Heat pump adjustment device and adjustment method

Abstract

The application discloses a heat pump adjusting device and adjusting method, comprising: a heat pump body, the heat pump body is provided with a water inlet; a switching device, the switching device comprises a rotating disc, the rotating disc is rotatably arranged in the heat pump body, a plurality of mounting holes are arranged on the switching device, and the rotating disc is operatively aligned with the mounting holes and the water inlet; a filter screen is installed in the mounting hole. The heat pump adjusting device and adjusting method provided by the application, when the current filter screen is seriously blocked, the rotating disc drives the mounting hole to rotate by a certain angle, and then the unblocked filter screen in the other mounting hole is aligned with the water inlet, the flow efficiency of the heat pump is improved, and the effect of improving the heat pump efficiency is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of central heating, in particular to a heat pump adjusting device and adjusting method. BACKGROUND

[0002] At present, China's coal industry has realized sustained and stable development. The increasing demand for coal due to industrial development and population growth has made the proportion of key contract coal for thermal power enterprises unable to meet social demand. Some thermal power plant enterprises have turned their attention to market coal and low-quality coal, and the proportion of market coal and low-quality coal has been increasing, making the source of coal raw materials for thermal power plants relatively complex, with varying qualities. It is necessary to strengthen the analysis of the calorific value of incoming coal to effectively analyze the utilization of coal.

[0003] During the coal testing process, the operation method of the operator and the accuracy of the equipment are particularly important. If there are problems with the operation method or errors in the system of the equipment itself, it will cause the calorific value to deviate.

[0004] Incoming coal quality detection data is an important basis for settlement, and higher requirements are placed on coal quality analysis quality. Therefore, strengthening the control of coal quality analysis by incoming coal laboratories and stabilizing the level of coal quality analysis have become the focus of self-improvement for incoming coal detection laboratories. Incoming coal testing laboratories are important reference indicators for acceptance and settlement in Qihuo Company, and are of great significance.

[0005] However, the current heat pump often encounters a slow heat increase during use, but the heat pump filter screen is often blocked. Increasing the water flow rate of the heat pump still cannot effectively improve the heat increase efficiency of the heat pump, so increasing the water flow rate and increasing the smoothness rate are means to improve the efficiency of the heat pump. SUMMARY

[0006] The present application provides a heat pump adjusting device and adjusting method, which solves the technical problem of heat pump filter screen blockage affecting heat pump efficiency in the prior art.

[0007] The present application provides a heat pump adjusting device, comprising:

[0008] A heat pump body is provided with a water inlet;

[0009] A switching device is provided, comprising a rotating disc, which is rotatably arranged inside the heat pump body. A plurality of mounting holes are provided on the switching device, and the rotating disc is operable to align the mounting holes with the water inlet;

[0010] A filter screen is installed in the mounting hole.

[0011] In some embodiments, the switching device further comprises a driving motor, a first gear and a second gear arranged outside the heat pump body, the first gear is fixedly arranged on the rotating shaft of the rotating disc, the driving motor is located outside the heat pump body and is fixed, the second gear is connected with the output shaft of the driving motor, and the first gear is engaged with the second gear.

[0012] In some embodiments, the driving motor is a stepping motor.

[0013] In some embodiments, a first pressure sensor and a second pressure sensor are fixedly arranged on the heat pump body, and the first pressure sensor and the second pressure sensor are located on both sides of the rotating disc.

[0014] In some embodiments, a first sliding sleeve is slidingly arranged in the mounting hole, the filter screen is arranged in the first sliding sleeve, and a snap ring is arranged on the filter screen and located between the first sliding sleeve and the water inlet of the heat pump body.

[0015] In some embodiments, a second sliding sleeve is arranged in the water inlet, the second sliding sleeve is operable to move towards the inside of the heat pump body, and the snap ring is clamped between the first sliding sleeve and the second sliding sleeve.

[0016] In some embodiments, the second sliding sleeve is threadedly connected with the water inlet.

