CN210981591U - Anti-blocking heat meter - Google Patents

Abstract

The utility model provides a prevent blockking up calorimeter includes that two are used for measuring the first buret of surveying of velocity of flow and second survey buret, first buret of surveying and second survey buret and pass through first Y type splice box second Y type articulate, first Y type connects and sets up first selection valve and second selection valve on the second Y type connects respectively, through first selection valve and second selection valve cooperation will first buret of surveying perhaps the second surveys the buret and inserts in heat exchange system. When the first measuring pipe is blocked, the second measuring pipe is connected into a heat exchange system, the first measuring pipe is isolated, the second measuring pipe is used for measuring, and the first measuring pipe is cleaned by matching a water inlet joint and a drain outlet corresponding to the first measuring pipe with a high-pressure water gun; when the second surveyed the buret and blockked up, utilize first survey buret comes to measure, washs the second survey buret to avoid the calorimeter to block up and cause the influence to life production.

Description

Anti-blocking heat meter

Technical Field

The utility model relates to a calorimeter field especially relates to a prevent blockking up calorimeter.

Background

The heat meter is a measuring instrument for measuring and displaying the heat released by the heat-carrying liquid in the heat exchange loop. The heat exchanger generally comprises an independent flow sensor, a temperature sensor and a single chip microcomputer, wherein the temperature sensor is generally used for measuring the volume of heat-carrying liquid flowing through a heat exchange system, the temperature difference of the liquid is measured by using the temperature sensors arranged at the liquid inlet end and the liquid outlet end of the heat exchange system, and the single chip microcomputer calculates the heat acquired by the heat exchange system according to the specific heat capacity of the heat-carrying liquid by using a heat formula.

In the prior art, a heat supply system supplies heat through water, the water treatment link of the heat supply system in China is weak, the water quality is poor, and the water is easy to generate scale under the heating condition; in addition, the equipment of the heating system is aged, and impurities such as formed metal rust fall off and enter the heating system, so that the heat meter in the heating system is easily blocked, and the measurement is inaccurate. The filter screen is generally added in the pipeline to filter impurities in the conventional heat meter, and some impurities can be attached to the filter screen, so that the pipeline is more easily blocked.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a prevent blockking up calorimeter.

The utility model provides an anti-blocking heat meter, which comprises a meter body, wherein,

a first measuring pipe and a second measuring pipe are inserted into the meter body, a pair of transducers is arranged on the first measuring pipe, the other pair of transducers is arranged on the second measuring pipe, and the two pairs of transducers are respectively arranged oppositely;

one end of each of the first measuring pipe and the second measuring pipe is connected with a first Y-shaped joint, a first selection valve is arranged on each first Y-shaped joint, and two water inlet joints are respectively arranged at two shoulders of each first Y-shaped joint;

the other ends of the first measuring pipe and the second measuring pipe are connected with a second Y-shaped joint, a second selection valve is arranged on the second Y-shaped joint, two drain outlets are respectively arranged at two shoulders of the second Y-shaped joint, and a first temperature sensor is arranged in the second Y-shaped joint;

a single chip microcomputer is arranged in the meter body and connected with a rechargeable battery, the single chip microcomputer is electrically connected with the two pairs of transducers, and the single chip microcomputer is electrically connected with the first temperature sensor;

the anti-blocking heat meter further comprises a third measuring pipe, wherein a second temperature sensor is arranged in the third measuring pipe, and the second temperature sensor is electrically connected with the single chip microcomputer.

Preferably, two change over switches of singlechip electric connection, two change over switches control respectively transducer connects transmitting circuit or receiving circuit, transmitting circuit does the transducer energy supply is in order to send the ultrasonic wave, receiving circuit receive by the signal of telecommunication that the transducer conversion ultrasonic wave produced, receiving circuit electric connection amplifier circuit, amplifier circuit electric connection digital analog converter, digital analog converter electric connection counter, counter electric connection the singlechip.

