METHOD FOR PERFORMING MEASUREMENT TASKS AND MANAGING MEASUREMENT DATA

Description

TECHNICAL AREA

[0001] The invention relates to a method for carrying out measurement tasks and for managing measurement data. STATE OF THE ART

[0002] Chemical plants are equipped with numerous measuring points that require regular calibration. This necessitates performing comparative measurements in parallel with the calibration of these points. For this purpose, sensors are placed in prepared reference ports or at / in service connections, and measurements are taken using these sensors. To track a regular measurement process over time, it is advantageous to record the measurement data, store it centrally, and make it available on-site. A wireless connection to a measuring point or a central data repository also simplifies the process.

[0003] Optimized servicing with measuring instruments is particularly beneficial for air conditioning systems. Air conditioning systems essentially consist of a circuit with two heat exchangers, a controlled expansion valve, and a pump, with the circuit filled with a refrigerant. The gaseous refrigerant is compressed by the pump and condenses, releasing heat, in a heat exchanger in the high-pressure (HP) section of the air conditioning system. The refrigerant is then expanded at the valve and, as it evaporates in a heat exchanger in the low-pressure (LP) section of the air conditioning system, absorbs thermal enthalpy, thus cooling a medium there. The evaporated refrigerant in the low-pressure section of the air conditioning system is then returned to the pump.

[0004] To fill or refill an air conditioning system with refrigerant, it is routinely evacuated using a vacuum pump, which also dehumidifies the system. The system is then filled, with the pressure in the high-pressure section and downstream of the expansion valve in the low-pressure section being set to specific values ​​depending on the vapor pressure temperature of the refrigerant used. The efficiency of the air conditioning system depends, among other things, on these set values. Enthalpy values ​​can be determined from pressure and temperature measurements in the high-pressure and low-pressure sections of the air conditioning system. Refrigerant-specific tables are used for this purpose. From the enthalpy values ​​and the electrical power consumption of the air conditioning system, an efficiency can then be calculated according to the definition of an industry-standard efficiency, such as EER (Energy Efficiency Ratio) or COP (Coefficient of Performance).

[0005] In the current state of the art, purely mechanical service devices are generally known to support fitters during the commissioning or maintenance of air conditioning systems.

[0006] From DE202012010642U1, a digital service device is known, comprising a housing, a valve block with a high-pressure port (HP port) and associated valve, a low-pressure port (LP port) and associated valve, a service port, a low-pressure-side temperature probe port, a high-pressure-side temperature probe port, and an electronic evaluation unit powered by a power storage device. The evaluation unit is connected to buttons, which are connected to internal pressure sensors that are pressure-tightly connected to the valve block. Furthermore, the evaluation unit is connected to two ports for external temperature probes and includes a data storage device and a display control unit connected to a digital display.

[0007] The technician can use wired temperature sensors to measure the pressure in the high-pressure and low-pressure sections of the air conditioning system.

[0008] Furthermore, WO 2010 / 028788 A1 discloses a method for acquiring and managing data from a large number of measuring instruments, wherein data from a measuring instrument is acquired at several measuring stations and processed into client-compatible data in a server computing unit and made available. In a client station with a client computing unit, the data provided by the server computing units of the measuring stations is retrieved via a communication network and further processed.

[0009] US 2014 / 0025321 A1 describes electricity meters for responding to user data and information requests regarding electricity consumption and power quality for each measuring point within an electricity distribution system. The electricity meter includes: a first network interface configured to receive a client-side information request, data request, or configuration request, process the request according to one or more network protocols, and forward the request to a second network interface via a network socket interface translator; a network socket interface translator coupled to the first network interface and configured to translate management signals between a network interface model of the first network interface and a network interface model of the second network interface to facilitate the transmission of data to / from the electricity meter and a client device and to forward requests from the first network interface to the second network interface;Protocol routines coupled to the network socket interface translator via the second network interface, wherein the protocol routines are configured to process client-side data requests by identifying the request as one of the information requests, data requests, and configuration requests; to create an internal data request if the request is identified as a data request or a configuration request; and to forward the internal data request to a data interface; the data interface, which is coupled to and configured with the protocol routines, to receive the internal data request; to translate the internal data request from a protocol routine format into a native database format; and to request data from a native database according to the request.and the native database, which is coupled to and configured with the data interface, to receive the data request from the data interface, to retrieve the requested data from a measuring unit of the electricity meter, and to forward the requested data via the data interface, protocol routines, the network socket interface translator, and the network interface to a requesting client.

[0010] Further methods and devices for data acquisition and / or data management are described in CN 102 697 498 A, US 2017 / 163608 A1, JP 2004 096906 A and WO 2017 / 022905 A1. TASK OF INVENTION

[0011] The object of the invention is to provide a method for carrying out measurement tasks and managing measurement data that is improved compared to the prior art.

[0012] The problem is solved by a method which has the features mentioned in claim 1.

[0013] Advantageous embodiments of the invention are the subject of the dependent claims. SUMMARY OF THE INVENTION

[0014] A method according to the invention for performing measurement tasks and managing measurement data using a system comprising at least one measuring device, at least one information carrier designed as a human-machine interface integrated with the measuring device or as a portable computer device with a screen independent of the measuring device, which is, for example, a component of the measuring device, at least one cloud server with a cloud application, and at least one user account in the cloud application. The measuring device and / or the information carrier are assigned to the user account. The measuring device and / or the information carrier are linked to the user account, for example, upon initial login to the user account.The measuring device provides measurement data logs containing measurement data received from sensors, which are assigned to the user account. The measuring device and / or the data carrier also provides further data sets containing the measurement data logs. Furthermore, a computer device is provided, whereby the computer device or the data carrier is assigned to the user account, and the measuring device and / or the data carrier exchange measurement data logs and / or further data sets with the computer device. For this purpose, no data connection to the cloud server is present or required, or any existing data connection to the cloud server is interrupted during the exchange.

[0015] In one possible configuration of the process, the cloud application also links further data sets with the measurement data protocols.

[0016] In another possible embodiment of the procedure, the functional unit or computer device is assigned to the user account, whereby certain storage and analysis functions on the computer device and / or the information carrier are only activated after a link or initial login with a user account on the cloud server.

[0017] In another possible configuration of the process, during initial pairing or when establishing a connection, the identification of the measuring device is linked to the identification of an information carrier or computer device and to a user account on the cloud server. For this purpose, an IMEI number, a mobile phone number, and / or an email address are or will be linked to a username and password as the login identifier.

[0018] In another possible embodiment of the procedure, various systems or air conditioning systems can be assigned to or are assigned to the user account, whereby an ID number of a system or air conditioning system is stored in the user account, under which a data record with measurement data of a system or air conditioning system can be stored or is stored.

[0019] In another possible embodiment of the procedure, a GPS position, an image, a film or a customer reference can be assigned or associated with the data record of a plant.

