CN215449077U - Portable ground source heat pump buried pipe heat transfer performance detector - Google Patents

Abstract

The application discloses a movable ground source heat pump buried pipe heat exchange performance detector, which comprises a trolley, a testing frame arranged on the trolley and a detector arranged on the testing frame, wherein the detector comprises a water circulation component and a detection component, the water circulation component comprises a water tank, a water outlet pipe communicated with the water tank, a water pump arranged in the middle of the water outlet pipe and a water return pipe connected to the water tank, a heating wire is arranged in the water tank, one end of the water outlet pipe, far away from the water tank, is communicated with the inlet end of a tested buried pipe, and one end of the water outlet pipe, far away from the water tank, is communicated with the outlet end of the tested buried pipe; the detection component comprises a data processor arranged on the test rack, a water outlet flow meter arranged at the water inlet end of the water outlet pipe, a water inlet temperature sensor arranged on the water outlet pipe, a water return flow meter arranged at the water outlet end of the water return pipe and a water return temperature sensor arranged on the water return pipe. This application has the effect that promotes buried pipe heat transfer performance test efficiency.

Description

Portable ground source heat pump buried pipe heat transfer performance detector

Technical Field

The application relates to the field of ground source heat pump detectors, in particular to a movable ground source heat pump buried pipe heat exchange performance detector.

Background

The ground source heat pump is a device for transferring low-grade heat energy to high-grade heat energy by inputting a small amount of high-grade energy (such as electric energy and the like) from a land shallow layer energy source. Usually, the ground source heat pump consumes 1kwh of energy, and users can obtain heat or cold more than 4 kwh. The ground source heat pump is a heat supply central air conditioning system which takes rock and soil mass, stratum soil, underground water or surface water as a low-temperature heat source and consists of a water ground source heat pump unit, a geothermal energy exchange system and a system in a building.

The buried pipe of the ground source heat pump needs to be subjected to performance detection after construction is completed, most of the currently used ground source heat pump buried pipe heat exchange performance detectors are vehicle-mounted test instruments and comprise a water pump, a water tank, an electric heater, a series of sensors and the like.

Because the position of some buried pipes is comparatively remote, the vehicle of carrying vehicular test instrument can't reach the test position, need be connected the intermediate line between vehicular test instrument and buried pipe in the test process, leads to buried pipe heat transfer performance test's inefficiency.

SUMMERY OF THE UTILITY MODEL

In order to conveniently detect the heat exchange performance of the buried pipe at a remote position and improve the test efficiency of the heat exchange performance of the buried pipe, the application provides the movable detector for the heat exchange performance of the buried pipe of the ground source heat pump.

The application provides a portable ground source heat pump buried pipe heat transfer performance detector adopts following technical scheme:

a heat exchange performance detector of a movable ground source heat pump buried pipe comprises a trolley, a testing frame arranged on the trolley and a detector arranged on the testing frame, wherein the detector comprises a water circulation component and a detection component, the water circulation component comprises a water tank, a water outlet pipe communicated with the water tank, a water pump arranged in the middle of the water outlet pipe and a water return pipe connected to the water tank, a heating wire is arranged in the water tank, one end, far away from the water tank, of the water outlet pipe is communicated with the inlet end of the buried pipe to be tested, and one end, far away from the water tank, of the water return pipe is communicated with the outlet end of the buried pipe to be tested; the detection component comprises a data processor arranged on the test rack, an outlet flow meter arranged at the inlet end of the outlet pipe, an inlet temperature sensor arranged on the outlet pipe, a return water flow meter arranged at the outlet end of the return water pipe and a return water temperature sensor arranged on the return water pipe, wherein the outlet flow meter, the inlet temperature sensor, the return water flow meter and the return water temperature sensor are all electrically connected with the data processor.