Preferably, the single chip microcomputer is provided with a clock circuit and a data memory.

Preferably, the single chip microcomputer is electrically connected with a display and input equipment, and the display and the input equipment are arranged on the watch body.

Preferably, the second temperature sensor is electrically connected with the secondary single chip microcomputer, and the single chip microcomputer and the secondary single chip microcomputer are respectively connected with the wireless modules which are connected in a matched mode.

Preferably, the first selector valve and the second selector valve are ball valves.

Preferably, the ends of the first Y-shaped joint and the second Y-shaped joint are provided with flanges for convenient connection.

Preferably, two of the sewage draining outlets are respectively detachably connected with a sealing plug.

Preferably, the two water inlet joints are detachably screwed with plugs, the water inlet joints are provided with joints in a matching way, and the joints are connected with a high-pressure water gun through pipelines.

Compared with the prior art, the utility model provides a prevent blockking up calorimeter has following beneficial effect:

the utility model provides a prevent blockking up calorimeter is provided with two first survey burets and the second survey buret that measure the velocity of flow and use, through first selection valve and the selective of second selection valve with first survey buret and second survey buret insert to the heat exchange system, when first survey buret blocks up, insert the second survey buret into the heat exchange system, will first survey buret keep apart, utilize the second survey buret to measure, through corresponding the water supply connector and the drain cooperation high pressure squirt of first survey buret wash first survey buret; when the second surveyed the buret and blockked up, utilize first survey buret comes to measure, washs the second survey buret to avoid the calorimeter to block up and cause the influence to life production.

Drawings

Fig. 1 is a schematic structural view of a preferred embodiment of an anti-clogging heat meter according to the present invention, which is located at a water inlet end;

fig. 2 is a schematic structural diagram of a preferred embodiment of the anti-clogging heat meter provided by the present invention, which is located at the return water end;

FIG. 3 is a sectional view of the internal structure of FIG. 1;

FIG. 4 is an enlarged schematic view of the structure shown in FIG. 3 at the dotted line A;

FIG. 5 is a schematic view of the interior of FIG. 2;

fig. 6 is a control connection relation diagram of the blockage relieving heat meter provided by the utility model.

Reference numbers in the figures: 1. the meter body, 2, first survey buret, 3, first Y type connect, 31, first selection valve, 32, water supply connector, 4, second survey buret, 5, third survey buret, 6, second Y type connect, 61, second selection valve, 62, drain, 7, transducer, 8, singlechip, 9, first temperature sensor, 10, second temperature sensor.

In the figure, the letter "d" represents the inner diameter of the first measuring tube or the second measuring tube, and the letter "α" represents the angle between the line connecting the paired transducers and the axis of the first measuring tube or the paired transducers and the axis of the second measuring tube.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6 in combination, in which fig. 1 is a schematic structural diagram of a preferred embodiment of the anti-blocking heat meter according to the present invention, the preferred embodiment being located at a water inlet end; fig. 2 is a schematic structural diagram of a preferred embodiment of the anti-clogging heat meter provided by the present invention, which is located at the return water end; FIG. 3 is a sectional view of the internal structure of FIG. 1; FIG. 4 is an enlarged schematic view of the structure shown in FIG. 3; FIG. 5 is a schematic view of the interior of FIG. 2; fig. 6 is a control connection relation diagram of the blockage relieving heat meter provided by the utility model.

Referring to fig. 1, the utility model provides a prevent blockking up calorimeter, including the table body 1, wherein, table body 1 is the shell structure who comprises thermal-insulated plastics.