[0020] A measuring device used in the process, hereinafter also referred to as a service device, may comprise a housing, at least one internal sensor, an electronic control unit, at least one radio module, an operating device, and a data carrier. The measuring device may be configured to communicate with external sensors via wired and / or wireless connections. The electronic control unit is configured to convert measurement signals from internal and external sensors into digital measurement data and to provide the digital measurement data to the data carrier. The data carrier is configured to prioritize and visualize either the data from the wired or the data from the wirelessly connected sensors when both wired and wireless sensors are simultaneously available.

[0021] The measuring or service device advantageously enables intelligent support for a technician during the commissioning or maintenance of an air conditioning system by providing and / or transmitting data to the information carrier. The information carrier can then visualize, process, and / or analyze this data. This creates a measuring device that facilitates the commissioning and maintenance of industrial plants in the chemical industry, and especially of air conditioning systems, refrigeration / air conditioning systems, and heat pumps (hereinafter collectively referred to as air conditioning systems).

[0022] The measuring device is cost-effective and, thanks to its intelligent support, enables users to enjoy improved and easier operation and pairing of wired and / or wireless sensors.

[0023] In one possible configuration of the measuring device, the radio module is designed to communicate with other devices via one or more radio technologies and / or protocols, for example according to the so-called Bluetooth standard, according to the IEEE-802.11 family standard, for example Wireless-LAN, or according to a mobile communications standard.

[0024] In another possible configuration of the measuring device, the information carrier is directly connected to wireless temperature or pressure sensors, which transmit the measurement data to it, or indirectly connected to wireless and / or wired temperature or pressure sensors via the electronic control unit. In the latter case, the wired and / or wireless sensors transmit measurement data to the electronic control unit. The control unit can process and analyze this data and / or transmit it to the information carrier in processed or unprocessed form.

[0025] Depending on the configuration or sensor type, the information carrier is set up to automatically prioritize and visualize either the data from the wired or the data from the wireless sensors when connected to both wired and wireless sensors simultaneously.

[0026] In this context, configuration refers to the configuration and parameterization of the measuring or service device, which may include at least, but not exclusively, the following settings: Selection of a refrigerant; selection of a display function of the service unit; selection of a preferred sensor type, i.e., wireless sensors or wired sensors.

[0027] In this context, the term sensor type includes, for example, both The sensor type in terms of the measuring principle (relative pressure, absolute pressure, vacuum pressure sensor, resistance thermometer, thermocouple), the sensor type in terms of the connection to the measuring or service device (wired, wireless via a specific radio protocol), as well as the sensor type in terms of an assigned display function (HP - High Pressure, or LP - Low Pressure), or a combination of these categories understood.

[0028] In this context, prioritizing or visualizing the data, especially measurement data, of one sensor over the data of another sensor by the information carrier means, for example, that the data from the sensor treated with priority is processed, analyzed and / or visualized on a screen by the information carrier, while the data from the other sensor is not processed, analyzed and / or visualized on a screen, or at least not processed, analyzed and / or visualized on a screen at the same time.

[0029] In another possible configuration of the measuring device, the information carrier uses or visualizes measurement data from an external wired or wirelessly connected sensor with priority over measurement data from the internal sensor.

[0030] In another possible embodiment of the measuring device, it comprises a valve block. The valve block includes a high-pressure port and an associated shut-off valve for connection to a high-pressure section of an air conditioning system, a low-pressure port and an associated shut-off valve for connection to a low-pressure section of the air conditioning system, and at least one service port, in particular configured for connection to a compressed gas cylinder or a pump. The high-pressure port and the low-pressure port are each in a pressure-tight, fluidic connection with an internal pressure sensor.

[0031] In another possible embodiment of the measuring device, it includes a pressure generating device and / or a pressure regulating device.

[0032] In another possible configuration of the measuring device, the information carrier is implemented by a screen unit permanently connected to the measuring device and the electrical control unit. This screen unit can be, for example, an LCD display, an LED or OLED display, or a holographic screen. The screen unit can be controlled by an optional screen driver unit.

[0033] In another possible configuration of the measuring device, the screen unit, which is permanently connected to the measuring device and the electronic control unit, is combined with the operating device in the form of a touch display. Resistive, capacitive, and inductive touch detection are all suitable for this purpose.

[0034] In another possible embodiment of the measuring device, the operating device can also be implemented using push buttons.

[0035] In another possible configuration of the measuring device, featuring a portable computer with a screen that is independent of the service unit, this portable computer could be, for example, a laptop, a tablet computer, or a smart mobile device, also known as a smartphone. The portable computer communicates wirelessly with the service unit via the radio unit of the electronic control unit. Technologies and protocols such as Bluetooth, the IEEE 802.11 family of standards (e.g., wireless LAN), or a mobile communication standard are suitable for this connection. The portable computer can be directly connected to wirelessly and / or wired sensors.

[0036] Regardless of the design of the information carrier, in another possible configuration, the measuring or service device is set up to store measurement data received from connected sensors in measurement data protocols within an internal data memory of the measuring device. For this purpose, for example, the electronic control unit is configured to temporarily store measurement data from the wired and / or wirelessly connected sensors in the data memory as measurement data protocols and to link them with other data sets.

[0037] In a further development of the measuring device, if a wireless connection is established between it and a portable computer with a screen, the measurement data logs are automatically transferred to the portable computer. This function is particularly advantageous if an existing connection between the measuring or service device and a portable computer with a screen is temporarily interrupted during the commissioning or maintenance of an air conditioning system. As soon as the connection is restored, the measurement data logs recorded in the meantime are transferred to the portable computer. The technician can then view them on the computer, and no measurement information is lost.

[0038] The measuring or service device is designed to be connected to wireless and / or wired pressure and temperature sensors.

[0039] Pressure sensors include sensors that measure relative to ambient pressure, sensors that measure absolutely, and vacuum sensors.

[0040] To enable the use of wired sensors, the service device can be equipped with plug sockets.

[0041] Wireless sensors, on the other hand, are powered by a battery / rechargeable battery and transmit their measurement data via integrated radio modules. This requires prior pairing with the service device. To do this, a function for integrating wireless sensors is initiated on the service device. This displays available, activated wireless sensors on the information carrier, for example, in a selectable list. These sensors can then be selected and paired with the service device. To do this, the wireless sensors send an identifier to the service device, which can also be permanently assigned to specific functions. For example, a pressure sensor can be assigned to an HP function and / or display function. This assignment is then automatically recognized as such, even when the service device is switched on again, and can be reused in that function and / or display function.

[0042] Optionally, a wireless sensor can be color-coded or permanently configured as an HP or LP sensor via a concealed microswitch. Optionally, the sensor can have internal memory to store measured values ​​and retain them in the event of a connection interruption until the connection to the service device can be re-established. A status indicator, such as a light or LED, can also change color to reflect specific conditions, such as low battery or a poor or interrupted data connection.