[0017] In some embodiments, the end of the second sliding sleeve is beveled, a hydraulic cylinder is arranged at one end of the mounting hole away from the water inlet, a cavity is arranged in the rotating disc, hydraulic oil is added in the cavity, an extension rod is arranged on the end face of the rotating disc corresponding to the water inlet, the hydraulic cylinder and the extension rod are in communication with the cavity, a pressing block is fixedly arranged at the end of the extension rod, and the pressing block is operable to be pressed against the outer end face of the second sliding sleeve.

[0018] In some embodiments, a sealing ring is fixedly arranged on the inner wall of the heat pump body corresponding to the position of the mounting hole at the non-water inlet, and the size of the sealing ring is greater than the size of the mounting hole.

[0019] A heat pump adjusting method, using the adjusting device of any one of the above technical solutions, the pressures detected by the first pressure sensor and the second pressure sensor on the heat pump body are different.

[0020] The driving motor drives the rotating disc to rotate by a certain angle, so that the mounting hole is switched and aligned with the water inlet.

[0021] The second sliding sleeve is twisted, the second sliding sleeve presses the snap ring and drives the first sliding sleeve, the first sliding sleeve compresses the hydraulic cylinder, and the extension rod pushes the pressing block to the outer end face of the second sliding sleeve.

[0022] The application has the following advantages:

[0023] The heat pump adjusting device and adjusting method provided by the application can rotate the installation hole by a certain angle through the rotating disc when the current filter screen is seriously blocked, and then align the unblocked filter screen in the other installation hole with the water inlet, thereby improving the flow efficiency of the heat pump and achieving the effect of improving the heat pump efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application.

[0025] Figure 1 A sectional view of the adjusting device provided by the application;

[0026] Figure 2 A sectional view of the switching device in the adjusting device provided by the application;

[0027] Figure 3 A schematic view of the inner wall structure of the heat pump body in the adjusting device provided by the application.

[0028] Wherein, 10-heat pump body; 11-water inlet; 111-second sliding sleeve; 12-sealing ring;

[0029] 20-switching device; 21-rotating disc; 22-installation hole; 221-first sliding sleeve; 222-clamp ring; 223-hydraulic cylinder; 224-cavity; 225-telescopic rod; 226-pressing block; 23-driving motor; 231-first gear; 232-second gear. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0031] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture (as shown in the drawings), and if the certain posture changes, the directional indications will also change accordingly.

[0032] In addition, the descriptions involving "first", "second", etc. in the present application are only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the same or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the protection scope required by the present application.

[0033] The embodiment of the present application provides a heat pump adjusting device and an adjusting method, which solves the technical problem of heat pump filter screen blockage affecting heat pump efficiency in the prior art.

[0034] The technical solution in the embodiment of the present application is to solve the above technical problem, and the general idea is as follows:

[0035] As shown in Figure 1 , Figure 2 The present application provides a heat pump adjusting device, comprising:

[0036] A heat pump body 10, the heat pump body 10 is provided with a water inlet 11;

[0037] A switching device 20, the switching device 20 comprises a rotating disc 21, the rotating disc 21 is rotatably arranged in the heat pump body 10, a plurality of mounting holes 22 are arranged on the switching device 20, and the rotating disc 21 is operable to align the mounting hole 22 with the water inlet 11;

[0038] A filter screen, the filter screen is installed in the mounting hole 22.

[0039] When the current filter screen is seriously blocked, the rotating disc 21 drives the mounting hole 22 to rotate by a certain angle, and then the unblocked filter screen in other mounting holes 22 is aligned with the water inlet 11, the flow efficiency of the heat pump is improved, and the effect of improving the heat pump efficiency is realized.

[0040] In order to better understand the above technical solution, the above technical solution will be described in detail in combination with the description of the drawings and the specific embodiments.

[0041] Further, as shown in Figure 1 , Figure 2As shown, the switching device 20 further comprises a driving motor 23, a first gear 231 and a second gear 232 arranged outside the heat pump body 10, the driving motor 23 is a step motor in this embodiment, the first gear 231 is fixedly arranged on the rotating shaft of the rotating disc 21, the driving motor 23 is located outside the heat pump body 10 and is fixed, the second gear 232 is connected with the output shaft of the driving motor 23, and the first gear 231 is engaged with the second gear 232.

