COMPRESSOR

Description

[0001] The invention relates to a compressor according to the preamble of patent claim 1.

[0002] A compressor of the type mentioned above is known from document JP 10009685 A. This compressor consists of a compressor housing, a fastening device arranged on the compressor housing, and a support device for a temperature sensor connected to the fastening device, wherein the support device is designed to press the temperature sensor against a wall of the compressor housing. Said fastening device serves, both here and in the inventive solution to be explained below, for vibration-damped fastening of the compressor, for example, to a frame or housing structure of a heat pump. Said temperature sensor serves to detect the temperature of the oil in the compressor.This, i.e. the sensor, is pressed against a wall of the compressor with the aid of the said support device, and this also applies to the solution according to the invention, specifically at the point where the oil collects in the compressor, i.e. in the so-called oil collection area, which, due to gravity, is naturally located at the lower end of the compressor when used as intended.

[0003] The invention is based on the object of improving a compressor of the type mentioned above. In particular, a compressor is to be created in which the arrangement of the temperature sensor, on the one hand, leads to the most accurate measurement results possible and, on the other hand, can be carried out with the greatest possible reproducibility. This means that the assembly process – especially when replacing the temperature sensor – always leads to exactly the same contact results between the wall and the sensor.

[0004] This object is achieved with a compressor of the type mentioned at the outset by the features listed in the characterising part of patent claim 1.

[0005] According to the invention, it is therefore provided that the support device has at least two sections located on different sides of the temperature sensor for multiple connection to the fastening device, wherein the temperature sensor is braced against the compressor housing from below when the compressor is used as intended.

[0006] In other words, the solution according to the invention is characterized by the fact that the support device is not only connected to the fastening device on one side, and thus somewhat undefined, as in the prior art mentioned at the beginning, but is connected to it via at least two sections spaced apart from one another. This results in the temperature sensor being pressed or clamped against the wall of the compressor with a precisely metered preload. Furthermore, as will be discussed in more detail below, it is provided that the temperature sensor is clamped from below against the wall forming the base of the compressor during intended use of the compressor.

[0007] Other advantageous developments of the compressor according to the invention emerge from the dependent patent claims.

[0008] For the sake of completeness, reference is also made to document US 2010 / 0028184 A1, in which the temperature sensor is located at the top of the compressor housing.

[0009] The compressor according to the invention, including its advantageous developments according to the dependent patent claims, is explained in more detail below with reference to the drawings of two exemplary embodiments.

[0010] It shows Figure 1 shows the compressor with a support device according to a first embodiment in side view; Figure 2 shows in perspective the support device of the compressor according to Figure 1 ; Figure 3 the support device of the compressor according to a second embodiment; Figure 4 perspective view of the support device of the compressor according to Figure 3 ;

[0011] The compressor according to the invention consists of a compressor housing 1, a fastening device 2 arranged on the compressor housing 1, a support device 3 for a temperature sensor 4 connected to the fastening device 2, wherein the support device 3 is designed to press the temperature sensor 4 against a wall 1.1 of the compressor housing 1, see Figure 1 .

[0012] It is now essential for the compressor according to the invention that the support device 3 has at least two sections 3.1, 3.2 located on different sides of the temperature sensor 4 for multiple connection to the fastening device 2, wherein the temperature sensor 4 is designed to be clamped against the compressor housing 1 from below when the compressor is used as intended, see Figures 1 to 4 .

[0013] It is preferred that the fastening device 2 is designed in the form of at least two, preferably three, tabs protruding from the compressor housing 1 and arranged distributed over its circumference.

[0014] Furthermore, it is preferred that, during intended use of the compressor, the temperature sensor 4 is clamped from below against the compressor housing 1, preferably against the wall 1.1 forming a base of the compressor, preferably by means of the sections 3.1, 3.2 extending at least partially above the fastening device 2. In this way, the position of the temperature sensor 4 on the compressor housing 1 is well defined and leads to reproducible and comparable measurement results.

[0015] Furthermore, the support device 3 is preferably designed to be suspended from the fastening device 2. It is also preferred that the fastening device 2 be arranged above the temperature sensor 4 during intended use of the compressor. This enables particularly simple installation of the support device 3 on the compressor.

[0016] Furthermore, it is preferred that the carrier device 3 is punched out of a piece of sheet metal and produced by forming, see Figures 1 and 2 Alternatively, it is preferred that the carrier device 3 is made of wire, see Figures 3 and 4 In these cases, the support device can be manufactured particularly simply and cost-effectively without losing its effectiveness.