[0043] In another possible configuration of the measuring device, the wireless sensors are equipped with a rechargeable battery as a power storage device. To recharge their battery, the sensors can be connected to the service unit and charged with energy from the service unit's main power storage. The main power storage can be a rechargeable battery or consist of replaceable batteries. The sensors can be connected to the service unit via a sensor-specific connector into which a part of the sensor can be inserted or plugged.

[0044] For temperature sensors designed in the form of clips, another possible embodiment may include protrusions, ridges, or pins on the housing of the service device, to which or around which the clips can be closed. This establishes an electrical connection through which the sensor's energy storage is charged.

[0045] Both wired and wireless temperature sensors can be assigned an "HP - High Pressure" or "LP - Low Pressure" function. In this context, an HP temperature sensor is understood to be a temperature sensor that should be connected in the high-pressure section of an air conditioning system, while an LP temperature sensor should be connected in the low-pressure section.

[0046] In another possible embodiment of the measuring device, the information carrier is configured to assign a low-pressure display function, a high-pressure display function, or a negative pressure / vacuum display function to an external sensor based on an identification signal transmitted by the external sensor and / or a measuring range transmitted by the external sensor and / or the measurement signals transmitted by the external sensor.

[0047] In another possible embodiment of the measuring device, the information carrier is set up to display available sensors, whereby in the event of a loss of a data connection to a wired sensor, a wirelessly connectable sensor can be automatically assigned to the measuring device.

[0048] In another possible configuration of the measuring or service device, it intelligently supports the technician in connecting and managing wired and wireless sensors by applying specific routines that depend on the sensor type and / or the configuration of the service device.

[0049] One possible routine in this configuration involves the service device automatically detecting a newly available wireless sensor and establishing a connection to it if there is no connection to a wired sensor with the same measurement function, or if the connection to a wired sensor is interrupted. For example, if a wireless temperature sensor with an "HP - High Pressure" function is detected, and the service device is not connected to a wired HP temperature sensor, or if the connection to such a wired temperature sensor is interrupted, a connection to the corresponding wireless temperature sensor is immediately established.

[0050] Another possible routine in this configuration involves the service unit automatically establishing a connection to available wireless, external pressure sensors and prioritizing their measurement data over that of the internal pressure sensors, visualizing it on the information carrier. In this case, a display on the information carrier indicates that the data source has changed. This routine is based on the idea that an external pressure sensor directly connected to an air conditioner can generally provide more accurate readings of the actual pressure conditions within the air conditioner than the sensors integrated into the service unit, since there is always a hose connection between the HP or LP port on the service unit's valve block and the air conditioner. This hose connection could, for example, become pinched at times, thus hindering pressure equalization between the air conditioner and the service unit.

[0051] In another possible configuration of the measuring device, it is configured to establish a radio connection with a scale and receive weighing data from it. The scale can be loaded with a pressure vessel containing a refrigerant. During the filling of an air conditioning system with refrigerant, the decreasing weight of the pressure vessel can be recorded by the scale and the weight values ​​transmitted to the service unit. The information carrier can then display both the current absolute weight of the pressure vessel and any weight changes during the filling process. The weight change of the pressure vessel corresponds to the amount of refrigerant being filled into the air conditioning system.

[0052] If the technician has connected the pressure vessel to the service port of the valve block on the service unit to fill the air conditioning system, this design offers the advantage that the technician can directly monitor the change in weight of the pressure vessel via the information carrier and immediately close the shut-off valves on the valve block when the desired mass of refrigerant has flowed from the pressure vessel, through the service port, the valve block and the LP and / or HP connections of the valve block into the air conditioning system.

[0053] In another possible embodiment of the measuring device, a switching valve is provided which is connected to the measuring device either via cable or wirelessly, wherein an external sensor is set up to measure a weight and the switching valve is actuated by the measuring device when a target value of the measured weight is reached.

[0054] In another possible embodiment of the measuring device, the filling process can be further simplified by actuating the electric switching valve when a previously defined threshold of weight change is detected by the scale or when another pressure or temperature threshold is detected by a sensor connected to the service unit on the air conditioning system.

[0055] This means that the measuring device receives weight data of the container and when refrigerant is withdrawn from the container or the container is filled with refrigerant and the weight threshold of the container is reached, the switching valve closes a fluidic connection between the container and the system, in particular the air conditioning system.

[0056] In another possible configuration of the measuring device, the switching valve is directly connected to the scale. The scale receives a signal via radio link to the service unit specifying the mass of refrigerant to be added to the air conditioning system. The scale then automatically controls the electric switching valve to regulate the flow of refrigerant into the air conditioning system.

[0057] In another possible configuration of the measuring device, the switching valve is connected to the measuring or service device via a wireless connection or a cable. The measuring or service device then controls the electric switching valve independently or triggered by an operator input to regulate the flow of refrigerant into the air conditioning system.

[0058] In another possible configuration of the measuring device, it is designed to emit an audible and / or visual alarm when certain defined conditions are reached. Such defined conditions could include: Reaching a maximum permissible pressure value; reaching a maximum permissible temperature value; exceeding a user-defined parameter (pressure, temperature or weight); reaching a low battery level.

[0059] In this context, an optical alarm can be understood, for example, as a signal via the information carrier or as a light on the service device lighting up or flashing.

[0060] In another possible embodiment of the measuring device, the electronic control unit is configured to store the amount of refrigerant removed or added when the removal or filling of the container is interrupted. Upon resumption or filling, particularly after a container replacement, the amount of refrigerant removed or added after resumption is added to the previously stored amount. This function, also known as the hold function, enables the user to easily, accurately, and conveniently fill the system with refrigerant.

[0061] In another possible embodiment of the measuring device, its pressure sensors can be calibrated and / or provided with a software update.

[0062] A software update can be installed via a memory card, e.g. an SD card, a cable connection to an external computer device, e.g. a USB cable connection, a physical data storage device, e.g. a USB storage device, and / or a wireless connection.

[0063] Calibration of a pressure sensor is performed, for example, either by correcting a zero-point signal when the sensor is subjected to ambient pressure, or by a two-point calibration for relative, absolute, and vacuum sensors. Additionally, sensor calibration can be carried out by the manufacturer through characteristic curve matching.

[0064] Calibration data can be stored in the service device, whereby the service device then uniquely and permanently assigns the calibration data to the pressure sensor, and / or stores it in an internal memory of the pressure sensor.

[0065] In another possible configuration of the measuring device, it is set up to connect to an external server via an internet connection. The data carrier, particularly in the form of a portable computer device, can also be set up to connect to an external server via an internet connection.

[0066] This internet-based connection can be established in various ways, e.g. by means of a wireless connection to a WLAN router, LoRa, a mobile connection to a mobile phone mast or a wired connection to a router.