By adopting the technical scheme, when the position of the tested buried pipe is remote, the trolley is directly pushed to the detection position, the water outlet pipe is communicated with the inlet end of the tested buried pipe, the water return pipe is communicated with the outlet end of the tested buried pipe, the interior of the tested buried pipe is filled with water firstly, then the water in the water tank is heated by the electric heating wire, at the moment, the water in the water tank is pumped to the tested buried pipe by the water pump and circulates in the tested buried pipe, in the circulating process, the water inlet temperature and the water inlet flow are monitored by the water outlet flow meter and the water inlet temperature sensor, the water return temperature and the water return flow are monitored by the water return flow meter and the water return temperature sensor, all detection data are transmitted to the data processor, the data processor calculates the heat exchange quantity of the tested buried pipe after collecting the data, and is convenient for carrying out the heat exchange test on the buried pipe at the remote position, the purpose of improving the testing efficiency is achieved.

Optionally, a temperature sensor is arranged on one side of the water tank, a controller is further arranged on the test frame, the temperature sensor is electrically connected with the controller, and the electric heating wire is electrically connected with the controller.

Through adopting above-mentioned technical scheme, utilize temperature sensor to monitor the inside temperature of water tank, reach target temperature after, the steerable heating wire stop work of controller reduces the possibility that the inside water of water tank is overheated.

Optionally, the top of water tank sets up the stirring subassembly, the stirring subassembly is including fixed driving motor who sets up on the test jig, (mixing) shaft and the fixed connection stirring vane of stirring epaxial with driving motor's motor shaft coaxial coupling, the vertical setting of (mixing) shaft, the breach that supplies stirring vane to get into the water tank inside is seted up at the top of water tank, stirring vane is located inside the water tank, stirring vane is higher than the heating wire setting.

Through adopting above-mentioned technical scheme, utilize driving motor to drive stirring vane and rotate, stir the water of water tank inside, make the inside water temperature degree of water tank more even, make the inside water temperature degree that gets into the buried pipe more even, promote test data's the degree of accuracy, accelerate the mixing velocity of the inside water of water tank simultaneously, help promoting the efficiency of buried pipe test.

Optionally, the driving motor is electrically connected to the controller, and the driving motor and the heating wire work synchronously.

Through adopting above-mentioned technical scheme, be connected driving motor and controller electricity, when controller control heating wire during operation, control driving motor starts simultaneously, makes the inside temperature of water tank more even.

Optionally, an insertion groove is formed at one end, close to the driving motor, of the stirring shaft, a motor shaft of the driving motor is in insertion fit with the insertion groove, a bolt is connected to one end, close to the driving motor, of the stirring shaft through threads, and the bolt penetrates through the stirring shaft and is in threaded connection with the motor shaft of the driving motor.

Through adopting above-mentioned technical scheme, can dismantle the (mixing) shaft with driving motor's motor shaft and be connected, make things convenient for the installation and the dismantlement of stirring subassembly, but in time change when the (mixing) shaft takes place to damage promotes the convenience that the stirring subassembly used to promote the efficiency of buried pipe test.

Optionally, one side of the water tank is provided with a water replenishing port, and the water replenishing port is in threaded connection with a sealing cover.

Through adopting above-mentioned technical scheme, when the water yield in the water tank is not enough, accessible moisturizing mouth is to the inside moisturizing that carries on of water tank, can dispose the less water tank of volume, reduces the volume of whole detector, makes things convenient for the detector to pass through remote narrow position.

Optionally, an overflow port is arranged below the water replenishing port, and an overflow valve is arranged at the overflow port.

Through adopting above-mentioned technical scheme, when the water yield of water tank inside was too much, can open the overflow valve and put out the water of water tank inside, reduced the possibility that the inside water of water tank spills over.

Optionally, a pull rod is horizontally arranged on one side, far away from the detection assembly, of the trolley, and the pull rod is connected with the trolley through a connecting rod.