[0042] The driving motor 23 drives the rotating disc 21 to rotate by a certain angle through the first gear 231 and the second gear 232, in this embodiment, the mounting hole 22 is 4, and the rotating disc 21 rotates by 90° each time, when the filter screen corresponding to the current water inlet 11 is blocked, the rotating disc 21 rotates by 90°, so that the new filter screen is aligned with the water inlet 11, thereby reducing the frequency of replacing the filter screen during shutdown, and improving the heating efficiency of the heat pump.

[0043] Further, the first pressure sensor and the second pressure sensor are fixedly arranged on the heat pump body 10 and located on both sides of the rotating disc 21.

[0044] When the first pressure sensor and the second pressure sensor detect that the pressure difference on both sides of the rotating disc 21 is too large, it is judged that the filter screen is blocked, and then the rotating disc 21 is driven to rotate to switch the filter screen.

[0045] Preferably, as shown in the drawings, Figure 2 The first sliding sleeve 221 is slidably arranged in the mounting hole 22, the filter screen is arranged in the first sliding sleeve 221, the snap ring 222 is arranged on the filter screen, and the snap ring 222 is located between the first sliding sleeve 221 and the water inlet 11 of the heat pump body 10.

[0046] The second sliding sleeve 111 is arranged in the water inlet 11 and is operable to move to the inside of the heat pump body 10, the snap ring 222 is clamped between the first sliding sleeve 221 and the second sliding sleeve 111, and the second sliding sleeve 111 is threadedly connected with the water inlet 11.

[0047] The end surface of the second sliding sleeve 111 is inclined, the hydraulic cylinder 223 is arranged at one end of the mounting hole 22 away from the water inlet 11, the rotating disc 21 is provided with a cavity 224, hydraulic oil is added in the cavity 224, the end surface of the rotating disc 21 corresponding to the water inlet 11 is provided with an extension rod 225, the hydraulic cylinder 223 and the extension rod 225 are in communication with the cavity 224, and the end of the extension rod 225 is fixedly provided with a pressing block 226 which is operable to be pressed against the outer end surface of the second sliding sleeve 111.

[0048] Before switching the filter screen, first unscrew the second sleeve 111, the pressing block 226 is separated from the end of the second sleeve 111, the second sleeve 111 is separated from the rotating disc 21, the hydraulic cylinder 223 is a self-resetting hydraulic cylinder, the self-resetting hydraulic cylinder is a product, the specific structure of the self-resetting hydraulic cylinder is not introduced here, after the rotating disc 21 is rotated to the next filter screen aligns with the water inlet 11, the second sleeve 111 is tightened, the first sleeve 221 is pressed downward by the second sleeve 111, and then the hydraulic cylinder 223 pushes out the telescopic rod 225, the pressing block 226 is pressed on the end of the second sleeve 111, preventing the filter screen from rotating during use, and improving the sealing effect between the first sleeve 221, the snap ring 222 and the second sleeve 111 to prevent dirt from overflowing between the first sleeve 221, the snap ring 222 and the second sleeve 111.

[0049] Alternatively, as shown in Figure 3 The inner wall of the heat pump body 10 is provided with a sealing ring 12 at the position of the mounting hole 22 corresponding to the non-water inlet 11, and the size of the sealing ring 12 is greater than the size of the mounting hole 22.

[0050] When the rotating disc 21 is rotated, the filter screen containing dirt is turned out of the water inlet 11, the mounting hole 22 is sealed with the inner wall of the heat pump body 10 by the sealing ring 12, preventing the dirt in the filter screen from overflowing between the rotating disc 21 and the inner wall of the heat pump body 10, and preventing the dirt from affecting the service life of the heat pump.

[0051] A heat pump adjusting method, using the adjusting device of any one of the above technical solutions, the first pressure sensor and the second pressure sensor on the heat pump body 10 detect different pressures;

[0052] The driving motor 23 drives the rotating disc 21 to rotate by a certain angle, so that the mounting hole 22 is switched and aligned with the water inlet 11;

[0053] The second sleeve 111 is twisted, the second sleeve 111 presses the snap ring 222 and moves the first sleeve 221, the first sleeve 221 compresses the hydraulic cylinder 223, and the telescopic rod 225 pushes the pressing block 226 to the outer end face of the second sleeve 111.