[0017] In addition, with regard to the construction of the support device 3, it is preferably provided that at least one of the sections 3.1, 3.2 has an opening 3.3 for receiving the fastening device 2 (see Figures 1 to 4 ) and / or that at least one of the sections 3.1, 3.2 is designed as a hook open on one side (see Figures 3 and 4 ). Furthermore, it is preferred that the sections 3.1, 3.2 are designed as free end sections of the support device 3. It is also preferred that the sections 3.1, 3.2 are designed to run horizontally in the contact area with the fastening device 2 during intended use of the compressor. This enables a good hold of the support device 3 on the fastening device 2 and prevents the support device 3 from slipping.

[0018] Furthermore, it is preferred that the temperature sensor 4 be rod-shaped. Furthermore, the temperature sensor 4 is preferably fastened to the support device 3 with a receiving element 5. The receiving element 5 preferably has a receiving slot 5.1 for the temperature sensor 4 that matches the shape of the temperature sensor 4 and is open toward the wall 1.1. The measure that the receiving slot 5.1 is open toward the wall 1.1 enables the temperature sensor 4 to rest directly on the compressor housing 1, i.e., without any gap, which in turn improves temperature measurement. The receiving element 5 is preferably made of a material with a thermal conductivity of less than 0.1 W / (mK), in particular of plastic. See also https: / / de.wikipedia.org / w / index.php?title=W%C3%A4rmeleitf%C3%A4higkeit&oldid=203331633.

[0019] Furthermore, it should be noted that the above requirement that the support device 3 be connected to the fastening device 2 does not only describe compressors in which the support device 3, as shown in the figures, partially rests on the fastening device 2. This also encompasses embodiments in which the support device 3 and the fastening device 2 are connected to one another by a connecting element, such as screws or bolts.

[0020] The compressor according to the invention according to the embodiment from the Figures 1 and 2works as follows: First, the temperature sensor 4 is inserted into the receiving slot 5.1 of the receiving element 5. Then, the carrier device 3, on which the receiving element 5 is located, is pulled with its sections 3.1 and 3.2 over the fastening device 2 such that the tabs of the fastening device 2 come to rest in the openings 3.3 of the carrier device 3 and the temperature sensor 4 touches the wall 1.1 of the compressor housing 1. In this way, the temperature sensor 4 is automatically attached in the correct position on the compressor housing 1 each time the carrier element 4 is installed and can deliver reliable measurement results. Furthermore, this effect is ensured by the use of a carrier element 4 that is simple and cost-effective to manufacture. List of reference symbols

[0021] 1Compressor housing 1.1Wall 2Fastening device 3Support device 3.1Section 3.2Section 3.3Opening 4Temperature sensor 5Receiving element 5.1Receiving slot

Claims

1. A compressor comprising a compressor housing (1), a fastening device (2) arranged on the compressor housing (1), and a support device (3) connected to the fastening device (2) for a temperature sensor (4), wherein the support device (3) is designed to press the temperature sensor (4) against a wall (1.1) of the compressor housing (1), characterized in that the support device (3) has at least two sections (3.1, 3.2) located on different sides of the temperature sensor (4), for repeated connection to the fastening device (2), wherein, when the compressor is used as intended, the temperature sensor (4) is designed to be braced against the compressor housing (1) from below.

2. The compressor according to claim 1, characterized in that the support device (3) is designed to be suspended on the fastening device (2).

3. The compressor according to claim 1 or 2, characterized in that, when the compressor is used as intended, the fastening device (2) is arranged above the temperature sensor (4).

4. The compressor according to one of claims 1 to 3, characterized in that the support device (3) is designed to be stamped from a metal sheet and to be produced by re-shaping.

5. The compressor according to one of claims 1 to 3, characterized in that the support device (3) is designed to be produced from wire.

6. The compressor according to one of claims 1 to 5, characterized in that at least one of the sections (3.1, 3.2) has an opening (3.3) for receiving the fastening device (2).

7. The compressor according to one of claims 1 to 6, characterized in that at least one of the sections (3.1, 3.2) is designed as a hook which is open on one side.

8. The compressor according to one of claims 1 to 7, characterized in that the temperature sensor (4) is designed to be fastened by a receiving element (5) to the support device (3).

9. The compressor according to claim 8, Characterized in that the receiving element (5) has a receiving slot (5.1) for the temperature sensor (4), the receiving slot being adapted to the shape of the temperature sensor (4) and being open toward the wall (1.1).