[0067] Furthermore, the information carrier, in the form of a portable computer device, can also be connected via a wired connection to another computer device, such as a laptop or desktop PC. This second computer device then establishes an internet-based connection to the server.

[0068] Thus, the measuring device enables functionalities for the transmission and use of server-based data to an application that can be utilized within a software framework.

[0069] In a further possible configuration of the measuring device, it is possible to exchange protocols and / or characteristic data for air conditioning systems and / or customers between the external server, other computer devices, the service device, and / or the information carrier, whereby protocols and / or characteristic data for air conditioning systems and / or customers are stored on or accessed from the server. This data and / or protocols may include, among other things: an identifier of an air conditioning system, date information about the commissioning and / or last maintenance of an air conditioning system, measurement data logs from a commissioning and / or maintenance of an air conditioning system with the service device, wherein the measurement data, for example, This may include temperatures, pressures or achieved vacuum holding times, but also fixed system data such as cooling capacity, compressor capacity, operating hours, fault conditions, fault types, customer feedback, total power consumption, volume, refrigerant and other special conditions. Information about the next scheduled maintenance appointment for an air conditioning system and / or location information for an air conditioning system.

[0070] In this context, "other computer devices" refers to computer devices such as laptops, desktop PCs and other portable or stationary computer devices that are set up to establish an internet-based connection to the server.

[0071] This means that fixed, specific system data, such as the refrigerant used or the volume of a system, can be linked to service data via web-based applications for the user of the device, but also for the end customer or for future service intervals for long-term consideration.

[0072] In another possible configuration of the measuring device, it is configured to determine its position using a satellite-based positioning system. The information carrier, particularly in the form of a portable computer device, can also be configured to determine its position using a satellite-based positioning system.

[0073] Combined with data on the location of air conditioners, which the service device and / or information carrier retrieve from a server via an internet connection, this location can be used to determine which air conditioners are nearby. Data on the nearest air conditioners can then be retrieved and displayed on the information carrier.

[0074] In another possible embodiment of the measuring device, it is designed to read a machine-readable marking attached to the air conditioning system and to identify the air conditioning system based on the read machine-readable marking and / or to obtain data about the air conditioning system from the read machine-readable marking.

[0075] In this context, machine-readable marking refers, for example, to marking in the form of a graphic symbol, a barcode, a two-dimensional code (e.g., QR code, Datamatrix code), or a contactless readable chip (e.g., RFID label, NFC chip / token).

[0076] In another possible configuration of the measuring device, it is designed to establish a radio connection with an air conditioning system if that system has an air conditioning control and / or communication unit equipped with a radio module. Data about the air conditioning system and / or protocols, previously stored in the air conditioning control and / or communication unit, can be transmitted via this radio connection to the service device and / or the information carrier.

[0077] In another possible configuration of the measuring device, it is set up to store and / or retrieve logs, in particular measurement logs from wireless and / or wired sensors connected to the service device, as well as characteristic data for specific systems and customers, via an internet connection on external servers. The internet connection can be established, for example, via mobile network, a connection according to the IEEE 802.11 family of standards (e.g., wireless LAN), or LAN. The logs and data stored on the external servers can also be accessed by the technician using a portable computer or a desktop computer. The service device can use the logs and data retrieved from the external servers to intelligently support the technician during maintenance and / or commissioning, for example, by...Measurement logs from past maintenance operations are visualized via the information carrier and compared to the results of the current maintenance, or key data of the air conditioning system, such as the optimal fill quantity of refrigerant and the type of refrigerant last filled, are processed and / or visualized via the information carrier.

[0078] Furthermore, this data can also be made available to the end customer via a portal. For example, a hotel or company can have an overview of all air conditioning units with a respective "health status," which displays parameters such as air temperature, cooling capacity, cycles, on / off status, maintenance cycles, and / or, based on the aforementioned data, a recommendation for the next service appointment or a suggested order for a service technician visit. The service technician can also provide all logs, invoices, and other data via this portal.

[0079] In another possible design of the measuring device, it includes a lockable device for security as theft protection, or eyelets are integrated into the housing of the measuring or service device through which the measuring or service device can be secured with a lock.

[0080] In another possible embodiment of the measuring device, it can be connected to at least two or at least four wireless and / or wired temperature sensors and at least one or at least two external wireless and / or wired pressure sensors, and the measuring or service device receives and processes the measurement data of all these sensors simultaneously or sequentially.

[0081] Furthermore, the service unit accesses, for example, refrigerant-specific auxiliary tables stored in its data memory. For instance, upon request from the technician, the service unit processes the received sensor data and, using the refrigerant-specific auxiliary tables, calculates the efficiency of an air conditioning system and outputs this value via the information carrier.

[0082] Refrigerant-specific auxiliary tables are understood to be, in particular, tables which include specific enthalpy values ​​of the refrigerant, broken down at least according to pressure and temperature.

[0083] The measuring device facilitates and / or improves the maintenance and commissioning of air conditioning systems by enhancing several steps of the commissioning and / or maintenance process through new procedures that utilize the measuring or service device. These steps include, for example, checking the air conditioning system for leaks, measuring the temperature of the air conditioning system, and determining its efficiency.

[0084] In a possible procedure for commissioning and / or maintaining an air conditioning system with the service device, the leak test of the air conditioning system is improved by performing the following steps: Connecting the high-pressure (HP) section of the air conditioner to the HP port of the service unit and connecting the low-pressure (LP) section of the unit to the LP port of the service unit, opening both shut-off valves on the service unit and evacuating the air conditioner with a vacuum pump until a minimum pressure dependent on the pump's capacity is reached, switching off the pump, closing the shut-off valves on the service unit and recording the pressure increase due to leaks in the air conditioner using the service unit's internal sensors or using wired and / or wireless pressure sensors connected to the service unit for a specific time period t1, extrapolating the measurement data recorded over the time period t1. either to determine a time interval t2 after which a certain pressure limit is expected to be reached due to leaks in the air conditioning system and output this time interval via the information carrier, or to output a pressure limit which is expected to be reached after a fixed time t3, which is greater than the time interval t1, due to leaks in the air conditioning system, or calculation and output of a leakage rate based on the measurement data recorded over the time period t1.

[0085] This procedure offers the technician the advantage that the test can be carried out in a short time and the technician can use either the determined time t2 or the determined pressure limit value at time t3 as a guideline to decide when the next maintenance of the system should be carried out at the latest.

[0086] A leakage rate can be analyzed as an important parameter of the system to determine whether the system may be operated. For the service device to determine an absolute leakage rate, the technician must enter a parameter for the internal volume of the air conditioning system.