[0054] By regularly detecting the pressure difference between the first pressure sensor and the second pressure sensor, the clogging of the filter screen can be accurately measured, and when the current filter screen is detected to be clogged, the heat pump does not need to be stopped and disassembled, the rotating disc 21 is rotated to replace the filter screen, and the filter screen containing dirt is sealed with the inner wall of the heat pump body 10 to prevent the dirt from polluting the heat pump, thereby prolonging the heating time, reducing heat loss, and improving the efficiency of the heat pump.

[0055] While the preferred embodiments of the application have been described, additional variations and modifications can be made to these embodiments by those skilled in the art once they have the benefit of the present disclosure without departing from the spirit and scope of the application. Accordingly, it is intended that the appended claims include all such modifications and variations as fall within the scope of the present application.

[0056] It is apparent that those skilled in the art can make various changes and modifications to the application without departing from the spirit and scope of the application. It is therefore intended that the present application cover all such changes and modifications that are within its scope.

Claims

1. A heat pump adjustment device, characterized in that, include: The heat pump body is provided with a water inlet; A switching device, comprising a rotating disk rotatably disposed inside the heat pump body, wherein the switching device is provided with a plurality of mounting holes, and the rotating disk operablely aligns the mounting holes with the water inlet. The filter screen is installed in the mounting hole; A first sliding sleeve is slidably disposed in the mounting hole, the filter screen is disposed in the first sliding sleeve, and a retaining ring is disposed on the filter screen, the retaining ring being located between the first sliding sleeve and the water inlet of the heat pump body; A second sliding sleeve is provided in the water inlet, and the second sliding sleeve can be operably moved into the heat pump body. The retaining ring is clamped between the first sliding sleeve and the second sliding sleeve. The second sliding sleeve is threadedly connected to the water inlet; The outer side of the second sliding sleeve end is inclined. A hydraulic cylinder is provided at the end of the mounting hole away from the water inlet. A cavity is provided inside the rotating disk, and hydraulic oil is added to the cavity. A telescopic rod is provided on the end face of the rotating disk corresponding to the water inlet. The hydraulic cylinder and the telescopic rod are both connected to the cavity. A pressure block is fixedly provided at the end of the telescopic rod, and the pressure block is operably pressed against the outer end face of the second sliding sleeve.

2. The heat pump adjustment device as described in claim 1, characterized in that, The switching device further includes a drive motor, a first gear, and a second gear disposed outside the heat pump body. The first gear is fixedly disposed on the rotating shaft of the rotating disk. The drive motor is located outside the heat pump body and is fixed. The second gear is connected to the output shaft of the drive motor. The first gear meshes with the second gear.

3. The heat pump adjustment device as described in claim 2, characterized in that, The drive motor is a stepper motor.

4. The heat pump adjustment device as described in claim 1, characterized in that, A first pressure sensor and a second pressure sensor are fixedly installed on the heat pump body, and the first pressure sensor and the second pressure sensor are located on both sides of the rotating disk.

5. The heat pump adjustment device as described in claim 1, characterized in that, A sealing ring is fixedly installed on the inner wall of the heat pump body at the mounting hole position corresponding to the non-inlet position, and the size of the sealing ring is larger than the size of the mounting hole.

6. A method for adjusting a heat pump, characterized in that, Using the adjustment device according to any one of claims 1-5, the pressures detected by the first pressure sensor and the second pressure sensor on the heat pump body are different; The drive motor drives the rotating disk to rotate at a certain angle, so that the mounting hole switches and aligns with the water inlet; Tighten the second sliding sleeve, and the second sliding sleeve presses against the retaining ring and presses the first sliding sleeve. The first sliding sleeve compresses the hydraulic cylinder, and the telescopic rod pushes the pressure block onto the outer end face of the second sliding sleeve.

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