CN104132493A - Heat pump fluorine path system pressure display and control integrated device - Google Patents
Heat pump fluorine path system pressure display and control integrated device Download PDFInfo
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- CN104132493A CN104132493A CN201410401667.2A CN201410401667A CN104132493A CN 104132493 A CN104132493 A CN 104132493A CN 201410401667 A CN201410401667 A CN 201410401667A CN 104132493 A CN104132493 A CN 104132493A
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Abstract
The invention discloses a heat pump fluorine path system pressure display and control integrated device which comprises a four-way valve, a condenser, an evaporator, a throttler, a compressor and a gas-liquid separator. Two ports of the four-way valve, the compressor and the gas-liquid separator form a series loop. The other two ports of the four-way valve, the condenser, the throttler and the evaporator sequentially form a series loop. A high pressure sensor is mounted between an exhaust port of the compressor and the four-way valve. A low pressure sensor is mounted between the four-way valve and the gas-liquid separator. The high pressure sensor and the low pressure sensor transmit measured system pressure to a main control panel through pressure sensing signal lines. A pressure protection value is written in the main control panel. When the pressure is higher or lower than a set value, an alarm is given, and a host shuts down. According to the heat pump fluorine path system pressure display and control integrated device, system pressure display and protection of a heat pump or an air conditioner are integrated, so that the number of welding spots is reduced, and leakage of cooling agents is also reduced; pressure testing points are detachable and convenient to replace, so there is no need to discharge the cooling agents in a unit, and maintenance cost is saved; pressure display is intelligent and digital, thereby being more visual and accurate.
Description
Technical field
The present invention relates to a kind of Teat pump boiler or the demonstration of air-conditioning Fu road system pressure and control figure integrated apparatus of being applied to, belong to automatic control technology field.
Background technology
The Pressure gauge that heat pump uses is in the market all mechanical, and in Pressure gauge, oiling is shockproof, between Pressure gauge and system, with capillary, is communicated with, and pressure gauge connection is received sub-set horn mouth silk with copper and connect; Pressure-head switch-the low-voltage protective switch of heat pump and high voltage protective switch are also mechanical, and the switch of the overwhelming majority is non-dismountable formula.The defect that this Pressure gauge exists is: the damping oil in 1 Pressure gauge is easily revealed, thereby cause, indicator vibrations are large to be reduced the Pressure gauge life-span; The capillary that 2 Pressure gauges are connected with system is because caliber is thinner and generally long, and easily shake is disconnected or shatter in transportation or use procedure for unit, thereby causes refrigrant leakage; 3 pressure gauge connection places are that silk connects, and long-time vibrations easily cause the micro-leakage of cold-producing medium; 4 Pressure gauges are changed while wanting can bleed off part cold-producing medium; The protection switch of 5 non-disconnectable formulas will all bleed off cold-producing medium while changing.
Summary of the invention
Technical problem to be solved by this invention is the defect existing for prior art, provides a kind of demonstration of the pressure by system and pressure to control the control device being combined as a whole.
For solving this technical problem, the invention provides the system pressure demonstration of a kind of heat pump fluorine road and control integrated apparatus, comprise cross valve, condenser, evaporimeter, flow controller, compressor and gas-liquid separator, two interfaces of described cross valve and compressor and gas-liquid separator form series loop, another two interfaces of cross valve successively with condenser, flow controller and evaporimeter form series loop, also comprise master board, data wire, display, high-pressure sensor, low-pressure sensor and pressure sensitive holding wire, described high-pressure installation of sensors is between the exhaust outlet and cross valve of compressor, low-pressure sensor is arranged between cross valve and gas-liquid separator, described high-pressure sensor is connected master board with low-pressure sensor, master board is connected with display by data wire, high-pressure sensor and low-pressure sensor will record system pressure and send master board to by pressure sensitive holding wire, and master board sends the pressure signal of handling to display, in described master board with system pressure protection value, when system pressure higher or lower than set protection value time, on display, there will be high pressure or low pressure alarming, simultaneously main shut-down system.
Described high-pressure sensor is connected with the check valve that is welded on system high pressure district, and low-pressure sensor is connected with the check valve that is welded on system low-voltage district, and connected mode connects for ease of the silk of dismantling.
