What modal drying plant adopted is Inner eycle list casing baking box, it first loads in vacuum bakeout case by the lithium battery be baked or battery electrode, again vacuum bakeout case is sealed, at ambient pressure, first the material that is baked in casing is heated, heat up, after the temperature inside the box reaches requirement, when being incubated, removing moisture will be vacuumized in casing, after the water content of battery pole piece reaches requirement, again the electrode of lithium cell be baked in casing or battery are cooled, nature can be selected to cool or force cooling, the temperature of electrode of lithium cell or the battery core be baked is dropped to a certain degree, the electrode of lithium cell be baked or battery are taken out sealing preserve, water content due to battery pole piece needs to reach very high requirement, and therefore, in whole process, the sealing of inner loop list casing baking box has strict requirement, crowd knows, in the manufacture process of electrodes of lithium-ion batteries or lithium ion battery, the operations such as the electrode slice coating before baking operation or the manufacture of battery are all the forms of continuous print streamline, and when will enter Inner eycle list casing baking box, thing to be dried is now just needed first to accumulate a certain amount of, put into described Inner eycle list casing baking box again to heat, heat up, the operation such as to vacuumize, although this kind of Inner eycle list casing baking box sealing is better, but this single casing baking box just makes baking operation cannot be streamline form with operations such as coatings before, and at every turn all need thing to be dried to insert in Inner eycle list casing baking box or in Inner eycle list casing baking box and take out, so just cause operation numerous and diverse, reduce production efficiency.
In order to solve the problem, enhance productivity, pertinent art investigated a kind of tunnel type vacuum oven, as shown in Figure 3, Fig. 3 is two adjacent functional compartment body partial schematic diagrams of existing tunnel formula baking line, and whole piece tunnel type baking line is made up of the structure that more piece is such.The general structure of this tunnel type baking box is, comprise adjacent two working box 100, 200, working box 100 between described, 200 are provided with transmission valve, described transmission valve comprises the enclosed hood 300 be tightly connected with described working box, be located at the reciprocating drive mechanism 400 in described enclosed hood 300, and for doing for described reciprocating drive mechanism 400 the first guide be arranged in parallel spaced a predetermined distance and the second guide (not shown) that pump, described reciprocating drive mechanism 400 comprises reciprocating drive unit 410, the nut-screw rod structure 412 or gear & rack structure that motor 411 drives is generally with described reciprocating drive unit 410() the reciprocal driving gate 460 that is connected, and the hermatic door open-and-close mechanism 420 to be connected with reciprocal driving gate 460, described hermatic door open-and-close mechanism 420 is connected with the first hermatic door 430 and the second hermatic door 440, in described enclosed hood 300, be provided with for described reciprocal driving gate 400 move around dodge space 450, when two described hermatic doors 430,440 draw in, described reciprocal driving gate 400 moves to described predetermined when dodging in space 450, is communicated with between two described working box 100,200, on the contrary, the case mouth 110,210 of working box 100,200 is spaced by described hermatic door 430,440 and corresponding sealing ring 431,441 thereof by two described working box 100,200, in real work, when the pressure difference of adjacent two described working box is larger, the hermatic door of side working box less for pressure can tightly be pressed on the less side working box of pressure by the pressure in the side working box that pressure is larger, uses two working box to cut off, but when the pressure in two described working box is equal or pressure difference is less, when absolute value as the difference of the pressure P2 in the pressure P1 in the first working box 100 and the second working box 200 is less than 10,000 Pa, due between hermatic door 430, 440 and two working box 100, sealing ring 460 between 200, the bounce effect of 470, want to make two working box 100, by hermatic door 430 between 200, 440 separate completely, just need reciprocating drive unit 410 to hermatic door 430, 440 impose enough large power, and keep this power, just can make two working box 100, 200 cut off completely.Existing reciprocating drive unit 410 generally adopts motor by nut-screw rod structure or the reciprocal driving gate 460 of gear-rack drive, realize hermatic door 430,440 folding, but, existing working box will complete a procedure all needs the regular hour, if kept the sealing of hermatic door 430,440 for a long time by motor-driven mode, be easy to the life-span (burn-down of electric motor) shortening motor.In order to head it off, people devise and replace motor to drive reciprocal driving gate 400 with cylinder, but in the unstability due to air pressure, affect the sealing effectiveness of hermatic door 430,440, if adopt enough large atmospheric pressure to push down hermatic door open-and-close mechanism 420, although can sealing effectiveness be improved, for hermatic door open-and-close mechanism 420 designing requirement and with material require also very high, increase manufacturing cost; People devise again and replace motor to drive reciprocating drive mechanism 400 with oil cylinder, although have good sealing effectiveness, and, because oil cylinder needs a whole set of oil hydraulic system next supporting, cost is very high.How namely can adopt lower-cost motor drive mode, and motor service life can be extended, and neither be very high to the designing requirement of hermatic door open-and-close mechanism 420, can improve again the sealing effectiveness of hermatic door 430,440 well, be industry technical staff problem demanding prompt solution.
