CN210179947U - Exhaust target value throttling control device for refrigerating system - Google Patents
Exhaust target value throttling control device for refrigerating system Download PDFInfo
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- CN210179947U CN210179947U CN201920690287.3U CN201920690287U CN210179947U CN 210179947 U CN210179947 U CN 210179947U CN 201920690287 U CN201920690287 U CN 201920690287U CN 210179947 U CN210179947 U CN 210179947U
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- control structure
- order
- throttle control
- target value
- flowmeter
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- 238000001179 sorption measurement Methods 0.000 claims abstract description 39
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- 238000005057 refrigeration Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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Abstract
The utility model discloses a refrigerating system is with exhaust target value throttle control device, including first-order throttle control structure, dewatering adsorption tube, air inlet, second order throttle control structure and third-order throttle control structure, the connecting pipe of air inlet one end is fixed with the interface tube, the interface of interface tube is connected with first-order throttle control structure, second order throttle control structure and third-order throttle control structure through connecting pipe one side respectively. The utility model is provided with the throttling control structure in three stages, when the flow value is close to, the pipeline is closed by controlling the first electromagnetic valve, the throttling control structure in other stages discharges gas, the smaller gas flow velocity is discharged, the radial flow is small, and the target value of the second flowmeter flowing through the discharge is more accurate; the utility model discloses set up the dewatering adsorption tube in air inlet one end, carry out the filtration of impurity through the filter screen, then carry out the absorption of moisture through the active carbon adsorption layer, avoid containing miscellaneous influence that causes.
Description
Technical Field
The utility model belongs to the technical field of throttle control device, concretely relates to refrigerating system is with exhaust target value throttle control device.
Background
Refrigeration, i.e., refrigeration, also known as freezing, reduces or maintains the temperature of an object below the natural ambient temperature. There are two ways to realize refrigeration, one is natural cooling, and the other is artificial cooling. Natural cooling utilizes natural ice or deep well water to cool objects, but the refrigeration capacity (i.e., the amount of heat removed from the cooled object) and the refrigeration temperatures that may be achieved often do not meet production needs. Natural cooling is a heat transfer process. The artificial refrigeration is a unit operation belonging to a thermodynamic process for transferring heat from a low-temperature object to a high-temperature object by adding energy through refrigeration equipment.
The prior art has the following problems: the existing exhaust target value throttling control device for the refrigeration system has the defects of inaccurate flow closure control and errors in use, and simultaneously, the moisture contained in gas can cause influence and cause inconvenience in use.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a refrigerating system is with exhaust target value throttle control device has simple structure, and it is accurate to cut-off control, the characteristics of effective dewatering.
In order to achieve the above object, the utility model provides a following technical scheme: an exhaust target value throttling control device for a refrigerating system comprises a first-order throttling control structure, a dewatering adsorption pipe, an air inlet, a second-order throttling control structure and a third-order throttling control structure, a connection pipe at one end of the air inlet is fixed with a connector pipe, the connector of the connector pipe is respectively connected with a first-order throttling control structure, a second-order throttling control structure and a third-order throttling control structure through one side of the connection pipe, the first-order throttling control structure, the second-order throttling control structure and the third-order throttling control structure comprise a first electromagnetic valve and a first flowmeter, one side of the first electromagnetic valve close to the air inlet is connected with a second electromagnetic valve through a connecting pipe at the other end of the first flowmeter, the other end of the second electromagnetic valve is connected with a second flowmeter, the other end of the second flowmeter is provided with an air outlet, and one end of the first electromagnetic valve, which is close to the air inlet, is provided with a dewatering adsorption pipe.
Preferably, the dewatering adsorption tube comprises a filter screen and an active carbon adsorption layer, wherein the active carbon adsorption layer is arranged in the middle of the inside of the dewatering adsorption tube, and the filter screen is arranged at the two ends of the active carbon adsorption layer.
Preferably, the pipes at one end of the first flow meter are connected to one pipe through the mouthpiece.
Preferably, the first electromagnetic valve fixed by the first-order throttling control structure, the second-order throttling control structure and the third-order throttling control structure has sequentially decreasing and different apertures.
Preferably, the two ends of the dewatering adsorption pipe, the mouthpiece, the first electromagnetic valve, the first flowmeter, the second electromagnetic valve and the second flowmeter are rotationally fixed through threads, and the two fixed ends are provided with sealing gaskets.