Beneficial effect: the system pressure of heat pump or air-conditioning is shown in the present invention and pressure protecting function combines together, reduces pad, reduces refrigrant leakage point; Pressure test point is for removable, and it is convenient to change, and during replacing, need not weld, and need not bleed off unit inner refrigerant, saves maintenance cost; It is more durable that Pressure gauge changes pressure sensor into, and pressure shows intelligent digitalized, and reading is more accurately directly perceived, stops the fracture of Pressure gauge tube connector and cause coolant leakage possibility; Pressure protect is controlled and is realized digitlization, eliminates traditional mechanical compression table and shows that inaccurate and mechanical pressure switch protection is worth fuzzy problem.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1 master board, 2 data wires, 3 displays, 4 high-pressure sensors, 5 low-pressure sensors, 6 cross valves, 7 condensers, 8 evaporimeters, 9 flow controllers, 10 compressors, 11 pressure sensitive holding wires, 12 gas-liquid separators.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is specifically described.
Figure 1 shows that structural representation of the present invention.
Master board 1 of the present invention, data wire 2, display 3, high-pressure sensor 4, low-pressure sensor 5, cross valve 6, condenser 7, evaporimeter 8, flow controller 9, compressor 10, pressure sensitive holding wire 11 and gas-liquid separator 12.
Two interfaces of described cross valve 6 and compressor 10 and gas-liquid separator 12 form series loops, and another two interfaces of cross valve 6 form series loops with condenser 7, flow controller 9 and evaporimeter 8 successively.
Described high-pressure sensor 4 is arranged between the exhaust outlet and cross valve 6 of compressor 10, low-pressure sensor 5 is arranged between cross valve 6 and gas-liquid separator 12, described high-pressure sensor 4 is connected master board 1 with low-pressure sensor 5, and master board 1 is connected with display 3 by data wire 2.
Described high-pressure sensor 4 is connected with the check valve that is welded on system high pressure district, and low-pressure sensor 5 is connected with the check valve that is welded on system low-voltage district, and connected mode connects for ease of the silk of dismantling.
Described high-pressure sensor 4 and low-pressure sensor 5 will record system pressure and send master board 1 to by pressure sensitive holding wire 11, and master board 1 sends the pressure signal of handling to display 3; In described master board 1 with system pressure protection value, when system pressure higher or lower than set protection value time, on display 3, there will be high pressure or low pressure alarming, simultaneously main shut-down system.
Controlling the protection of programming high-low pressure meets: system low-voltage pressure is during lower than 0.05Mpa, main shut-down system protection, and when low pressure is upgraded to 0.15Mpa, unit is normally worked; System high pressure pressure is during higher than 2.8Mpa, main shut-down system protection, and when high-pressure is reduced to 2.4Mpa, unit is normally worked; If mainboard can lock main frame and quits work when same fault occurs 3 times continuously.
When system high pressure reaches 2.8Mpa, at this moment master board obtains signal and reaches setting value through computing decision-making system high pressure, and main control system quits work, display screen display system high voltage fault; After shutdown, when system high pressure pressure drops to 2.4Mpa, master board obtains signal and automatically terminates system high pressure protection through computing meeting, and main frame recovers normal work, and display screen demonstration high voltage fault is eliminated.
When system low-voltage reaches 0.05Mpa, master board obtains signal and reaches setting value through computing decision-making system low pressure, and main control system quits work, display screen display system low voltage failure; While being raised to 0.15Mpa after system low-voltage pressure is shut down, mainboard obtains signal and automatically terminates system low-voltage protection through computing meeting, and main frame recovers normal work, and display screen shows low voltage failure elimination; Equally, fault occurs 3 times continuously, and master board locking main frame quits work, and waits pending fault to get rid of.
The system pressure of heat pump or air-conditioning is shown in the present invention and pressure protecting function combines together, reduces pad, reduces refrigrant leakage point; Pressure test point is for removable, and it is convenient to change, and during replacing, need not weld, and need not bleed off unit inner refrigerant, saves maintenance cost; It is more durable that Pressure gauge changes pressure sensor into, and pressure shows intelligent digitalized, and reading is more accurately directly perceived, stops the fracture of Pressure gauge tube connector and cause coolant leakage possibility; Pressure protect is controlled and is realized digitlization, eliminates traditional mechanical compression table and shows that inaccurate and mechanical pressure switch protection is worth fuzzy problem.
The above-mentioned embodiment of the present invention, just illustrates, and is not only, and change within the scope of the present invention all or that be equal in scope of the present invention is all surrounded by the present invention.