[0087] In another possible procedure for commissioning and / or maintaining an air conditioning system with the service device, the leak test of the air conditioning system is improved by carrying out the following steps: Connection of the high-pressure (HP) part of the system to the HP port of the service unit and connection of the low-pressure (LP) part of the system to the LP port of the service unit, application of pressure from a pressure source higher than ambient air pressure to the air conditioning system, disconnection of the connection to the pressure source and recording of the pressure drop due to leaks in the air conditioning system using the internal sensors of the service unit or using wired and / or wireless pressure sensors connected to the service unit for a specific time period t1, extrapolation of the measurement data recorded over the time period t1. either to determine a time interval t2 after which a certain pressure limit will be reached due to leaks in the air conditioning system, and output this time interval via the information carrier, or to output a pressure limit which is expected to be reached in a fixed time t3 due to leaks in the air conditioning system, or calculation and output of a leakage rate based on the measurement data recorded over the time period t1.

[0088] Like the previously described leak testing method with vacuum, this leak testing method with overpressure also offers the technician the advantage that the test can be carried out in a short time, and the technician can use either the determined time t2 or the determined pressure limit value at time t3 as a guideline to decide when the next maintenance of the system should be carried out at the latest.

[0089] The extrapolation of the measurement data and the calculation of certain characteristic values ​​in both leak testing methods can be carried out directly by the measuring or service device or the information carrier.

[0090] In another possible method for commissioning and / or maintaining an air conditioning system with the service device, the temperature measurement on the air conditioning system's pipes is improved by carrying out the following steps: Connection of at least one wired or wireless temperature sensor to the service unit, establishment of thermal contact between the at least one temperature sensor and a pipe of the air conditioning system to determine the temperature on a surface of the pipe, connection of at least one further wired or wireless temperature sensor to the service unit to determine an ambient temperature or determination of an ambient temperature by a temperature sensor integrated in the service unit, use of the measured surface temperature of the pipe and the measured ambient temperature by the service unit to calculate a real temperature of the refrigerant in the pipe and output via the information carrier.

[0091] This improved method for temperature measurement offers the installer the advantage that a temperature measurement error due to a temperature gradient between the inside of a pipe, which is in thermal contact with the refrigerant, and the outside of the pipe, which is in thermal contact with the ambient air, can be eliminated, and thus the actual real temperature of the refrigerant in the air conditioning system can be determined more accurately.

[0092] For calculating the actual temperature of the refrigerant in the pipeline, the service device uses, for example, predefined material properties and geometry data for the pipeline in the described procedure, which correspond to industry-standard values.

[0093] In a subsequent possible method for commissioning and / or maintaining an air conditioning system with the service device, the temperature measurement on the air conditioning system's pipes, using the measured surface temperature of the pipe and the measured ambient temperature, is improved by allowing the technician to input specific material properties and / or geometry data of the pipe, so that the service device calculates a real temperature of the refrigerant in the pipe, taking this specific data into account, and outputs it via the information carrier.

[0094] In another possible method for commissioning and / or maintaining an air conditioning system with the service device, the determination of the air conditioning system's efficiency is improved by performing the following steps: Installation of at least two, or at least four, temperature sensors connected to the service unit and at least one, or at least two, external pressure sensors connected to the service unit on the air conditioning system, and connection of the service unit's internal pressure sensors to the air conditioning system such that at least two of the following four temperature and pressure value pairs are measured: a) temperature and pressure before the expansion valve, b) temperature and pressure after the expansion valve, c) temperature and pressure from the evaporator, d) temperature and pressure after the evaporator, e) temperature and pressure before the compressor, f) temperature and pressure after the compressor, and assignment of corresponding functions to the respective sensors, reception and processing of the measurement data from all connected sensors by the service unit, and use of refrigerant-specific auxiliary tables to calculate a real efficiency of the air conditioning system according to the defined key figures EER or COP.

[0095] Assigning the corresponding functions to the respective sensors means, for example, that the technician configures on the service device or the information carrier which sensor is installed at which measuring position.

[0096] For example, the information carrier displays an identifier or label for each connected sensor to the technician, allowing them to unambiguously identify which sensor they should use to input the selected function, i.e., the chosen measurement position, on the service device. This process is repeated for all connected sensors. BRIEF DESCRIPTION OF THE DRAWINGS

[0097] Exemplary embodiments of the invention are explained in more detail below with reference to drawings.

[0098] This shows: Fig. 1A Schematic: a system for performing measurement tasks and managing measurement data; Fig. 1B Schematic: an arrangement of a measuring device, a system, and a pump; Fig. 1C Schematic: a possible configuration of an intelligent service device for commissioning or maintenance of an air conditioning system; Fig. 1D Schematic: an arrangement of a service device, an air conditioning system, and a cloud server for commissioning or maintenance of an air conditioning system; Fig. 2 Schematic: another possible configuration of the intelligent service device for commissioning or maintenance of an air conditioning system; Fig. 3A Schematic: a possible configuration of the intelligent service device and external wireless sensors; Fig. 3B Schematic: a possible configuration of the intelligent service device and external wireless and wired sensors; Fig. 4A Schematic: another possible configuration of the intelligent service device and external wireless sensors.4B Schematic of another possible embodiment of the intelligent service device as well as external wireless and wired sensors, Fig. 5A to 5D Schematic of four possible embodiments of a connection between a housing and a wireless temperature sensor for charging the energy storage of the temperature sensor, Fig. 6A Schematic of a possible embodiment of the intelligent service device with a scale and a wired electric switching valve connected to the scale, Fig. 6B Schematic of a possible embodiment of the intelligent service device with a scale and a wireless electric switching valve, Fig. 7A Schematic of a pipe for a refrigerant in cross-section with a temperature sensor in thermal contact, Fig. 7B Schematic of a qualitative radial temperature profile from the center of a pipe to beyond the outer surface of a pipe, Fig.8A Schematic of a communication arrangement in which an embodiment of the intelligent service device is connected to a server via a WLAN router and an internet-based connection, Fig. 8B Schematic of a communication arrangement in which an embodiment of the intelligent service device is connected to a mobile phone mast via a mobile phone connection and an internet-based connection to a server, Fig. 8C Schematic of a communication arrangement in which an embodiment of the intelligent service device is connected to a server via a wired router and an internet-based connection, Fig. 9A Schematic of a communication arrangement in which an embodiment of the intelligent service device is connected to a server via a portable computer device and a WLAN router and an internet-based connection, Fig.Fig. 9B Schematic of a communication arrangement in which a configuration of the intelligent service device is connected via a portable computer device and a mobile communication link to a mobile communication mast and an internet-based connection to a server. Fig. 9C Schematic of a communication arrangement in which a configuration of the intelligent service device is connected via a portable computer device and a router via a wired internet-based connection to a server. Fig. 10 Schematic of a possible configuration of the intelligent service device and a portable computer device as an information carrier at the center of a communication arrangement.

[0099] Corresponding parts are marked with the same reference symbols in all figures.

[0100] In Figure 1A A system 60 for carrying out measurement tasks and managing measurement data is shown.

[0101] System 60 comprises a measuring device 1, hereinafter also referred to as service device 1, which is described in more detail in the following figures by way of example with reference to various embodiments.

