阅读说明：本技术 一种具备过滤功能的换热器 (Heat exchanger with filtering function ) 是由 杨充 郭丹蕾 杨方 常少雄 王荣 杨哲 冀雪雁 史佳祥 荆沙 周超凡 张李娟 于 2021-07-06 设计创作，主要内容包括：本发明提出一种具备过滤功能的换热器,包括：第一换热器、第二换热器、第一过滤器和第二过滤器；所述第一换热器的入口和所述第二换热器的入口之间连接有第一三通切换阀,所述第一三通切换阀另一个端口为进液口；所述第一过滤器的入口与所述第一换热器的出口相连接,所述第二过滤器的入口与所述第二换热器的出口相连接,所述第一过滤器的出口和所述第二过滤器的出口之间连接有第二三通切换阀,所述第二三通切换阀的另一个端口为出液口；其中,所述第一三通切换阀和所述第二三通切换阀之间设置有同步切换装置。(The invention provides a heat exchanger with a filtering function, which comprises: the system comprises a first heat exchanger, a second heat exchanger, a first filter and a second filter; a first three-way switching valve is connected between the inlet of the first heat exchanger and the inlet of the second heat exchanger, and the other port of the first three-way switching valve is a liquid inlet; an inlet of the first filter is connected with an outlet of the first heat exchanger, an inlet of the second filter is connected with an outlet of the second heat exchanger, a second three-way switching valve is connected between the outlet of the first filter and the outlet of the second filter, and the other port of the second three-way switching valve is a liquid outlet; wherein a synchronous switching device is arranged between the first three-way switching valve and the second three-way switching valve.)

1. A heat exchanger with a filtering function is characterized by comprising:

the heat exchanger comprises a first heat exchanger (1) and a second heat exchanger (2), wherein a first three-way switching valve (3) is connected between an inlet of the first heat exchanger (1) and an inlet of the second heat exchanger (2), and the other port of the first three-way switching valve (3) is a liquid inlet;

the heat exchanger comprises a first filter (4) and a second filter (5), wherein the inlet of the first filter (4) is connected with the outlet of the first heat exchanger (1), the inlet of the second filter (5) is connected with the outlet of the second heat exchanger (2), a second three-way switching valve (6) is connected between the outlet of the first filter (4) and the outlet of the second filter (5), and the other port of the second three-way switching valve (6) is a liquid outlet;

wherein a synchronous switching device is arranged between the first three-way switching valve (3) and the second three-way switching valve (6).

2. The heat exchanger with the filtering function according to claim 1, wherein the first three-way switching valve (3) and the second three-way switching valve (6) are both manual valves, a synchronous connecting rod (7) is connected between knobs of the first three-way switching valve (3) and the second three-way switching valve (6), and a handle (8) is vertically arranged on the connecting rod (7).

3. The heat exchanger with filtering function according to claim 1, wherein the first heat exchanger (1) and the first filter (4) are of a one-piece structure, and the second heat exchanger (2) and the second filter (5) are of a one-piece structure.

4. The heat exchanger with the filtering function according to claim 3, wherein the first heat exchanger (1) and the second heat exchanger (2) each comprise a cylindrical shell (9), a partition plate (10) is arranged in the cylindrical shell (9), the partition plate (10) divides the cylindrical shell (9) into a heat exchange area and a filtering area, and a connecting port (11) is arranged on the partition plate (10).

5. The heat exchanger with the filtering function according to claim 4, wherein a pipe head (12) is connected to one end of the heat exchange area of the cylindrical shell (9), a medium outlet (13) and a medium inlet (14) are arranged on the pipe head (12), a heat exchange pipe is connected between the medium outlet (13) and the inner end of the medium inlet (14), and a pipe body of the heat exchange pipe is positioned in the heat exchange area.

6. The heat exchanger with a filtering function according to claim 5, wherein the cylindrical housing (9) is provided with a drain valve (15) at a lower side of the cylinder in the heat exchange region thereof and an exhaust valve (16) at an upper side of the cylinder in the heat exchange region thereof.

7. The heat exchanger with filtering function according to claim 4, wherein the first filter (4) or the second filter (5) is arranged in the filtering area of the cylindrical shell (9), and the inlet of the first filter (4) or the second filter (5) is communicated with the inner cavity of the filter element (17) through the connecting port (11).

8. The heat exchanger with filtering function according to claim 3, characterized by further comprising a bracket (18), wherein the two cylindrical housings (9) are fixed in parallel on the bracket (18).

Technical Field

The invention belongs to the field of lubricating systems, and particularly relates to a heat exchanger with a filtering function.

