CN208419303U - A kind of liquid feeding monitoring tooling, air-conditioning and system - Google Patents

Abstract

The utility model provides firstly a kind of liquid feeding monitoring tooling, including primary control box and connecting tube, connecting tube is equipped with solenoid valve, primary control box includes controller and frequency conversion tester, display module, detection device, memory and operation module, solenoid valve is electrically connected with controller, and detection device includes pressure gauge and temperature sensor, and pressure gauge is connected in connecting tube, detection device further includes flow meters, and flowmeter is connect with connecting tube；Next provides a kind of air-conditioning；A kind of system is provided again.Liquid feeding described in the utility model monitors tooling, can be realized judging automatically for air-conditioning liquid volume added, and automatic fine tuning liquid volume added solves the problems, such as that maintenance liquid volume added is inaccurate, and can extend carry out system operation troubles judgement, promotes repair quality.

Description

A kind of liquid feeding monitoring tooling, air-conditioning and system

Technical field

The utility model relates to refrigerating of convertible frequency air conditioner agent adding technique field, in particular to a kind of liquid feeding monitors tooling, sky Tune and system.

Background technique

The filling refrigerant of convertible frequency air-conditioner maintenance currently on the market, the data generally read according to frequency conversion tester use pressure Table, refrigerant tank and connecting tube are filled, and whether the refrigerant that filling is detected by way of pressure monitoring meets the standard of air-conditioning Coolant quantity.But pressure detecting is affected by working condition, accurate under various working conditions without air-conditioning in the market Compression force reference value, whole operation process depend on the operating experience of operator unduly, and are easy to make empirical mistake, accidentally Difference is larger；The method of another filling refrigerant is monitored by electronic scale weighing, and main problem is that weighing process is connected to add Liquid pipe is easy to cause error, and fill environment have much do not have electronic scale place condition, influence weighing precision.

In addition, convertible frequency air-conditioner is to experience temperature by temperature sensing package to change air-conditioning height frequency and be run, due to becoming Frequency tester is detected to all parameters of convertible frequency air-conditioner operation, and the filling refrigerant of convertible frequency air-conditioner maintenance is docking system, The two is different operating process, and two operate separately cumbersome, influences efficiency, and cannot be to data real-time control.

There are also that can not be monitored in the prior art to cold medium flux during coolant charging, lead to coolant charging amount Inaccuracy.

Utility model content

In view of this, the utility model is directed to a kind of liquid feeding monitoring tooling, to solve air-conditioning maintenance in the prior art The inaccurate problem of liquid volume added.

In order to achieve the above objectives, the technical solution of the utility model is achieved in that

A kind of liquid feeding monitoring tooling, including primary control box and connecting tube, the connecting tube are equipped with solenoid valve, the primary control box Including controller and the frequency conversion tester, display module, detection device, memory and the operation module that are electrically connected with the controller, The solenoid valve is electrically connected with the controller, and the detection device includes pressure gauge and temperature sensor, the pressure gauge connection In the connecting tube, the detection device further includes flow meters, and the flowmeter is connect with the connecting tube.

Further, the solenoid valve is four way solenoid valve, and the pressure gauge and flowmeter are connected to the four-way electromagnetic On valve.

Further, the display module includes machine type data display area, liquid feeding status display area and operational order Display area.

Further, the display module also includes language switching selection display area.

Further, the detection device further includes vacuum meter, and the vacuum meter is connect with the connecting tube.

Further, the pressure gauge is electronic pressure gage, and the temperature sensor is thermocouple.

Further, the detection device further includes ammeter.

Compared with the existing technology, liquid feeding monitoring tooling described in the utility model has the advantage that

Liquid feeding described in the utility model monitors tooling, can be realized judging automatically for air-conditioning liquid volume added, automatic fine tuning adds Liquid measure solves the problems, such as that maintenance liquid volume added is inaccurate, and can extend carry out system operation troubles judgement, promotes repair quality； The design for increasing flowmeter makes liquid feeding monitoring tooling have the function of flow monitoring, helps more accurately to fill, also simplify Liquid feeding process patching operations, save space, maintenance personal are facilitated to carry.

The another object of the utility model is to propose a kind of air-conditioning, and to solve in the prior art, air-conditioning maintenance liquid volume added is not Quasi- problem.

In order to achieve the above objectives, the technical solution of the utility model is achieved in that

A kind of air-conditioning monitors tooling including liquid feeding described above, further includes compressor and shut-off valve, the shut-off valve is set It sets at the refrigerant inlet of the compressor, one end of the connecting tube is connect with the shut-off valve, the other end and refrigerant tank connect It connects, the temperature sensor is connect with the shut-off valve.

Compared with the existing technology, air-conditioning described in the utility model has the advantage that

Possessed advantage is identical compared with the existing technology with above-mentioned liquid feeding monitoring tooling for the air-conditioning, no longer superfluous herein It states.