[0102] The measuring device 1 is coupled to a system or an air conditioning system 2 and includes internal sensors for detecting a pressure P1 and a temperature T1 of a medium carried in the system or refrigerant carried in the air conditioning system 2.

[0103] The measuring device 1 comprises an information carrier 15 with a screen unit 20. The measuring device 1 can also be coupled with an information carrier 15 designed as a portable computer device 21, which comprises a screen 22.

[0104] The information carrier 15 is configured to prioritize and visualize either the data from the wired or the data from the wirelessly connected sensors when both wired and wireless sensors are available simultaneously, for example, an external wireless pressure sensor 18 and an external wireless temperature sensor 16.

[0105] A second pressure, P2, is determined using the wireless pressure sensor 18. A second temperature, T2, is determined using the wireless temperature sensor 18. The pressure P2 and the temperature T2 are transmitted wirelessly from the external pressure sensor 18 and the external temperature sensor 16, respectively, to the information carrier 15.

[0106] Furthermore, the information carrier 15 is configured to display available sensors, whereby in the event of a loss of a data connection to a wired sensor, a wirelessly connectable sensor is automatically assigned to the measuring device 1.

[0107] Furthermore, the information carrier 15 is designed to use or visualize measurement data from an external wired or wirelessly connected sensor with priority over measurement data from the internal sensor.

[0108] The information carrier 15 recognizes an external sensor based on an identification signal transmitted by the external sensor and / or a measuring range transmitted by the external sensor and / or assigns a low-pressure display function or a high-pressure display function or a negative pressure / vacuum display function to the measuring signals transmitted by the external sensor.

[0109] In this process, the data from the priority sensor is processed, analyzed and / or visualized on screen 22 by information carrier 15, while the data from the other sensor is not processed, analyzed and / or visualized on screen 22, or at least not processed, analyzed and / or visualized on screen 22 at the same time.

[0110] The measuring device 1 is connected to a cloud server 44 via an internet-based connection 43.

[0111] Cloud Server 44 includes a cloud application and at least one [unclear text]. Figure 1D User account 53, as shown in more detail in the cloud application, is assigned to measuring device 1 and / or information carrier 15.

[0112] The measuring device 1 provides measurement data logs with the pressures P1 and / or P2 and the temperatures T1 and / or T2, which are assigned to user account 53. Additionally, the measuring device 1 and / or the information carrier 15 and / or the cloud application can provide further data. Figure 1D Link the data sets 54, which are presented in more detail, with the measurement data protocols.

[0113] The computer device 21 or the information carrier 15 are assigned to the user account 53, wherein the measuring device 1 and / or the information carrier 15 exchange measurement data protocols and / or other data sets 54 with the computer device 21, whereby no data connection to the cloud server 44 is required for this exchange or an existing data connection to the cloud server 44 is interrupted during the exchange.

[0114] On the functional carrier 15 assigned to user account 53 or on the computer device 21 assigned to user account 53, certain storage and analysis functions are, for example, only activated after a link or initial login with a user account 53 on the cloud server 44.

[0115] For example, during an initial pairing or connection setup, an identification of the measuring device 1 is linked with an identification of the information carrier 15 and / or the computer device 21 and with a user account 53 on the cloud server 44, using an IMEI number, a mobile phone number and / or an email address as the login identifier. Figure 1D User B, as described in more detail, will be linked to a password.

[0116] Furthermore, 53 different systems or air conditioning units 2 can be assigned or are assigned to the user account, whereby an ID number of a system or air conditioning unit 2 is stored in the user account 53, under which a data record 54 with measurement data of a system or air conditioning unit 2 can be stored or is stored.

[0117] Furthermore, a GPS position, an image, a film or a customer reference can be assigned or associated with data set 54 of a system or air conditioning unit 2.

[0118] Furthermore, the system 60 includes a satellite-based positioning system 50. Both the air conditioning unit 2 and the information carrier 15 can be connected to this satellite-based positioning system 50 and thus determine their geo-positions and transmit them together with the data sets to the cloud server 44.

[0119] Additional computer devices 47 can also be connected to the cloud server 44 via the internet-based connection 43. The cloud server 44 provides these devices with information, such as plant data and measurement logs 51, which can be accessed and displayed by the computer devices 47.

[0120] Figure 1B shows a possible arrangement of a measuring device 1 (service device 1), a system 2 or air conditioning system 2 and a pump 29 which can be coupled to the measuring device 1.

[0121] Furthermore, a pressure sensor 19 is shown, which can be connected to the measuring device 1 via a wired connection 52 on the measuring device. The connection 52 can also be designed as a media socket, for example for current and voltage.

[0122] The measuring device 1 comprises a housing 3, a high pressure / HP connection 5, a low pressure / LP connection 6 and a service connection 7, as well as an electronic control unit 10 and / or optionally a portable computer device 21 with a screen 22 as a further information carrier 15.

[0123] A hose connection connects the high pressure / HP port 5 to the HP part of the system 2.

[0124] Another hose connection connects the low-pressure / LP connection 6 to the LP part of the system 2.

[0125] The service port 7 can be connected to an inlet of the pump 29 by means of another hose connection.

[0126] The measuring device 1 can further comprise a pressure generating device 61, which is implemented, for example, by a hand-operated pump or an electric pump.

[0127] In Figure 1CA possible design form of an intelligent service device 1 is shown during the maintenance or commissioning of an air conditioning system 2.

[0128] The service unit 1 is shown with a housing 3, a valve block 4, a high pressure / HP connection 5, a low pressure / LP connection 6, a service port 7, two shut-off valves 8, several buttons as operating device 13, a screen unit 20 as information carrier 15, a portable computer device 21 with a screen 22 as a further information carrier 15, two external wireless temperature sensors 16, an external wireless pressure sensor 18, a wired pressure sensor 19 and three connected hose connections.

[0129] A hose connection connects the high pressure / HP port 5 to the HP part of the air conditioning system 2 by being connected to a pipe at the outlet of a compressor 30.

[0130] Another hose connection connects the low-pressure / LP port 6 to the LP part of the air conditioning system 2 by being connected to the piping at the inlet of the compressor 30.

[0131] Another hose connection connects the service port 7 to an inlet of a pump 29, which in turn is connected to a compressed gas cylinder 28, with the compressed gas cylinder 28 standing on a scale 23.

[0132] The air conditioning system 2 is represented by the main components compressor 30, condenser 31, expansion valve 32, and evaporator 33. In the condenser 31, a refrigerant releases heat energy (heat release 27), and in the evaporator 33, it absorbs heat energy (heat absorption 34).

[0133] Figure 1D shows an arrangement of a measuring device 1 (service device 1), an air conditioner 2 and a cloud server during the commissioning or maintenance of an air conditioner 2.

[0134] The measuring device 1 is connected to the cloud server 44 via the internet-based connection 43.