Summary of the invention
The object of the invention is for the problems referred to above, there is provided a kind of to society namely to drive with the motor of lower cost, motor service life can be extended again, and the hermatic door sealing control method of the low voltage difference transmission valve of good sealing effect and low voltage difference transmission valve during operation.
Technical scheme of the present invention realizes: provide a kind of low voltage difference to transmit the sealing control method of valve, comprise be located between adjacent two working box for conducting or the transmission valve cutting off described working box,
First pressure sensor is set in the first working box, for measuring the first pressure P1 in described first working box;
Second pressure sensor is set in the second working box, for measuring the second pressure P2 in described second working box;
In transmission valve, the 3rd pressure sensor is set, for measuring the 3rd pressure P0 in described transmission valve;
Control device, for the state according to the first pressure P1 and the second pressure P2, controls the state of the 3rd pressure P0;
After transmission valve cuts out, if the absolute value of the difference of the first pressure P1 and the second pressure P2 is more than or equal to zero when being less than or equal to 10000Pa, control device controls executing agency and input dry gas in transmission valve, make the pressure in transmission valve reach the 3rd pressure P0, the hermatic door of transmission valve is pressed on the doorway of working box;
Maximum+PN+ in the middle of P0 > P1 and P2
Wherein, P0 is the 3rd pressure, and P1 is the first pressure, and P2 is the second pressure, PN be sealing ring hermetically sealed time initial bounce to the pressure of hermatic door,
it is the absolute value of the difference of the first pressure P1 and the second pressure P2.
As improvement of the present invention, described transmission valve is designed to: comprise the enclosed hood be tightly connected with described working box, the reciprocating drive mechanism be located in described enclosed hood, described reciprocating drive mechanism comprises reciprocating drive unit, the reciprocal driving gate be connected with described reciprocating drive unit, and the hermatic door open-and-close mechanism to be connected with reciprocal driving gate, described hermatic door open-and-close mechanism is connected with the first hermatic door and the second hermatic door, in described enclosed hood, be provided with for described reciprocal driving gate move around dodge space; When two described hermatic doors, gathering, described reciprocal driving gate moves to described predetermined when dodging in space, is communicated with between two described working box; On the contrary, two described working box are spaced.
As improvement of the present invention, closing transmission valve process is as follows, described reciprocating drive mechanism gives described hermatic door force, described hermatic door is made to compress two described working box, and input the 3rd pressure P0 in enclosed hood, keep the 3rd pressure P0, remove described reciprocating drive mechanism to described hermatic door pressure.
As improvement of the present invention, open transmission valve process as follows, described reciprocating drive mechanism gives described hermatic door force, described hermatic door is made to compress two described working box, the 3rd pressure P0 in removal enclosed hood, the pressure in adjustment seal closure, makes the first pressure P1 in the pressure in seal closure and described working box and the second pressure P2 close, then, promote described hermatic door to described in dodge in space.