A further object of the utility model is to propose a kind of system, and to solve in the prior art, air-conditioning maintenance liquid volume added is not Quasi- problem.

In order to achieve the above objectives, the technical solution of the utility model is achieved in that

A kind of system monitors tooling including system background and liquid feeding described above, further includes being electrically connected with the controller Wireless transmitter, the wireless transmitter and the system background are wirelessly connected.

It further, further include that an at least air-conditioning, the air-conditioning is connect with the controller, the system background includes The database of the air-conditioning.

Compared with the existing technology, system described in the utility model has the advantage that

Possessed advantage is identical compared with the existing technology with above-mentioned liquid feeding monitoring tooling for the system, no longer superfluous herein It states.

Detailed description of the invention

The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.? In attached drawing:

Fig. 1 is the structural schematic diagram that liquid feeding described in the utility model embodiment monitors tooling；

Fig. 2 is the structural schematic diagram of air-conditioning described in the utility model embodiment.

Description of symbols:

1- primary control box, 11- controller, 12- display module, 13- detection device, 131- pressure gauge, 132- temperature sensor, 133- ammeter, 134- vacuum meter, 138- flowmeter, 14- memory, 15- operation module, 16- frequency conversion tester, 2- connection Pipe, 3- solenoid valve, 4- refrigerant tank, 5- liquid air tune to be added, 51- compressor, 52- shut-off valve.

Specific embodiment

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

Embodiment one

Refering to Figure 1, its structural schematic diagram for monitoring tooling for the liquid feeding of the utility model.

As shown in Figure 1, a kind of liquid feeding monitors tooling, including primary control box 1 and connecting tube 2, the connecting tube 2 is equipped with electromagnetism Valve 3, the primary control box 1 include controller 11 and the frequency conversion tester 16 being electrically connected with the controller 11, display module 12, detection Device 13, memory 14 and operation module 15, the solenoid valve 3 are electrically connected with the controller 11, and the detection device 13 includes Pressure gauge 131 and temperature sensor 132, the pressure gauge 131 are connected in the connecting tube 2, if the detection device 13 is surveyed The data obtained then determine that cold medium shortage, the controller 11 control the solenoid valve 3 not in the parameter area value of normal operation It opens, the detection device 13 further includes flow meters 138, and the flowmeter 138 is connect with the connecting tube 2.

Wherein, as shown in Figure 1, the both ends of the connecting tube 2 are separately connected the compressor of refrigerant tank 4 and liquid air tune 5 to be added 51, the solenoid valve 3 is used to control the on state and cold medium flux of connecting tube 2, and in the present embodiment, the solenoid valve 3 is four Three-way electromagnetic valve, two of them valve port connect connecting tube 2, and another two valve port is separately connected pressure gauge 131 and flowmeter 138, to mention The processing efficiency of the high liquid feeding monitoring tooling, and promote overall aesthetics；The flowmeter 138 is fluid flowmeter, peace Dress is convenient, and reliable for operation, performance is good, long service life；The flowmeter 138 is in the condition that liquid refrigerants fills or gaseous state pressurizes Under, realization auto switching is compared to data by controller 11, the mode of the comparing mainly with monitoring time and The mode of flow realizes the accurate filling of coolant quantity；The display module 12 is aobvious comprising machine type data display area, liquid feeding state Show region and operational order display area, is respectively used to display machine type data and (such as shows each air conditioner type major class and its parameter Table), liquid feeding state (as show quickly filling, slowly filling or filling complete) and operational order (as prompt liquid feeding monitoring tooling It is connect with air-conditioning, prompts the information such as selection air conditioner type), the display module 12 can be display screen；The operation module 15 is main To be used to select the correspondence type major class of liquid air tune 5 to be added, the operation module 15 can be operation button or touch screen；The inspection Survey various parameters and detection data that device 13 is used to read liquid air tune 5 to be added；The memory 14 includes each liquid air tune 5 to be added Type parameter list, the parameter list refer to the parameter area that air-conditioning operates normally under each operating condition, and the parameter is operating condition temperature Degree, environment temperature, the tube temperature of machine condenser and system pressure etc. inside and outside air-conditioning；The primary control box 1 takes electricity from alternating current；The frequency conversion Tester 16 is electrically connected with liquid air tune 5 to be added, for reading the major parameter of liquid air tune 5 to be added.

The pressure gauge 131 is used to detect the pressure at expulsion of compressor of air conditioner 51, and in the present embodiment, the pressure at expulsion is logical The pressure crossed in detection connecting tube 2 obtains, and the pressure gauge 131 is electronic pressure gage, and measurement accuracy is high；The temperature sensing Device 132 is used to detect the delivery temperature of compressor of air conditioner 51, and in the present embodiment, the delivery temperature on detection air-conditioning by ending Adapter tube temperature near valve 52 obtains, and the temperature sensor 132 is thermocouple, simple with structure, easily manufactured, measurement Many advantages, such as range is wide, precision is high, inertia is small and output signal is convenient for teletransmission.