[0135] The cloud server 44 comprises the cloud application and at least one user account 53 within the cloud application. The measuring device 1 and / or the information carrier 15 are assigned to the user account 53.

[0136] The measuring device 1 provides measurement data logs as data records 54, which are assigned to the user account 53. Additionally, the measuring device 1 and / or the information carrier 15 and / or the cloud application can link further data records 54 to the measurement data logs.

[0137] For example, various systems or air conditioning units 2 can be assigned to or are assigned to user account 53, whereby an ID number of a system or air conditioning unit 2 is stored in user account 53, under which a data record 54 with measurement data of a system or air conditioning unit 2 can be stored or is stored.

[0138] Furthermore, a GPS position, an image, a film or a customer reference can be assigned or associated with data set 54 of a system or air conditioning unit 2.

[0139] In Figure 2 Another design form of the intelligent service device 1 is shown during the maintenance or commissioning of an air conditioning system 2.

[0140] The service unit 1 is shown with a housing 3, a valve block 4, a high pressure / HP port 5, a low pressure / LP port 6, a service port 7, two shut-off valves 8, an information carrier 15, a portable computer device 21 with a screen 22 as a further information carrier 15, an external wireless temperature sensor 16, an external wireless pressure sensor 18 and three connected hose connections.

[0141] A hose connection connects the high pressure / HP port 5 to the HP part of the air conditioner 2.

[0142] Another hose connection connects the low-pressure / LP connection 6 to the LP part of the air conditioning system 2.

[0143] Another hose connection connects the service port 7 to the inlet of a pump 29, which in turn is connected to a compressed gas cylinder 28, with the compressed gas cylinder 28 standing on a scale 23.

[0144] The air conditioning unit 2 is schematically indicated by a dashed frame. On the portable computer device 21, operator input via touch 39 is schematically indicated.

[0145] In Figure 3A A possible design of the intelligent service device 1 is shown schematically.

[0146] The service unit 1 is shown with a housing 3, a valve block 4, a high-pressure / HP connection 5, a low-pressure / LP connection 6, a service port 7, two shut-off valves 8, two internal pressure sensors 9, an electronic control unit 10, a main power storage unit 11, a data storage unit 12, an operating unit 13, a radio module 14, an information carrier 15, an external wireless temperature sensor 16, and an external wireless pressure sensor 18. The service unit 1 communicates wirelessly with the wireless sensors 16 and 18 shown via its radio module 14.

[0147] In Figure 3B A further possible design of the intelligent service device 1 is shown schematically.

[0148] In addition to the already in Figure 3A The components shown are the service unit 1 in Figure 3B shown with two cable connections 35, a wired temperature sensor 17 and a wired pressure sensor 19.

[0149] In Figure 4A A further possible design of the intelligent service device 1 is shown schematically.

[0150] The service unit 1 is shown with a housing 3, a valve block 4, a high-pressure / HP port 5, a low-pressure / LP port 6, a service port 7, two shut-off valves 8, two internal pressure sensors 9, an electronic control unit 10, a main power storage unit 11, a data storage unit 12, an operating unit 13, a radio module 14, an external wireless temperature sensor 16, an external wireless pressure sensor 18, and an external portable computer 21 with a screen 22. The service unit 1 communicates wirelessly with the wireless sensors 16 and 18 shown, as well as with the portable computer 21, via its radio module 14.

[0151] In Figure 4B A further possible design of the intelligent service device 1 is shown schematically.

[0152] In addition to the already in Figure 4A The components shown are the service device 1 in Figure 4B with two cable connections 35, a wired temperature sensor 17 and a wired pressure sensor 19.

[0153] In the Figures 5A to 5D Four ways are shown in which an external, wireless temperature sensor 16 can be connected to a housing 3, for example, so that an internal power storage of the wireless temperature sensor 16 is connected to electrical charging contacts 40 on the housing 3 and can be charged via this connection.

[0154] In Figure 5A The housing 3 is shown with cylindrical or conical protrusions 37 around which a wireless temperature sensor 16 in a clamp-on design can be attached. The electrical charging contacts 40 are shown by way of example as ring-shaped elements arranged on the outer surface of the protrusion 37.

[0155] In Figure 5BThe housing 3 is shown with sensor couplings 36, around which a wireless temperature sensor 16, or another sensor, can be inserted or plugged. The electrical charging contacts 40 are shown as an example of contact points on a base surface of the sensor coupling 36.

[0156] In Figure 5C The housing 3 is shown with rectangular protrusions 37 to which a wireless temperature sensor 16 in clamp form can be attached. The electrical charging contacts 40 are shown as contact points on the outer surface of the protrusion 37.

[0157] In 5D Figure The housing 3 is shown with a contactless charging surface 41, to which a wireless temperature sensor 16 or another wireless sensor can be placed or attached. Charging is carried out by contactless charging, e.g. via inductive energy transfer.

[0158] In Figure 6AAnother possible design form of the intelligent service device 1 is shown.

[0159] The high pressure / HP connection 5 and the low pressure / LP connection 6 of the service unit 1 are connected to an air conditioning unit 2 via hose connections.

[0160] There is also a hose connection between the service port 7 of the service device 1 and the output of an electric switching valve 24, which is connected on the input side to a pressurized gas cylinder 28.

[0161] The pressurized gas cylinder 28 is standing on a scale 23.

[0162] Scale 23 and service unit 1 communicate wirelessly with each other. The electric switching valve 24 is connected to scale 23 via cable.

[0163] In Figure 6B Another possible design form of the intelligent service device 1 is shown.

[0164] The high pressure / HP connection 5 and the low pressure / LP connection 6 of the service unit 1 are connected to an air conditioner 2 via hose connections.

[0165] There is also a hose connection between the service port 7 of the service device 1 and the output of an electric switching valve 24, which is connected on the input side to a pressurized gas cylinder 28.

[0166] The compressed gas cylinder 28 is placed on a scale 23. The scale 23 and the service unit 1 are in radio communication with each other. The electric switching valve 24 is also in radio communication with the service unit 1 and / or the scale 23.

[0167] In Figure 7A A cross-section of a pipeline 25 for a refrigerant 26 is shown.

[0168] A sensor head of a temperature sensor 38 is in thermal contact with an outer surface of the pipeline 25.

[0169] The pipe 25 releases heat to its surroundings (=heat emission 27), since the refrigerant 26 in the pipe 25 has a higher temperature than the ambient temperature in this representation.

[0170] The geometric data of the pipeline 25 are qualitatively represented by an outer diameter Da, an inner diameter di and a wall thickness s.

[0171] In Figure 7B qualitatively, a temperature profile from the center of the pipeline 25 according to Figure 7A applied over the radius.

[0172] While the temperature near the center is at least essentially constant, it drops slightly towards the inner edge of the pipe 25 at di / 2, as heat is dissipated to the environment via a pipe wall.