Through adopting above-mentioned technical scheme, conveniently utilize the pull rod to drive the shallow and remove, make the convenient removal of detector, promote the convenience of detection.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the detector is arranged on the trolley, when the position of the test buried pipe is remote, the trolley is directly pushed to the detection position, the water circulation component enables water in the water tank to circulate in the tested buried pipe, the data of the sensor is received by the data processor, and the data processor collects the data and then calculates the heat exchange quantity of the test buried pipe, so that the heat exchange performance test of the buried pipe at the remote position is facilitated, and the effect of improving the test efficiency is achieved;

2. through setting up temperature sensor and controller, utilize temperature sensor to monitor the inside temperature of water tank, reach target temperature after, the steerable heating wire stop work of controller reduces the possibility that the inside water of water tank is overheated.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic diagram showing the structure of the stirring assembly in the embodiment of the present application.

Fig. 3 is a schematic diagram showing a mounting position of the controller in the embodiment of the present application.

Description of reference numerals:

01. a buried pipe; 1. pushing a cart; 11. a pull rod; 12. a connecting rod; 2. a test jig; 3. a detector; 4. a water circulation assembly; 41. a water tank; 411. a notch; 412. a water replenishing port; 413. a sealing cover; 414. an overflow port; 415. an overflow valve; 42. a water outlet pipe; 43. a water pump; 44. a water return pipe; 5. a detection component; 51. a data processor; 52. a water outlet flow meter; 53. an inlet water temperature sensor; 54. a backwater flowmeter; 55. a backwater temperature sensor; 6. an electric heating wire; 7. a temperature measuring sensor; 71. a controller; 8. a stirring assembly; 81. a drive motor; 82. a stirring shaft; 821. inserting grooves; 822. a bolt; 83. a stirring blade.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a heat exchange performance detector of a movable ground source heat pump buried pipe. Referring to fig. 1, the movable ground source heat pump buried pipe heat exchange performance detector comprises a cart 1, a test frame 2 and a detector 3, wherein the test frame 2 is fixedly arranged on the cart 1, the detector 3 is fixedly arranged on the test frame 2, a pull rod 11 is arranged on one side of the cart 1, the pull rod 11 is horizontally arranged, and the pull rod 11 is fixedly connected with the cart 1 through two connecting rods 12. When testing buried pipe 01 to remote position, can directly with shallow 1 propelling movement to detection position, then utilize detector 3 to test buried pipe 01's heat transfer performance, promote the efficiency to buried pipe 01 heat transfer performance test.

Referring to fig. 1, the detector 3 includes a water circulation component 4 and a detection component 5, the water circulation component 4 includes a water tank 41, a water outlet pipe 42, a water pump 43, and a water return pipe 44, the water tank 41 is fixedly disposed on the test jig 2, one end of the water outlet pipe 42 is communicated with the water tank 41, the other end is used for communicating with an inlet end of the buried pipe 01 to be tested, the water pump 43 is disposed in the middle of the water outlet pipe 42, the water pump 43 is fixedly connected with the test jig 2, one end of the water return pipe 44 is communicated with the water tank 41, and the other end is used for communicating with an outlet end of the buried pipe 01 to be tested.

Referring to fig. 1 and 2, a heating wire 6 is further disposed inside the water tank 41, the heating wire 6 is disposed at a position close to the bottom of the water tank 41, the water inside the water tank 41 is heated by the heating wire 6, and then the water inside the water tank 41 is pressurized by the water pump 43, so that the water inside the water tank 41 circulates inside the buried pipe 01 to be tested.

Referring to fig. 1, the detection assembly 5 includes a data processor 51, an outlet flow meter 52, an inlet temperature sensor 53, a return flow meter 54 and a return temperature sensor 55, the data processor 51 is fixedly disposed on the test rack 2, the outlet flow meter 52 is disposed at the inlet end of the outlet pipe 42, the inlet temperature sensor 53 is disposed in the middle of the outlet pipe 42, the return flow meter 54 is disposed at the outlet end of the return pipe 44, and the return temperature sensor 55 is disposed in the middle of the return pipe 44. The water outlet flow meter 52, the water inlet temperature sensor 53, the water return flow meter 54 and the water return temperature sensor 55 are all electrically connected with the data processor 51.