Background

The existing heat exchanger has single function and only has a heat exchange function, and lubricating oil cooled by the heat exchanger needs to be filtered in order to ensure the lubricating effect in a lubricating system. After the cooling function area of the lubricating system connected with the existing filter is connected, the pipeline is complex, the number of valves is increased, the use is inconvenient, and the cost is higher.

Disclosure of Invention

In view of the above, it is an object of the present invention to provide a heat exchanger with a filtering function for overcoming the above problems or at least partially solving or alleviating the above problems.

The invention provides a heat exchanger with a filtering function, which comprises:

the heat exchanger comprises a first heat exchanger and a second heat exchanger, wherein a first three-way switching valve is connected between an inlet of the first heat exchanger and an inlet of the second heat exchanger, and the other port of the first three-way switching valve is a liquid inlet;

the inlet of the first filter is connected with the outlet of the first heat exchanger, the inlet of the second filter is connected with the outlet of the second heat exchanger, a second three-way switching valve is connected between the outlet of the first filter and the outlet of the second filter, and the other port of the second three-way switching valve is a liquid outlet;

wherein a synchronous switching device is arranged between the first three-way switching valve and the second three-way switching valve.

The invention also has the following optional features.

Optionally, the first three-way switching valve and the second three-way switching valve are both manual valves, a synchronous connecting rod is connected between knobs of the first three-way switching valve and the second three-way switching valve, and a handle is vertically arranged on the connecting rod.

Optionally, the first heat exchanger and the first filter are of an integrated structure, and the second heat exchanger and the second filter are of an integrated structure.

Optionally, the first heat exchanger and the second heat exchanger both include a cylindrical shell, a partition is arranged in the cylindrical shell, the partition divides the cylindrical shell into a heat exchange area and a filtering area, and a connection port is arranged on the partition.

Optionally, one end of the heat exchange area of the cylindrical shell is connected with a pipe head, the pipe head is provided with a medium inlet and a medium outlet, a heat exchange pipe is connected between the medium inlet and the inner end of the medium outlet, and a pipe body of the heat exchange pipe is located in the heat exchange area.

Optionally, the cylindrical shell is provided with a drain valve at the lower side of the cylinder body of the heat exchange area, and an exhaust valve at the upper side of the cylinder body of the heat exchange area.

Optionally, the first filter or the second filter is disposed in the filtering area of the cylindrical housing, and an inlet of the first filter or the second filter is communicated with the filter element internal cavity through the connection port.

Optionally, the device further comprises a bracket, and the two cylindrical shells are fixed on the bracket in parallel.

The heat exchanger with the filtering function can filter particles in lubricating oil while cooling the lubricating oil, and is also provided with a standby system, so that the heat exchanger is used for one standby and is convenient to maintain, and the standby system can realize synchronous switching, is convenient to operate and avoids errors.

Drawings

Fig. 1 is a schematic structural view of a heat exchanger with a filtering function according to the present invention.

In the above figures: 1 a first heat exchanger; 2 a second heat exchanger; 3 a first three-way switching valve; 4 a first filter; 5 a second filter; 6 a second three-way switching valve; 7, a synchronous connecting rod; 8, a handle; 9 a cylindrical housing; 10 a partition board; 11, a connecting port; 12, a pipe head; 13 a medium outlet; 14 a media inlet; 15 a drain valve; 16 an exhaust valve; 17 a filter element; 18, a bracket.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Detailed Description

Example 1

Referring to fig. 1, an embodiment of the present invention provides a heat exchanger with a filtering function, including: a first heat exchanger 1, a second heat exchanger 2, a first filter 4 and a second filter 5; a first three-way switching valve 3 is connected between the inlet of the first heat exchanger 1 and the inlet of the second heat exchanger 2, and the other port of the first three-way switching valve 3 is a liquid inlet; an inlet of the first filter 4 is connected with an outlet of the first heat exchanger 1, an inlet of the second filter 5 is connected with an outlet of the second heat exchanger 2, a second three-way switching valve 6 is connected between the outlet of the first filter 4 and the outlet of the second filter 5, and the other port of the second three-way switching valve 6 is a liquid outlet; wherein a synchronous switching device is arranged between the first three-way switching valve 3 and the second three-way switching valve 6.

The first three-way switching valve 3 and the second three-way switching valve 6 are just started to be respectively communicated with the first heat exchanger 1 and the first filter 4, high-temperature lubricating oil in the lubricating system enters the first heat exchanger 1 from a liquid inlet of the first three-way switching valve 3 for heat exchange and temperature reduction, then enters the first filter 4 for filtration, and the filtered lubricating oil flows out of the second three-way switching valve 6 to the lubricating system; when the heat exchanger is used for a period of time and the first heat exchanger 1 or the first filter 4 needs to be maintained, the first three-way switching valve 3 and the second three-way switching valve 6 are switched simultaneously to be respectively connected with the second heat exchanger 2 and the second filter 5, at the moment, high-temperature lubricating oil enters the second heat exchanger 2 from the liquid inlet of the first three-way switching valve 3 for heat exchange and temperature reduction and then enters the second filter 5 for filtering, and the filtered lubricating oil flows out of the second three-way switching valve 6 to the lubricating system. The port switching can be simultaneously carried out between the first three-way switching valve 3 and the second three-way switching valve 6 through a manual or automatic structure, so that misoperation can be avoided.