[0173] Within the pipe wall between di / 2 and Da / 2 a temperature gradient results, the course of which depends on the temperature of the refrigerant 26, the ambient temperature and the heat conduction properties of the pipe material.

[0174] In Figure 8A A possible configuration of a communication arrangement is shown schematically, in which a possible configuration of the intelligent service device 1 is connected to a server 44 via a WLAN router 42 and an internet-based connection 43.

[0175] The service device 1 is in wireless communication with the WLAN router 42. The WLAN router 42, in turn, is in an internet-based connection 43 with the server 44, for example via a wired connection.

[0176] In Figure 8BA further possible configuration of a communication arrangement is shown schematically, in which a possible configuration of the intelligent service device 1 is or will be connected to a mobile phone mast 45 via a mobile phone connection and to a server 44 via an internet-based connection 43.

[0177] In Figure 8C A further possible configuration of a communication arrangement is shown schematically, in which a possible configuration of the intelligent service device 1 is or will be connected to a server 44 via a wired connection 46 and an internet-based connection 43.

[0178] In Figure 9AA further possible embodiment of a communication arrangement is shown schematically, in which a possible embodiment of the intelligent service device 1 is in radio contact with a portable computer device 21 as information carrier 15 and the portable computer device 21, 15 is connected or will be connected to a server 44 via a WLAN router 42 and an internet-based connection 43.

[0179] In Figure 9B A further possible embodiment of a communication arrangement is shown schematically, in which a possible embodiment of the intelligent service device 1 is in radio contact with a portable computer device 21 as information carrier 15 and the portable computer device 21, 15 is or will be connected via a mobile communication connection to a mobile communication mast 45 and an internet-based connection 43 to a server 44.

[0180] In Figure 9CA further possible embodiment of a communication arrangement is shown schematically, in which a possible embodiment of the intelligent service device 1 is in radio contact with a portable computer device 21 as information carrier 15 and the portable computer device 21, 15 is or will be connected by cable to another computer device 47.

[0181] This additional computer device 47 is or will be connected to a server 44 via a wired connection 43 through a router 45 and an internet connection 43. Alternatively, this additional computer device 47 will be connected wirelessly to a server 44 via a WLAN router 44 and an internet connection 43.

[0182] In Figure 10 A possible design form of the intelligent service device 1 and a portable computer device 21 as an information carrier 15 in the center of a communication arrangement are shown.

[0183] The service device 1 is in radio communication with the portable computer device 15, 21. The portable computer device 15, 21 is connected to a server 44 via an internet-based connection 43.

[0184] Air conditioning unit 2 is marked with a machine-readable identifier 48.

[0185] The information carrier 15 is designed in such a way that it can identify the air conditioning system 2 using the machine-readable identifier 48.

[0186] Furthermore, the air conditioning unit 2 has a schematically indicated air conditioning control and / or communication unit 49. The information carrier 15 can communicate wirelessly with this air conditioning control and / or communication unit 49.

[0187] Furthermore, a satellite-based positioning system 50 is shown schematically. Both the air conditioning control and / or communication unit 49 and the information carrier 15 can be connected to this satellite-based positioning system 50 and thus determine their positions.

[0188] Additional computer devices 47 can be connected to the server 44 via internet-based connections 43. The server 44 provides information, such as plant data and measurement logs 51, which can be retrieved and displayed by the computer devices 47. REFERENCE MARK LIST

[0189] 1 Measuring device / service device 2 System (industrial plant / air conditioning / HVAC system) 3 Housing 4 Valve block 5 High pressure / HP connection 6 Low pressure / LP connection 7 Service connection 8 Shut-off valve 9 Internal pressure sensor 10 Electronic control unit 11 Main power storage 12 Data storage 13 Operating unit 14 Radio module 15 Information carrier 16 Wireless temperature sensor 16B Temperature sensor, e.g.17 Wired temperature sensor 18 Wireless pressure sensor 19 Wired pressure sensor 20 Display unit 21 Portable computer 22 Screen 23 Scale 24 Electric switching valve 25 Piping 26 Refrigerant 27 Heat dissipation 28 Compressed gas cylinder 29 Pump 30 Compressor 31 Condenser 32 Expansion valve 33 Evaporator 34 Heat absorption 35 Cable connection 36 Sensor coupling 37 Bulge 38 Temperature sensor head 39 Touch operator input 40 Electrical charging contacts 41 Contactless charging pad 42 WLAN router 43 Internet-based connection 44 Server 45 Cell tower 46 Router 47 Computer 48 Machine-readable marking 49 Air conditioning control and / or communication unit 50 Satellite-based Positioning system 51 Plant data & protocols 52 Connection 53 User account 54 Data record 60 System 61 Print generation device . User

Claims

1. Method for carrying out measurement tasks and for managing measurement data by means of a system (60), comprising - at least one measuring apparatus (1), - at least one information carrier (15) designed as a measuring apparatus-integrated human-machine interface or as a portable computer apparatus with a screen, - at least one cloud server (44) with a cloud application and - at least one user account (53) in the cloud application, wherein the measuring apparatus (1) and / or the information carrier (15) are / is assigned to the user account (53), the measuring apparatus (1) provides measurement data logs containing measurement data received from sensors, which are assigned to the user account (53), the measuring apparatus (1) and / or the information carrier (15) link(s) further data sets with the measurement data logs, a computer apparatus (21) is provided and the computer apparatus (21) or the information carrier (15) is assigned to the user account (53), the measuring apparatus (1) and / or the information carrier (15) exchange(s) measurement data logs and / or further data sets with the computer apparatus (21), wherein there is no data connection to the cloud server (44) or an existing data connection to the cloud server (44) is interrupted during the exchange.

2. Method according to Claim 1, wherein the cloud application additionally links further data sets with the measurement data logs.

3. Method according to Claim 1 or 2, wherein the function carrier (15) or the computer apparatus (21) is assigned to the user account (53), wherein specific storage and analysis functions are activated on the computer apparatus (21) and / or the information carrier (15) only after a link or initial login to a user account (53) on the cloud server (44) has taken place.

4. Method according to any of the preceding claims, wherein during an initial link or during a connection set-up an identification of the measuring apparatus (1) is coupled to an identification of an information carrier (15) or of a computer apparatus (21) and to a user account (53) on the cloud server (44), and wherein for this purpose, as login identifier, an IMEI number, a mobile radio number and / or an email address are / is coupled to a user (B) and a password.

5. Method according to Claim 4, wherein different systems (2) or air-conditioning systems (2) are assignable or assigned to the user account (53), wherein an ID number of a system (2) or air-conditioning system (2) is stored in the user account (53), under which ID number a data set (54) with measurement data of a system (2) or air-conditioning system (2) is storable or stored.

6. Method according to Claim 5, wherein a GPS position, an image, a film or a customer reference is assignable or assigned to the data set (54) of a system (2) or air-conditioning system (2).