Preferably, the filter screen and the outer shell of the activated carbon adsorption layer are fixedly installed inside the dewatering adsorption pipe through threads.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model is provided with the throttling control structure in three stages, when the flow value is close to, the pipeline is closed by controlling the first electromagnetic valve, the throttling control structure in other stages discharges gas, the smaller gas flow velocity is discharged, the radial flow is small, and the target value of the second flowmeter flowing through the discharge is more accurate;
2. the utility model discloses set up the dewatering adsorption tube in air inlet one end, carry out the filtration of impurity through the filter screen, then carry out the absorption of moisture through the active carbon adsorption layer, avoid containing miscellaneous influence that causes.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the water removal adsorption tube structure of the present invention.
In the figure: 1. a first order throttle control structure; 2. a dewatering adsorption pipe; 21. a filter screen; 22. an activated carbon adsorption layer; 3. a mouthpiece; 4. an air inlet; 5. a second order throttle control structure; 6. a third order throttle control structure; 7. a first solenoid valve; 8. a first flow meter; 9. a second solenoid valve; 10. a second flow meter; 11. and an air outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides the following technical solutions: an exhaust target value throttling control device for a refrigerating system comprises a first-order throttling control structure 1, a water removal adsorption pipe 2, an air inlet 4, a second-order throttling control structure 5 and a third-order throttling control structure 6, wherein a connecting pipe at one end of the air inlet 4 is fixedly provided with a connector pipe 3, the connector of the connector pipe 3 is respectively connected with the first-order throttling control structure 1, the second-order throttling control structure 5 and the third-order throttling control structure 6 through one side of the connecting pipe, the first-order throttling control structure 1, the second-order throttling control structure 5 and the third-order throttling control structure 6 comprise a first electromagnetic valve 7 and a first flowmeter 8, in order to facilitate gas confluence, the pipelines at one end of the first flowmeter 8 are all connected to one pipeline through the connector pipe 3, the first electromagnetic valve 7 is close to one side of the air inlet 4, in order to improve throttling accuracy, the first electromagnetic valves 7 fixed by the first-order throttling control structure 1, the, the other end connecting pipe of first flowmeter 8 is connected with second solenoid valve 9, the other end of second solenoid valve 9 is connected with second flowmeter 10, the other end of second flowmeter 10 is provided with gas outlet 11, the one end that first solenoid valve 7 is close to air inlet 4 is provided with water removal adsorption tube 2, in order to improve fixed leakproofness, water removal adsorption tube 2, mouthpiece 3, first solenoid valve 7, first flowmeter 8, the both ends of second solenoid valve 9 and second flowmeter 10 are all fixed through the screw rotation, and the fixed both ends all are provided with sealed the pad.
In order to improve gaseous cleanliness, dewatering adsorption tube 2 includes filter screen 21 and active carbon adsorption layer 22, wherein, is provided with active carbon adsorption layer 22 in the middle of dewatering adsorption tube 2's the inside, and active carbon adsorption layer 22's both ends are provided with filter screen 21, and in order to improve overall structure stability, filter screen 21 and active carbon adsorption layer 22's shell body pass through the inside of screw thread fixed mounting at dewatering adsorption tube 2.
The utility model discloses well first solenoid valve 7 and second solenoid valve 9 are for the widely known technique that applies to daily life that has disclosed, and its theory of operation is: the electromagnetic control industrial equipment is an automatic basic element for controlling fluid, belongs to an actuator and is not limited to hydraulic pressure and pneumatic pressure. The medium flow control device is used in an industrial control system to adjust the direction, flow rate, speed and other parameters of the medium, and the models selected in the embodiment are DX-260S, DX-261S, DX-262S and DX-360S respectively.
The utility model discloses well first flowmeter 8 and second flowmeter 10 are for disclosing the known technique that extensively applies to daily life, and its theory of operation is: the national committee on the approval of scientific and technical terms defines it as: meters that indicate the measured flow rate and/or the total amount of fluid in a selected time interval. Briefly, an instrument for measuring fluid flow in a pipe or open channel, of the type XG-785B, is used in this embodiment.