The coolant charging process of the liquid feeding monitoring tooling:

(1) liquid feeding monitoring tooling connect alternating current first and takes electricity, and will test device 13 and frequency conversion tester 16 and The liquid air tune 5 to be added of booting is connected, when detecting the cold medium shortage of liquid air tune 5 to be added, by connecting tube 2 by liquid air tune to be added 5 are connected with refrigerant tank 4, and open shut-off valve 52；

(2) the corresponding type major class of liquid air tune 5 to be added is chosen in machine type data display area by operation module 15；

(3) detection device 13 detects the data such as system pressure, adapter tube temperature, cold medium flux under current working, The frequency conversion tester 16 detects the parameter under complete machine current working, and is transmitted to controller 11, and the controller 11 receives It is compared after data with the parameter list in memory 14, the difference of system pressure is obtained according to comparison result；

(4) when described differ greatly, the controller 11 controls refrigerant and quickly fills, i.e., the described solenoid valve 3 is in complete Open state (cold medium flux is maximum)；

(5) when coolant charging for a period of time after, the detection device 13 detects that system pressure is corresponding with current working When the parameter area value of normal operation is close, since the frequency and temperature of convertible frequency air-conditioner are influenced by system pressure, system pressure Bigger temperature is higher, and temperature change frequency also changes, liquid feeding monitoring tooling need to the operating condition to air-conditioning examined again It surveys, and the data detected again is transmitted to controller, the controller is compared again according to the data in memory 14, when The controller 11 is slowly filled when difference value is smaller, i.e., the described solenoid valve 3 controls cold medium flux and becomes smaller, and by described Flowmeter 138 monitors flow；

(6) detection device 13 continues to test whether system pressure reaches normal fortune corresponding with current working after filling In capable parameter area value, if detecting coolant quantity deficiency, continues to detection current working and be compared and continue to fill cold Matchmaker, until current working meets the parameter area requirement operated normally；

(7) after the completion of liquid feeding, the controller 11 controls the prompts such as the display of display module 12 " filling is completed ".

Liquid feeding described in the utility model monitors tooling, can be realized judging automatically for air-conditioning liquid volume added, automatic fine tuning adds Liquid measure solves the problems, such as that maintenance liquid volume added is inaccurate, and can extend carry out system operation troubles judgement, promotes repair quality； Frequency conversion tester 16 is integrated into the liquid feeding monitoring tooling, greatly improves work efficiency, saves space；Increase flow The design of meter makes liquid feeding monitoring tooling have the function of flow monitoring, helps more accurately to fill, also simplify liquid feeding process Patching operations save space, and maintenance personal is facilitated to carry.

Embodiment two

A kind of liquid feeding as described above monitors tooling, and the present embodiment is different from place and is, the display module 12 is also Switch selection display area comprising language, selects appointed language to show the information of the display module 12 for maintenance personal, tie up It repairs personnel selection display area is switched in language by operation module 15 and select the language such as Chinese, English, Japanese, Korean or French It is shown, uses the tooling so as not to same customer group, also provide overseas corresponding support.

Embodiment three

A kind of liquid feeding as described above monitor tooling, the present embodiment and embodiment one the difference is that, as shown in Figure 1, The detection device 13 further includes ammeter 133, and in the present embodiment, the ammeter 133 is digital display ammeter, is had higher Precision, the digital display ammeter with the compressor 51 is detachable is electrically connected, for detecting under 5 current working of liquid air tune to be added Operating current, and send controller 11 to, the controller 11 carries out after receiving data with the parameter list in memory 14 It compares, the difference of system pressure is obtained according to comparison result.

Example IV

A kind of liquid feeding as described above monitor tooling, the present embodiment and embodiment one the difference is that, as shown in Figure 1, The detection device 13 further includes vacuum meter 134, and the vacuum meter 134 is connect with the connecting tube 2, realizes the prison to vacuum degree Control, to ensure the normal use effect of liquid air tune 5 to be added, improves the repair quality of air-conditioning.

Embodiment five

It please refers to shown in Fig. 2, is the structural schematic diagram of the air-conditioning of the utility model.

As shown in Fig. 2, a kind of air-conditioning, monitors tooling including liquid feeding described above, further includes compressor 51 and shut-off valve 52, the shut-off valve 52 is arranged at the refrigerant inlet of the compressor 51, one end of the connecting tube 2 and the shut-off valve 52 Connection, the other end and refrigerant tank 4 connect, and the temperature sensor 132 is connect with the shut-off valve 52, for measuring shut-off valve 52 Surface temperature, to judge whether air-conditioning working properly.