The present invention also provides a kind of low voltage difference to transmit valve, comprise enclosed hood, the reciprocating drive mechanism be located in described enclosed hood, described reciprocating drive mechanism comprises reciprocating drive unit, the reciprocal driving gate be connected with described reciprocating drive unit, and the hermatic door open-and-close mechanism to be connected with reciprocal driving gate, described hermatic door open-and-close mechanism is connected with the first hermatic door and the second hermatic door, in described enclosed hood, be provided with for described reciprocal driving gate move around dodge space; When two described hermatic doors draw in, described reciprocal driving gate moves to described predetermined when dodging in space, is communicated with between two described working box; On the contrary, two described working box are spaced;
First pressure sensor is set in the first working box, for measuring the first pressure P1 in described first working box;
Second pressure sensor is set in the second working box, for measuring the second pressure P2 in described second working box;
In transmission valve, the 3rd pressure sensor is set, for measuring the 3rd pressure P0 in described transmission valve;
Control device, for the state according to the first pressure P1 and the second pressure P2, controls the state of the 3rd pressure P0;
After transmission valve cuts out, if the absolute value of the difference of the first pressure P1 and the second pressure P2 is more than or equal to zero when being less than or equal to 10000Pa, control device controls executing agency and input dry gas in transmission valve, make the pressure in transmission valve reach the 3rd pressure P0, the hermatic door of transmission valve is pressed on the doorway of working box;
Maximum+PN+ in the middle of P0 > P1 and P2
Wherein, P0 is the 3rd pressure, and P1 is the first pressure, and P2 is the second pressure, PN be sealing ring hermetically sealed time initial bounce to the pressure of hermatic door,
it is the absolute value of the difference of P1 and P2.
As improvement of the present invention, described reciprocating drive unit comprises motor and nut-screw rod structure, and the nut in described nut-screw rod structure is connected with described reciprocal driving gate.
As improvement of the present invention, described hermatic door open-and-close mechanism is hinge structure.
The present invention is owing to have employed after transmission valve cuts out, when detecting that the pressure difference of two working box is mutually less than certain predetermined value, control device controls executing agency and input dry air in transmission valve, the pressure in transmission valve is made to be enough to two hermatic doors to seal, in this case, just can stop the force of reciprocating drive unit, to reach protection motor, extend the object in the service life of motor; Meanwhile, also can reduce the designing requirement to hermatic door open-and-close mechanism, reach the object reduced costs.
Accompanying drawing explanation
Fig. 1 is the frame structure schematic diagram of a kind of embodiment of method in the present invention.
Fig. 2 is the planar structure schematic diagram that a kind of embodiment of valve is transmitted in the present invention.
Fig. 3 is the planar structure schematic diagram of existing transmission valve.
Detailed description of the invention
In describing the invention, it will be appreciated that, orientation or the position relationship of the instruction such as " " center ", " on ", D score, "front", "rear", "left", "right" in term be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " connection ", " being connected " should be interpreted broadly, and such as, can be fixedly connected with, and also can be that dismounting connects, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also can be indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term can be understood at concrete meaning of the present invention.In addition, in describing the invention, except as otherwise noted, the implication of " multiple ", " some " is two or more.
Refer to Fig. 1, the invention provides a kind of low voltage difference transmission valve sealing control method, comprise be located between adjacent two working box 1,2 for conducting or the transmission valve 3 cutting off described working box 1,2,
S1, the first pressure sensor 11 is set in the first working box 1, for measuring the first pressure P1 in described first working box 1;
S2, the second pressure sensor 21 is set in the second working box 2, for measuring the second pressure P2 in described second working box 2;
S3, transmission valve 3 in the 3rd pressure sensor 33 is set, for measuring the 3rd pressure P0 in described transmission valve 3;
S4, control device 4, for the state according to the first pressure P1 and the second pressure P2, control the state of the 3rd pressure P0;
After transmission valve cuts out, if the absolute value of the difference of the first pressure P1 and the second pressure P2 is more than or equal to zero when being less than or equal to 10000Pa, control device 4 controls executing agency's (being magnetic valve 41 in the present embodiment) and input dry gas in transmission valve 3, make the pressure in transmission valve reach the 3rd pressure P0, the hermatic door 324,325 of transmission valve 3 is pressed on the doorway of working box 1,2;
Maximum+PN+ in the middle of P0 > P1 and P2
Wherein, P0 is the 3rd pressure, and P1 is the first pressure, and P2 is the second pressure, PN be sealing ring hermetically sealed time initial bounce to the pressure of hermatic door 324,325,
it is the absolute value of the difference of the first pressure P1 and the second pressure P2.