Claims (2)
1. a heat pump fluorine road system pressure shows and control integrated apparatus, comprise cross valve (6), condenser (7), evaporimeter (8), flow controller (9), compressor (10) and gas-liquid separator (12), two interfaces of described cross valve (6) and compressor (10) and gas-liquid separator (12) form series loop, another two interfaces of cross valve (6) successively with condenser (7), flow controller (9) and evaporimeter (8) form series loop, it is characterized in that: also comprise master board (1), data wire (2), display (3), high-pressure sensor (4), low-pressure sensor (5) and pressure sensitive holding wire (11), described high-pressure sensor (4) is arranged between the exhaust outlet and cross valve (6) of compressor (10), low-pressure sensor (5) is arranged between cross valve (6) and gas-liquid separator (12), described high-pressure sensor (4) is connected master board (1) with low-pressure sensor (5), master board (1) is connected with display (3) by data wire (2), high-pressure sensor (4) and low-pressure sensor (5) will record system pressure and send master board (1) to by pressure sensitive holding wire (11), and master board (1) sends the pressure signal of handling to display (3), in described master board (1) with system pressure protection value, when system pressure higher or lower than set protection value time, display there will be high pressure or low pressure alarming on (3), simultaneously main shut-down system.
2. heat pump fluorine according to claim 1 road system pressure shows and control integrated apparatus, it is characterized in that: described high-pressure sensor (4) is connected with the check valve that is welded on system high pressure district, low-pressure sensor (5) is connected with the check valve that is welded on system low-voltage district, and connected mode connects for ease of the silk of dismantling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410401667.2A CN104132493A (en) | 2014-08-14 | 2014-08-14 | Heat pump fluorine path system pressure display and control integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410401667.2A CN104132493A (en) | 2014-08-14 | 2014-08-14 | Heat pump fluorine path system pressure display and control integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104132493A true CN104132493A (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410401667.2A Pending CN104132493A (en) | 2014-08-14 | 2014-08-14 | Heat pump fluorine path system pressure display and control integrated device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060236708A1 (en) * | 2005-04-25 | 2006-10-26 | Denso Corporation | Refrigeration cycle device for vehicle |
| CN102135295A (en) * | 2011-04-03 | 2011-07-27 | Tcl空调器(中山)有限公司 | Air conditioner and control method thereof |
| CN102563789A (en) * | 2012-02-01 | 2012-07-11 | 美的集团有限公司 | Multi-split heat pump air conditioning system and control method thereof |
| CN102563819A (en) * | 2011-12-05 | 2012-07-11 | Tcl空调器(中山)有限公司 | Air conditioner and troubleshooting method thereof |
| CN203323372U (en) * | 2013-07-08 | 2013-12-04 | 浙江正理生能科技有限公司 | Heat-pump water heater cold shielding system protecting compressor |
| CN203731735U (en) * | 2014-03-11 | 2014-07-23 | 广东西屋康达空调有限公司 | Screw-type air-cooled heat pump air conditioning unit |
| CN204006864U (en) * | 2014-08-14 | 2014-12-10 | 山东力诺瑞特新能源有限公司 | Heat pump fluorine road system pressure shows and control integrated apparatus |
-
2014
- 2014-08-14 CN CN201410401667.2A patent/CN104132493A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060236708A1 (en) * | 2005-04-25 | 2006-10-26 | Denso Corporation | Refrigeration cycle device for vehicle |
| CN102135295A (en) * | 2011-04-03 | 2011-07-27 | Tcl空调器(中山)有限公司 | Air conditioner and control method thereof |
| CN102563819A (en) * | 2011-12-05 | 2012-07-11 | Tcl空调器(中山)有限公司 | Air conditioner and troubleshooting method thereof |
| CN102563789A (en) * | 2012-02-01 | 2012-07-11 | 美的集团有限公司 | Multi-split heat pump air conditioning system and control method thereof |
| CN203323372U (en) * | 2013-07-08 | 2013-12-04 | 浙江正理生能科技有限公司 | Heat-pump water heater cold shielding system protecting compressor |
| CN203731735U (en) * | 2014-03-11 | 2014-07-23 | 广东西屋康达空调有限公司 | Screw-type air-cooled heat pump air conditioning unit |
| CN204006864U (en) * | 2014-08-14 | 2014-12-10 | 山东力诺瑞特新能源有限公司 | Heat pump fluorine road system pressure shows and control integrated apparatus |
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Application publication date: 20141105 |