The last interlude of table body 1 is provided with first survey buret 2 and second and surveys buret 4, first survey buret 2 be on a parallel with the second is surveyed buret 4 and is set up, first survey buret 2 with the junction of table body 1 is provided with thermal-insulated aerogel circle, second survey buret 4 with the junction of table body 1 is provided with thermal-insulated aerogel circle. A pair of transducers 7 is arranged on the first measuring pipe 2, the two transducers 7 are oppositely arranged, and a connecting line between the two transducers 7 and the axis of the first measuring pipe 2 form an included angle of 30-60 degrees; the second measuring pipe 4 is provided with another pair of transducers 7, the two transducers 7 are oppositely arranged, and a connecting line between the two transducers 7 and the axis of the second measuring pipe 4 form an included angle of 30-60 degrees. A singlechip 8 is fixedly arranged in the watch body 1, the singlechip 8 is connected with a rechargeable battery, the singlechip 8 is electrically connected with the transducer 7, in the specific implementation process, as shown in figure 6, the single chip microcomputer 8 is electrically connected with two change-over switches (only one of which is shown in the figure), the two change-over switches respectively control the first measuring pipe 2 and the second measuring pipe 4, the change-over switches are electrically connected with the transmitting circuit and the receiving circuit, one change-over switch controls one transducer 7 on the first measuring pipe 2 to be alternately connected with the transmitting circuit and the receiving circuit, meanwhile, the other transducer 7 is correspondingly and alternately connected with a receiving circuit and a transmitting circuit, the other switch controls the transducer 7 on the second measuring pipe 4 to be alternately connected with the transmitting circuit and the receiving circuit, and the other transducer 7 is correspondingly and alternately connected with the receiving circuit and the transmitting circuit; the transmitting circuit does transducer 7 energy supply is in order to send the ultrasonic wave, receiving circuit receive by transducer 7 converts the ultrasonic wave and the signal of telecommunication that produces, receiving circuit electric connection amplifier circuit, amplifier circuit is used for the signal of telecommunication that amplifies transducer 7 produced, amplifier circuit electric connection digital analog converter, through digital analog converter turns into digital signal with analog signal, convenient subsequent processing, digital analog converter electric connection counter counts the frequency of signal through the counter, counter electric connection singlechip 8.

Referring to fig. 3, first survey buret 2 with first Y type connects 3 is connected to the one end of second survey buret 4, be provided with first selection valve 31 on the first Y type connects 3, first selection valve 31 is control the ball valve of both ends intercommunication in the 3 three-ends of first Y type connects, two shoulder punishment that first Y type connects 3 do not are provided with two water supply connector 32, two water supply connector 32 is in respectively on the axis of first survey buret 2 and second survey buret 4, two the dismantled and assembled spiro union of water supply connector 32 department has the stopper, water supply connector 32 pairs and is provided with the joint, connect through the high-pressure squirt of pipe connection. First survey buret 2 with second survey buret 4's the other end is connected second Y type and is connected 6, be provided with second selection valve 61 on the second Y type connects 6, second selection valve 61 is control the ball valve of both ends intercommunication in the 6 three-terminals of second Y type joint, two shoulder punishment that second Y type connects 6 do not are provided with two drain 62, two drain 62 is in respectively on the axis of first survey buret 2 and second survey buret 4, two drain 62 detachable connections has the sealing plug respectively. A first temperature sensor 9 is arranged in the second Y-shaped joint 6, and the first temperature sensor 9 is electrically connected with the single chip microcomputer 8. In a specific implementation process, the end parts of the first Y-shaped joint 3 and the second Y-shaped joint 6, which are deviated from each other, are provided with flanges which are convenient to connect.

Referring to fig. 2 and 5 in combination, the anti-blocking calorimeter further comprises a third measuring tube 5, a second temperature sensor 10 is arranged in the third measuring tube 5, the second temperature sensor 10 is electrically connected to the single chip microcomputer 8, in the specific implementation process, the second temperature sensor 10 is electrically connected to a secondary single chip microcomputer, and the single chip microcomputer 8 and the secondary single chip microcomputer are respectively connected to wireless modules which are connected in a paired mode.