In the present invention, the value of the first pressure P1 and the second pressure P2 can be malleation (being greater than atmospheric value), also can negative pressure (being less than atmospheric value); The value of PN is according to the sealing ring of unlike material, and when it is hermetically sealed, initial bounce can be selected between 300KG-500KG, then divided by sealing ring and hermatic door contact area and draw.
Preferably, described transmission valve 3 can be designed to: comprise and described working box 1, 2 enclosed hoods be tightly connected 31, be located at the reciprocating drive mechanism 32 in described enclosed hood 31, described reciprocating drive mechanism 32 comprises in reciprocating drive unit 321(the present embodiment, multiple drive unit 321 is made up of motor 3211 and nut-screw rod structure 3212, certainly, nut-screw rod structure 3212 also can be replaced by rack-and-pinion), for doing for described reciprocating drive mechanism 32 the first guide be arranged in parallel spaced a predetermined distance and the second guide (not shown) that pump, the reciprocal driving gate 322 be connected with described reciprocating drive unit 321, and the hermatic door open-and-close mechanism 323 to be connected with reciprocal driving gate 322, described hermatic door open-and-close mechanism 323 is connected with the first hermatic door 324 and the second hermatic door 325, in described enclosed hood 31, be provided with for described reciprocal driving gate 322 move around dodge space 326, when two described hermatic doors 324,325 draw in, described reciprocal driving gate 322 moves to described predetermined when dodging in space 326, is communicated with between two described working box 1,2, on the contrary, two described working box 1,2 are spaced by the sealing ring 3241,3251 on two described hermatic doors 324,325 and case mouth 12,22.
Preferably, in the present invention, closing transmission valve 3 process is as follows, described reciprocating drive mechanism 32 exerts a force to described hermatic door 324,325, described hermatic door 324,325 is made to compress two described working box 1,2, and to input the 3rd pressure P0 in enclosed hood 31, keep the 3rd pressure P0, remove described reciprocating drive mechanism 32 to described hermatic door 324,325 pressure.
The present invention is owing to have employed after transmission valve cuts out, when detecting that the pressure difference of two working box is mutually less than certain predetermined value, control device controls executing agency and input dry air in transmission valve, the pressure in transmission valve is made to be enough to two hermatic doors to seal, in this case, just can stop the force of reciprocating drive unit, to reach protection motor, extend the object in the service life of motor; Meanwhile, also can reduce the designing requirement to hermatic door open-and-close mechanism, reach the object reduced costs.
Preferential, transmission valve 3 process is opened as follows in the present invention, described reciprocating drive mechanism 32 exerts a force to described hermatic door 324,325, described hermatic door 324,325 is made to compress two described working box 1,2, the 3rd pressure P0 in removal enclosed hood 31, the pressure in adjustment seal closure 31, makes the first pressure P1 in the pressure in seal closure 31 and described working box 1,2 and the second pressure P2 close, then, promote described hermatic door 324,325 to dodge in space 326 to described.
Refer to Fig. 2, the present invention also provides a kind of low voltage difference to transmit valve, comprise enclosed hood 31, be located at the reciprocating drive mechanism 32 in described enclosed hood 31, described reciprocating drive mechanism 32 comprises reciprocating drive unit 321, for doing for described reciprocating drive mechanism 32 the first guide be arranged in parallel spaced a predetermined distance and the second guide (not shown) that pump, the reciprocal driving gate 322 be connected with described reciprocating drive unit 321, and the hermatic door open-and-close mechanism 323 to be connected with reciprocal driving gate 322, described hermatic door open-and-close mechanism 323 is connected with the first hermatic door 324 and the second hermatic door 325, in described enclosed hood 31, be provided with for described reciprocal driving gate 322 move around dodge space 326, when two described hermatic doors 324,325 draw in, described reciprocal driving gate 322 moves to described predetermined when dodging in space 326, is communicated with between two described working box 1,2, on the contrary, two described working box 1,2 are spaced,
First pressure sensor 11 is set in the first working box 1, for measuring the first pressure P1 in described first working box 1;
Second pressure sensor 21 is set in the second working box 2, for measuring the second pressure P2 in described second working box 2;
In transmission valve 3, the 3rd pressure sensor 31 is set, for measuring the 3rd pressure P0 in described transmission valve 3;
Control device 4, for the state according to the first pressure P1 and the second pressure P2, controls the state of the 3rd pressure P0;
After transmission valve cuts out, if the absolute value of the difference of the first pressure P1 and the second pressure P2 is more than or equal to zero when being less than or equal to 10000Pa, control device 4 controls executing agency and input dry gas in transmission valve 3, make the pressure in transmission valve reach the 3rd pressure P0, the hermatic door 324,325 of transmission valve 3 is pressed on the doorway of working box 1,2;
Maximum+PN+ in the middle of P0 > P1 and P2
Wherein, P0 is the 3rd pressure, and P1 is the first pressure, and P2 is the second pressure, PN be sealing ring hermetically sealed time initial bounce to the pressure of hermatic door 324,325,
it is the absolute value of the difference of P1 and P2.