Example 2

Referring to fig. 1, in addition to embodiment 1, the first three-way switching valve 3 and the second three-way switching valve 6 are both manual valves, a synchronous link 7 is connected between the knobs of the first three-way switching valve 3 and the second three-way switching valve 6, and a handle 8 is vertically arranged on the link 7.

One end of a connecting rod 7 is welded with a main shaft of a knob of the first three-way switching valve 3, the other end of the connecting rod is welded with a main shaft of a knob of the second three-way switching valve 6, and the first three-way switching valve 3 and the second three-way switching valve 6 can be switched simultaneously by rotating a handle 8 on the connecting rod 7.

Example 3

Referring to fig. 1, on the basis of embodiment 1, the first heat exchanger 1 and the first filter 4 are of an integrated structure, and the second heat exchanger 2 and the second filter 5 are of an integrated structure.

First heat exchanger 1 and first filter 4 and second heat exchanger 2 and second filter 5 all adopt the integral type structure, can improve the integrated level, simplify external structure, make things convenient for recognition, dismouting, transport and operation.

Example 4

Referring to fig. 1, on the basis of embodiment 3, each of the first heat exchanger 1 and the second heat exchanger 2 includes a cylindrical shell 9, a partition plate 10 is disposed in the cylindrical shell 9, the partition plate 10 divides the cylindrical shell 9 into a heat exchange region and a filtering region, and a connection port 11 is disposed on the partition plate 10.

The cylindrical shell 9 is divided into a heat exchange area and a filtering area by an internal partition plate 10, and the communication between the first heat exchanger 1 and the first filter 4 or the communication between the second heat exchanger and the second filter 5 is realized by a connecting port 11 on the partition plate 10.

Example 5

Referring to fig. 1, on the basis of embodiment 4, a pipe head 12 is connected to one end of the heat exchange region of the cylindrical shell 9, a medium outlet 13 and a medium inlet 14 are arranged on the pipe head 12, a heat exchange pipe is connected between the medium outlet 13 and the inner end of the medium inlet 14, and a pipe body of the heat exchange pipe is mainly located in the heat exchange region.

The heat exchange tube is generally a U-shaped coil tube structure, a medium outlet 13 and a medium inlet 14 of the heat exchange tube are both fixed on a tube head 12, the tube head 12 is connected at one end of a heat exchange area of the cylindrical shell 9, a tube body of the heat exchange tube extends into the cylindrical shell 9, a cooling medium for cooling lubricating oil enters the heat exchange tube from the medium inlet 14 and then flows out from the medium outlet 13, and the high-temperature lubricating oil in the cylindrical shell 9 is subjected to heat exchange and cooling.

Example 6

Referring to fig. 1, in example 5, the cylindrical shell 9 is provided with a drain valve 15 at the lower side of the cylinder in the heat exchange region thereof and a vent valve 16 at the upper side of the cylinder in the heat exchange region thereof.

When the first heat exchanger 1 or the second heat exchanger 2 needs to be maintained, the lubricating oil in the heat exchange area can be drained after the drain valve 15 and the exhaust valve 16 are opened.

Example 7

Referring to fig. 1, on the basis of embodiment 4, the first filter 4 or the second filter 5 is arranged in the filtering area of the cylindrical shell 9, and the inlet of the first filter 4 or the second filter 5 is communicated with the inner cavity of the filter element 17 through the connecting port 11.

The first filter 4 or the second filter 5 is directly and fixedly arranged in the filtering area of the cylindrical shell 9, and the inlet of the first filter is connected with the filter element 17 arranged on the partition plate 10 through the connecting port 11, so that sundries can be prevented from entering the filtering area of the cylindrical shell 9 when the first heat exchanger 1 and the second heat exchanger 2 are maintained.

Example 8

Referring to fig. 1, on the basis of embodiment 3, a bracket 18 is further included, and two cylindrical housings 9 are fixed on the bracket 18 in parallel.

The support 18 includes two support columns, and two pipe brackets are respectively provided on the two support columns from top to bottom, and the two cylindrical housings 9 are fixed from top to bottom in the transverse direction through the pipe brackets.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The components and structures of the present embodiments that are not described in detail are well known in the art and do not constitute essential structural elements or elements.