In addition, in a specific implementation process, the single chip microcomputer 8 is provided with a clock circuit and a data memory, the clock circuit is used for timing each measuring process of the blockage-releasing heat meter, and the data memory is used for storing data measured by the blockage-releasing heat meter, so that the single chip microcomputer 8 can be conveniently used for calling and taking. The single chip microcomputer 8 is electrically connected with a display and an input device, the display and the input device are arranged on the meter body 1, data measured by the blockage relieving heat meter are displayed through the display, and a user of the input device controls the single chip microcomputer 8.

The utility model provides a prevent blockking up calorimeter's principle as follows:

for the sake of convenience in distinguishing the transducers 7 here, two of the transducers 7 on the first measurement pipe 2 are denoted by T1 and T2, and two of the transducers 7 on the second measurement pipe 4 are denoted by T3 and T4. In use, said first Y-piece 3 and said second Y-piece 6 are connected to the water inlet end of the heat exchange system by means of a flange connection, said first selector valve 31 and said second selector valve 61 are rotated so that said first measuring duct 2 communicates with the heat exchange system through said first Y-piece 3 and second Y-piece 6; the third measuring tube 5 is connected to the water return end of the heat exchange system.

During measurement, the single chip microcomputer 8 controls the switch to enable the T1 to be connected with the transmitting circuit, the T2 to be connected with the receiving circuit, the T1 to send out ultrasonic waves, when the ultrasonic waves pass through downstream flowing water, the frequency changes, the T2 to receive the ultrasonic waves sent out by the T1, the T2 vibration generated electric signals are processed by the amplifying circuit and the digital-to-analog converter and then counted by the counter, the ultrasonic waves are sent out by the T2, when the ultrasonic waves pass through upstream flowing water, the frequency changes, the T1 receives the ultrasonic waves sent out by the T2, the T1 vibration generated electric signals are processed by the amplifying circuit and the digital-to-analog converter and then counted by the counter, the counting is carried out to be the ultrasonic wave frequency, the ultrasonic wave speed has different influences on the ultrasonic waves in the upstream and downstream flowing processes, the frequency of the ultrasonic waves is α sin (v + u) cos 38)/d respectively in the upstream and downstream flowing water, the sin speed is calculated to be a certain difference value, the sin (v + u) and the sin + u 38)/d, the sin-cos 48, the sin speed is further calculated to be a difference between the flow speed and the flow speed, and the flow speed is calculated to be expressed as a difference value, wherein the flow speed, the flow speed is expressed as a difference between the flow speed, and the flow speed, and the flow speed is expressed as a difference, and then.

The single chip microcomputer 8 measures the temperature of water entering the heat exchange system through the first temperature sensor 9, the secondary single chip microcomputer measures the temperature of the water flowing out of the heat exchange system through the second temperature sensor 10, the secondary single chip microcomputer transmits the temperature value to the single chip microcomputer 8 through the wireless module, and the single chip microcomputer 8 calculates the heat lost after the water flows through the heat exchange system by using the specific heat capacity of the water.

In the process, if the first measuring pipe 2 is blocked, the first selector valve 31 and the second selector valve 61 are adjusted, so that the second measuring pipe 4 is connected to the heat exchange system, and the single chip microcomputer 8 controls the T3T4 to work through an additional selector switch. Will first survey buret 2 corresponds connect high-pressure squirt on the water supply connector 32, will first survey buret 2 corresponds drain 62 is opened, and is right through high-pressure squirt wash in the first survey buret 2, and the cleaning process does not influence heat exchange system's use. If the second measuring tube 4 is clogged, the process is similar.