In the present invention, the value of the first pressure P1 and the second pressure P2 can be malleation (being greater than atmospheric value), also can negative pressure (being less than atmospheric value); The value of PN is according to the sealing ring of unlike material, and when it is hermetically sealed, initial bounce can be selected between 300KG-500KG, then draws divided by the contact area of sealing ring and hermatic door (during calculating, KG is converted into newton is that unit calculates).
Preferably, described reciprocating drive unit 321 comprises motor 3211 and nut-screw rod structure 3212, and the nut in described nut-screw rod structure 3212 is connected with described reciprocal driving gate 322.
Preferably, described hermatic door open-and-close mechanism 323 is hinge structures.
Claims (7)
1. low voltage difference transmission valve a sealing control method, comprise be located between adjacent two working box (1,2) for conducting or the transmission valve (3) cutting off described working box (1,2), it is characterized in that:
First pressure sensor (11) is set in the first working box (1), for measuring the first pressure P1 in described first working box (1);
Second pressure sensor (21) is set in the second working box (2), for measuring the second pressure P2 in described second working box (2);
In transmission valve (3), the 3rd pressure sensor (31) is set, for measuring the 3rd pressure P0 in described transmission valve (3);
Control device (4), for the state according to the first pressure P1 and the second pressure P2, controls the state of the 3rd pressure P0;
After transmission valve cuts out, if the absolute value of the difference of the first pressure P1 and the second pressure P2
be more than or equal to zero when being less than or equal to 10000Pa, control device (4) controls executing agency to input dry gas in transmission valve (3), make the pressure in transmission valve reach the 3rd pressure P0, the hermatic door (324,325) transmitting valve (3) is pressed on the doorway of working box (1,2);
Maximum+PN+ in the middle of P0 > P1 and P2
Wherein, P0 is the 3rd pressure, and P1 is the first pressure, and P2 is the second pressure, PN be sealing ring hermetically sealed time initial bounce to the pressure of hermatic door (324,325),
it is the absolute value of the difference of the first pressure P1 and the second pressure P2.
2. the sealing control method of low voltage difference transmission valve according to claim 1, it is characterized in that, described transmission valve (3) is designed to: comprise and described working box (1, 2) enclosed hood (31) be tightly connected, be located at the reciprocating drive mechanism (32) in described enclosed hood (31), described reciprocating drive mechanism (32) comprises reciprocating drive unit (321), the reciprocal driving gate (322) be connected with described reciprocating drive unit (321), and the hermatic door open-and-close mechanism (323) to be connected with reciprocal driving gate (322), described hermatic door open-and-close mechanism (323) is connected with the first hermatic door (324) and the second hermatic door (325), in described enclosed hood (31), be provided with for described reciprocal driving gate (322) move around dodge space (326), when two described hermatic doors (324,325) draw in, described reciprocal driving gate (322) move to described predetermined dodge space (326) interior time, connection between two described working box (1,2), on the contrary, two described working box (1,2) are spaced.
3. the sealing control method of low voltage difference transmission valve according to claim 1 and 2, it is characterized in that, closing transmission valve (3) process is as follows, described reciprocating drive mechanism (32) exerts a force to described hermatic door (324,325), described hermatic door (324,325) is made to compress two described working box (1,2), and to input the 3rd pressure P0 in enclosed hood (31), keep the 3rd pressure P0, remove described reciprocating drive mechanism (32) to described hermatic door (324,325) pressure.