Referring to fig. 1, the water quantity and the water temperature entering the buried pipe 01 to be tested are monitored by using a water outlet flow meter 52 and a water inlet temperature sensor 53, the water quantity and the water temperature flowing out of the buried pipe 01 to be tested are monitored by using a water return flow meter 54 and a water return temperature sensor 55, monitored data are transmitted to a data processor 51, the data processor 51 calculates the heat exchange quantity of the buried pipe 01 to be tested after collecting the data, and the effect of detecting the heat exchange performance of the buried pipe 01 is achieved.

Referring to fig. 1 and 3, because the heat exchange performance of the buried pipe 01 needs to be tested at different water temperatures, the water temperature inside the water tank 41 needs to be monitored, a temperature measuring sensor 7 is fixedly arranged on one side of the water tank 41, a probe of the temperature measuring sensor 7 is positioned inside the water tank 41, a controller 71 is fixedly connected to the test jig 2, the temperature measuring sensor 7 is electrically connected with the controller 71, the electric heating wire 6 is also electrically connected with the controller 71, the temperature inside the water tank 41 is monitored by the temperature measuring sensor 7, a water temperature signal is transmitted to the controller 71, the controller 71 is used for controlling the start and stop of the electric heating wire 6, and the buried pipe 01 is further conveniently tested.

Referring to fig. 2 and 3, in order to make the water temperature inside the water tank 41 more uniform, the stirring assembly 8 is disposed above the water tank 41, the stirring assembly 8 includes a driving motor 81, a stirring shaft 82 and a stirring blade 83, the driving motor 81 is located above the water tank 41, the driving motor 81 is fixedly connected to the test rack 2, and the driving motor 81 is electrically connected to the controller 71. The stirring shaft 82 is vertically arranged, the top end of the stirring shaft 82 is provided with an insertion groove 821, a motor shaft of the driving motor 81 is in insertion fit with the insertion groove 821, the outer wall of the top end of the stirring shaft 82 is connected with a bolt 822 in a threaded mode, and the bolt 822 penetrates through the stirring shaft 82 and is in threaded connection with the motor shaft of the driving motor 81, so that detachable connection of the stirring shaft 82 and the motor shaft of the driving motor 81 is achieved.

Referring to fig. 1 and 2, a notch 411 is formed in the top of the water tank 41, the bottom end of the stirring shaft 82 passes through the notch 411 and extends into the water tank 41, the stirring blade 83 is fixedly connected to the bottom end of the stirring shaft 82, and the stirring blade 83 is higher than the heating wire 6.

Referring to fig. 2 and 3, when the heating wire 6 is operated, the controller 71 controls the driving motor 81 to synchronously drive the driving motor 81 to operate, so as to stir water in the water tank 41, thereby making the temperature of the water in the water tank 41 more uniform.

Referring to fig. 1 and 3, in order to facilitate water supply to the inside of the water tank 41, a water supply port 412 is integrally formed at a side of the water tank 41 away from the water outlet pipe 42, the water supply port 412 is communicated with the inside of the water tank 41, a sealing cover 413 is screwed to the water supply port 412, and when the water supply port 412 is not used, the water supply port 412 is conveniently sealed. An overflow port 414 is further arranged below the water replenishing port 412, an overflow valve 415 is arranged at the overflow port 414, when the water amount in the water tank 41 is excessive, the water in the water tank 41 can be discharged conveniently, the quality of the detector 3 can be reduced through water discharging under the condition of facilitating water replenishing, and the detector 3 can be moved more conveniently.

The implementation principle of the mobile ground source heat pump buried pipe heat exchange performance detector in the embodiment of the application is as follows: when the position of the buried pipe 01 to be tested is remote, the cart 1 is directly pushed to the position near the buried pipe 01 to be tested, the water outlet pipe 42 is communicated with the inlet end of the buried pipe 01 to be tested, the water return pipe 44 is communicated with the outlet end of the buried pipe 01 to be tested, then the buried pipe 01 to be tested is filled with water, the water in the water tank 41 is heated by the electric heating wire 6, and the water in the water tank 41 is stirred by the stirring component 8.