The utility model provides a prevent blockking up calorimeter is provided with two first survey buret 2 and the second survey buret 4 that measure the velocity of flow and use, through first selection valve 31 and the selective with second selection valve 61 first survey buret 2 and the second survey buret 4 inserts to heat exchange system, when first survey buret 2 blocks up, will second survey buret 4 inserts heat exchange system, will first survey buret 2 keeps apart, utilizes second survey buret 4 to measure, through corresponding water supply connector 32 and drain 62 cooperation high-pressure squirt of first survey buret 2 wash first survey buret 2; when the second surveyed buret 4 blockked up, utilize first survey buret 2 comes to measure, washs second survey buret 4 to avoid the calorimeter to block up and cause the influence to life production.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (9)

1. An anti-blocking heat meter is characterized by comprising a meter body (1), wherein,

the meter comprises a meter body (1), wherein a first measuring pipe (2) and a second measuring pipe (4) are arranged on the meter body (1) in an inserting mode, a pair of transducers (7) is arranged on the first measuring pipe (2), the other pair of transducers (7) is arranged on the second measuring pipe (4), and the two pairs of transducers (7) are arranged oppositely;

one ends of the first measuring pipe (2) and the second measuring pipe (4) are connected with a first Y-shaped joint (3), a first selection valve (31) is arranged on the first Y-shaped joint (3), and two water inlet joints (32) are respectively arranged at two shoulders of the first Y-shaped joint (3);

the other ends of the first measuring pipe (2) and the second measuring pipe (4) are connected with a second Y-shaped joint (6), a second selection valve (61) is arranged on the second Y-shaped joint (6), two drain outlets (62) are respectively arranged at two shoulders of the second Y-shaped joint (6), and a first temperature sensor (9) is arranged in the second Y-shaped joint (6);

a single chip microcomputer (8) is arranged in the meter body (1), the single chip microcomputer (8) is connected with a rechargeable battery, the single chip microcomputer (8) is electrically connected with the two pairs of transducers (7), and the single chip microcomputer (8) is electrically connected with the first temperature sensor (9);

the anti-blocking heat meter further comprises a third measuring pipe (5), a second temperature sensor (10) is arranged in the third measuring pipe (5), and the second temperature sensor (10) is electrically connected with the single chip microcomputer (8).

2. The anti-clogging calorimeter according to claim 1, wherein the single chip microcomputer (8) is electrically connected to two switches, the two switches respectively control the transducer (7) to be connected to a transmitting circuit or a receiving circuit, the transmitting circuit supplies energy to the transducer (7) to emit ultrasonic waves, the receiving circuit receives an electrical signal generated by converting the ultrasonic waves by the transducer (7), the receiving circuit is electrically connected to an amplifying circuit, the amplifying circuit is electrically connected to a digital-to-analog converter, the digital-to-analog converter is electrically connected to a counter, and the counter is electrically connected to the single chip microcomputer (8).

3. Anti-clogging heat meter according to claim 2, characterized in that the single chip microcomputer (8) is provided with a clock circuit and a data memory.

4. The anti-clogging calorimeter according to claim 1, wherein the single chip microcomputer (8) is electrically connected with a display and an input device, and the display and the input device are arranged on the meter body (1).

5. The anti-clogging calorimeter according to claim 1, wherein the second temperature sensor (10) is electrically connected to a secondary single chip microcomputer, and the single chip microcomputer (8) and the secondary single chip microcomputer are respectively connected to wireless modules which are connected in a paired manner.

6. Anti-clogging calorimeter according to claim 1, characterised in that the first selector valve (31) and the second selector valve (61) are ball valves.

7. Anti-clogging calorimeter according to claim 1, characterized in that the ends of the first Y-shaped joint (3) and the second Y-shaped joint (6) are provided with flanges facilitating connection.

8. Anti-clogging heat meter according to claim 1, characterized in that two said sewage outlets (62) are each detachably connected with a sealing plug.

9. The anti-clogging calorimeter according to claim 1, wherein plugs are detachably screwed at the two water inlet joints (32), the water inlet joints (32) are provided with joints in a pairing mode, and the joints are connected with a high-pressure water gun through pipelines.

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