4. the sealing control method of low voltage difference transmission valve according to claim 1 and 2, it is characterized in that, open transmission valve (3) process as follows, described reciprocating drive mechanism (32) is to described hermatic door (324, 325) exert a force, make described hermatic door (324, 325) two described working box (1 are compressed, 2), the 3rd pressure P0 in removal enclosed hood (31), pressure in adjustment seal closure (31), make the pressure in seal closure (31) and described working box (1, 2) the first pressure P1 in and the second pressure P2 is close, then, promote described hermatic door (324, 325) to described in dodge in space (326).
5. a low voltage difference transmission valve, comprise enclosed hood (31), be located at the reciprocating drive mechanism (32) in described enclosed hood (31), described reciprocating drive mechanism (32) comprises reciprocating drive unit (321), the reciprocal driving gate (322) be connected with described reciprocating drive unit (321), and the hermatic door open-and-close mechanism (323) to be connected with reciprocal driving gate (322), described hermatic door open-and-close mechanism (323) is connected with the first hermatic door (324) and the second hermatic door (325), in described enclosed hood (31), be provided with for described reciprocal driving gate (322) move around dodge space (326), when two described hermatic doors (324,325) draw in, described reciprocal driving gate (322) move to described predetermined dodge space (326) interior time, connection between two described working box (1,2), on the contrary, two described working box (1,2) are spaced, it is characterized in that, the first pressure sensor (11) is set in the first working box (1), for measuring the first pressure P1 in described first working box (1),
Second pressure sensor (21) is set in the second working box (2), for measuring the second pressure P2 in described second working box (2);
In transmission valve (3), the 3rd pressure sensor (31) is set, for measuring the 3rd pressure P0 in described transmission valve (3);
Control device (4), for the state according to the first pressure P1 and the second pressure P2, controls the state of the 3rd pressure P0;
After transmission valve cuts out, if the absolute value of the difference of the first pressure P1 and the second pressure P2
be more than or equal to zero when being less than or equal to 10000Pa, control device (4) controls executing agency to input dry gas in transmission valve (3), make the pressure in transmission valve reach the 3rd pressure P0, the hermatic door (324,325) transmitting valve (3) is pressed on the doorway of working box (1,2);
Maximum+PN+ in the middle of P0 > P1 and P2
Wherein, P0 is the 3rd pressure, and P1 is the first pressure, and P2 is the second pressure, PN be sealing ring hermetically sealed time initial bounce to the pressure of hermatic door (324,325),
it is the absolute value of the difference of the first pressure P1 and the second pressure P2.
6. low voltage difference transmission valve according to claim 5, it is characterized in that, described reciprocating drive unit (321) comprises motor (3211) and nut-screw rod structure (3212), and the nut in described nut-screw rod structure (3212) is connected with described reciprocal driving gate (322).
7. the low voltage difference transmission valve according to claim 5 or 6, it is characterized in that, described hermatic door open-and-close mechanism (323) is hinge structure.
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| CN201510463101.7A CN105043078B (en) | 2015-08-01 | 2015-08-01 | Low drop-out transmission valve sealing control method and low drop-out transmission valve |
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| CN201510463101.7A CN105043078B (en) | 2015-08-01 | 2015-08-01 | Low drop-out transmission valve sealing control method and low drop-out transmission valve |
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| CN105043078B CN105043078B (en) | 2017-05-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111244A (en) * | 2021-10-11 | 2022-03-01 | 山西悦凌空调有限公司 | Daylily district section drying-machine |
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| CN204923765U (en) * | 2015-08-01 | 2015-12-30 | 深圳市信宇人科技有限公司 | Poor transmission valve of low pressure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114111244A (en) * | 2021-10-11 | 2022-03-01 | 山西悦凌空调有限公司 | Daylily district section drying-machine |
| CN114111244B (en) * | 2021-10-11 | 2022-10-18 | 山西悦凌空调有限公司 | Day lily district section drying-machine |
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| CN105043078B (en) | 2017-05-17 |
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