When the water temperature in the water tank 41 reaches a set temperature, the water in the water outlet pipe 42 is pressurized by the water pump 43, so that the water circulates in the buried pipe 01 to be tested, in the circulating process, the water inlet temperature and the water inlet flow are monitored by the water outlet flow meter 52 and the water inlet temperature sensor 53, the water return temperature and the water return flow are monitored by the water return flow meter 54 and the water return temperature sensor 55, all detection data are transmitted to the data processor 51, and the data processor 51 calculates the heat exchange quantity of the buried pipe 01 to be tested after collecting the data.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a portable ground source heat pump buried pipe heat transfer performance detector which characterized in that: the device comprises a cart (1), a testing frame (2) arranged on the cart (1) and a detector (3) arranged on the testing frame (2), wherein the detector (3) comprises a water circulation component (4) and a detection component (5), the water circulation component (4) comprises a water tank (41), a water outlet pipe (42) communicated with the water tank (41), a water pump (43) arranged in the middle of the water outlet pipe (42) and a water return pipe (44) connected to the water tank (41), an electric heating wire (6) is arranged in the water tank (41), one end, far away from the water tank (41), of the water outlet pipe (42) is communicated with an inlet end of a tested buried pipe (01), and one end, far away from the water tank (41), of the water return pipe (44) is communicated with an outlet end of the tested buried pipe (01);

the detection assembly (5) comprises a data processor (51) arranged on the test frame (2), an outlet flow meter (52) arranged at the water inlet end of the water outlet pipe (42), an inlet water temperature sensor (53) arranged on the water outlet pipe (42), a return water flow meter (54) arranged at the water outlet end of the return water pipe (44) and a return water temperature sensor (55) arranged on the return water pipe (44), wherein the outlet water flow meter (52), the inlet water temperature sensor (53), the return water flow meter (54) and the return water temperature sensor (55) are all electrically connected with the data processor (51).

2. The detector of claim 1, wherein the detector comprises: the temperature measuring device is characterized in that a temperature measuring sensor (7) is arranged on one side of the water tank (41), a controller (71) is further arranged on the test frame (2), the temperature measuring sensor (7) is electrically connected with the controller (71), and the electric heating wire (6) is electrically connected with the controller (71).

3. The detector of claim 2, wherein the detector comprises: the top of water tank (41) sets up stirring subassembly (8), stirring subassembly (8) including fixed driving motor (81) that sets up on test jig (2), with motor shaft coaxial coupling's (mixing) shaft (82) and fixed connection stirring vane (83) on (mixing) shaft (82) of driving motor (81), the vertical setting of (mixing) shaft (82), breach (411) that supply stirring vane (83) to get into water tank (41) inside are seted up at the top of water tank (41), stirring vane (83) are located inside water tank (41), stirring vane (83) are higher than heating wire (6) setting.

4. The detector of claim 3, wherein the detector comprises: the driving motor (81) is electrically connected with the controller (71), and the driving motor (81) and the electric heating wire (6) work synchronously.

5. The detector of claim 3, wherein the detector comprises: the utility model discloses a motor, including (mixing) shaft (82), driving motor (81), bolt (822), the motor shaft of driving motor (81) and inserting groove (821) cooperation of pegging graft, the (mixing) shaft (82) is close to the one end threaded connection of driving motor (81) and has bolt (822), bolt (822) pass the motor shaft threaded connection of (mixing) shaft (82) and driving motor (81).

6. The detector of claim 1, wherein the detector comprises: a water replenishing opening (412) is formed in one side of the water tank (41), and a sealing cover (413) is connected to the water replenishing opening (412) in a threaded mode.

7. The detector of claim 6, wherein the detector comprises: an overflow port (414) is arranged below the water replenishing port (412), and an overflow valve (415) is arranged at the overflow port (414).

8. The detector of claim 1, wherein the detector comprises: one side of the cart (1) far away from the detection assembly (5) is horizontally provided with a pull rod (11), and the pull rod (11) is connected with the cart (1) through a connecting rod (12).

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