The utility model discloses a theory of operation and use flow: the utility model discloses during the use, install the device in suitable position, refrigerating system exhaust gas gets into from air inlet 4, shunt through interface tube 3, carry out the filtration of impurity through filter screen 21, then carry out the absorption of moisture through activated carbon adsorption layer 22, avoid containing miscellaneous to cause the influence, gas is through first solenoid valve 7 that first order throttle control structure 1 is located, utilize first flowmeter 8 to carry out the record of flow value, then flow through second solenoid valve 9 along the pipeline, measure through second flowmeter 10, gas is discharged from gas outlet 11, when the gaseous discharge amount is close the target value, close first solenoid valve 7 that first order throttle control structure 1 is located, open first solenoid valve 7 that second order throttle control structure 5 is located and carry out gaseous discharge flow, when the value is further close, close first solenoid valve 7 that second order throttle control structure 5 is located, the first electromagnetic valve 7 where the third-order throttling control structure 6 is located is opened to discharge gas, and the gas is discharged at a small flow rate, so that the target value of the gas discharged by flowing through the second flowmeter 10 is more accurate, the structure is simple, and the use is portable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an exhaust target value throttle controlling means for refrigerating system, includes first order throttle control structure (1), dewatering adsorption tube (2), air inlet (4), second order throttle control structure (5) and third order throttle control structure (6), its characterized in that: a connection pipe (3) is fixed on the connection pipe at one end of the air inlet (4), the interface of the connection pipe (3) is respectively connected with a first-order throttling control structure (1), a second-order throttling control structure (5) and a third-order throttling control structure (6) through one side of the connection pipe, the first-order throttling control structure (1), the second-order throttling control structure (5) and the third-order throttling control structure (6) comprise a first electromagnetic valve (7) and a first flowmeter (8), one side of the first electromagnetic valve (7) close to the air inlet (4), the other end of the first flowmeter (8) is connected with a second electromagnetic valve (9), the other end of the second electromagnetic valve (9) is connected with a second flowmeter (10), the other end of the second flowmeter (10) is provided with an air outlet (11), and one end of the first electromagnetic valve (7) close to the air inlet (4) is provided with a water removal adsorption pipe (2).
2. The exhaust target value throttle control device for a refrigeration system according to claim 1, characterized in that: dewatering adsorption tube (2) are including filter screen (21) and active carbon adsorption layer (22), wherein, be provided with active carbon adsorption layer (22) in the middle of the inside of dewatering adsorption tube (2), the both ends of active carbon adsorption layer (22) are provided with filter screen (21).
3. The exhaust target value throttle control device for a refrigeration system according to claim 1, characterized in that: and the pipelines at one end of the first flowmeter (8) are connected to one pipeline through the joint pipe (3).
4. The exhaust target value throttle control device for a refrigeration system according to claim 1, characterized in that: the first electromagnetic valve (7) fixed by the first-order throttling control structure (1), the second-order throttling control structure (5) and the third-order throttling control structure (6) has sequentially decreasing and uniform different apertures.
5. The exhaust target value throttle control device for a refrigeration system according to claim 1, characterized in that: the two ends of the dewatering adsorption pipe (2), the interface pipe (3), the first electromagnetic valve (7), the first flowmeter (8), the second electromagnetic valve (9) and the second flowmeter (10) are rotationally fixed through threads, and sealing gaskets are arranged at the two fixed ends.
6. The exhaust target value throttle control device for a refrigeration system according to claim 2, characterized in that: the filter screen (21) and the outer shell of the activated carbon adsorption layer (22) are fixedly installed inside the dewatering adsorption pipe (2) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920690287.3U CN210179947U (en) | 2019-05-13 | 2019-05-13 | Exhaust target value throttling control device for refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920690287.3U CN210179947U (en) | 2019-05-13 | 2019-05-13 | Exhaust target value throttling control device for refrigerating system |
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| Publication Number | Publication Date |
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| CN210179947U true CN210179947U (en) | 2020-03-24 |
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| CN201920690287.3U Expired - Fee Related CN210179947U (en) | 2019-05-13 | 2019-05-13 | Exhaust target value throttling control device for refrigerating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112764437A (en) * | 2020-12-29 | 2021-05-07 | 北京动力机械研究所 | Automatic control method for air flow regulation of test bed based on pneumatic regulating valve |
-
2019
- 2019-05-13 CN CN201920690287.3U patent/CN210179947U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112764437A (en) * | 2020-12-29 | 2021-05-07 | 北京动力机械研究所 | Automatic control method for air flow regulation of test bed based on pneumatic regulating valve |
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Granted publication date: 20200324 |