Wherein, each operating condition and data of air-conditioning can be read, on the display panel of the air-conditioning so as to maintenance personal The operating condition of air-conditioning is read, maintenance process is simplified.

Liquid feeding monitoring tooling is directly installed on air-conditioning by air-conditioning described in the utility model, is formed integral type and is set Meter, not only realizes the real time monitoring to air-conditioning, obtains the floor data of air-conditioning in time, to find the fault point of air-conditioning in time, Also it solves the problems, such as that maintenance personal forgets to carry or inconvenient to carry, facilitates the operating condition that maintenance personal reads air-conditioning, simplify Maintenance process.

Embodiment six

A kind of system monitors tooling including system background and liquid feeding described above, further includes and 11 electricity of controller Wireless transmitter even, the wireless transmitter and the system background are wirelessly connected.

Wherein, after each liquid feeding monitoring tooling completes the process filled to air conditioner coolant every time, liquid feeding monitors work Dress by wireless transmitter by before filling, the operating condition of air-conditioning and the corresponding charging amount of filling process and most every time during filling Total charging amount is uploaded to system background afterwards, and the system background carries out finishing collecting to these data and analyzes, and then to adding The data parameters table operated normally under each operating condition in the memory 14 of liquid monitoring tooling optimizes upgrading.

System described in the utility model increases the design of system background, is conducive to the precision of the liquid feeding monitoring tooling Promotion and quality after sale constantly improve.

Embodiment seven

A kind of system as described above, the present embodiment and embodiment six the difference is that, further include one or more sky It adjusts, the air-conditioning is connect with the controller 11, and the system background includes the database of the air-conditioning, i.e. every air-conditioning has One independent database or more air-conditionings have a shared database.

Wherein, after each liquid feeding monitoring tooling completes the process filled to each air conditioner coolant, it is logical that liquid feeding monitors tooling Cross wireless transmitter by before filling, the operating condition of the air-conditioning and the corresponding charging amount of filling process and last every time during filling Total charging amount and the air-conditioner set operation data are uploaded to corresponding system background, and an air-conditioning forms a database, Correspondence system backstage carries out finishing collecting to these data, on the one hand realizes the monitoring of filling operation quality results, on the other hand To the data parameters table that operates normally under each operating condition in the memory 14 of each liquid feeding monitoring tooling by network analysis and It improved after manual analysis, implement remote upgrade.

System described in the utility model increases one-to-one liquid volume added monitoring, realizes the calculation of the liquid feeding monitoring tooling The lasting promotion of method and precision, also achieves the visualization for adding refrigerant quality after sale, tracing back property, reaches continuous quality improvement Purpose.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (8)

1. a kind of liquid feeding monitors tooling, which is characterized in that including primary control box (1) and connecting tube (2), set on the connecting tube (2) Have solenoid valve (3), the primary control box (1) includes controller (11) and the frequency conversion tester that is electrically connected with the controller (11) (16), display module (12), detection device (13), memory (14) and operation module (15), the solenoid valve (3) and the control Device (11) processed is electrically connected, and the detection device (13) includes pressure gauge (131) and temperature sensor (132), the pressure gauge (131) It is connected on the connecting tube (2), the detection device (13) further includes flow meters, the flowmeter and the connecting tube (2) it connects.

2. liquid feeding according to claim 1 monitors tooling, which is characterized in that the solenoid valve (3) is four way solenoid valve, institute It states pressure gauge (131) and flowmeter (138) is connected on the four way solenoid valve.

3. liquid feeding according to claim 1 monitors tooling, which is characterized in that the detection device (13) further includes vacuum meter (134), the vacuum meter (134) connect with the connecting tube (2).

4. liquid feeding according to claim 1 monitors tooling, which is characterized in that the pressure gauge (131) is electronic pressure gage, The temperature sensor (132) is thermocouple.

5. liquid feeding according to claim 1 to 4 monitors tooling, which is characterized in that the detection device (13) further includes Ammeter (133).

6. a kind of air-conditioning, which is characterized in that monitor tooling including any liquid feeding of claim 1-5, further include compressor (51) it is arranged at the refrigerant inlet of the compressor (51) with shut-off valve (52), the shut-off valve (52), the connecting tube (2) One end connect with the shut-off valve (52), the other end and refrigerant tank (4) connection, the temperature sensor (132) with described section Only valve (52) connects.

7. a kind of system, which is characterized in that monitor tooling including any liquid feeding of system background and claim 1-5, also Including the wireless transmitter being electrically connected with the controller (11), the wireless transmitter and the system background are wirelessly connected.

8. system according to claim 7, which is characterized in that further include an at least air-conditioning, the air-conditioning and the control Device (11) connection processed, the system background include the database of the air-conditioning.