Petroleum product test bath capable of setting and controlling temperature and heating outside bath

Abstract

The utility model discloses a temperature settable and controllable out-bath heating petroleum product test bath, which comprises a water bath, a heating power control circuit board and a temperature setting display control circuit, a water line is arranged in the water bath, a water bath water inlet and a water bath water outlet are arranged on two sides of the water bath, and the water bath water outlet is connected with a tubular heating pipe and a circulating pump through pipelines. Connecting to a water bath water inlet; the heating power control circuit board is provided with a working power supply input end, the water bath is provided with a temperature sensor, the temperature sensor is connected with a temperature setting display control circuit, the temperature setting display control circuit is connected with the heating power control circuit board, and the heating power control circuit board is connected with the power supply end of the tubular heating tube through a wire. The heating device is arranged outside the test bath, so that the space of the test bath is not occupied, and the volume of the test bath and an effective test area are utilized to the maximum extent. Meanwhile, water and electricity separation is achieved, direct contact between the heating device and liquid in the test bath is blocked, and the use safety of the test bath is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to petroleum product test bath, especially a petroleum product test bath with controllable external heating of temperature setting. BACKGROUND

[0002] In some physical property tests of petroleum products, test baths with heating function and controllable temperature are often used. When the heating and temperature control are below 100 DEG C, water bath is often used, and when the heating and temperature control are above 100 DEG C, oil bath is often used.

[0003] At present, the common heating method of petroleum product test bath is direct heating in the test bath.

[0004] In order to make the temperature distribution in the heating bath reasonable, the heating device is usually directly installed at the bottom of the test bath.

[0005] In order to facilitate the placement of samples in the test bath, an isolation plate is usually installed above the heating device, which is used to isolate the heating device and also serves as a partition plate for sample placement.

[0006] In order to make the temperature in the test bath uniform, an electric stirring device is installed to stir the water bath.

[0007] Defects and deficiencies:

[0008] 1. Because the heating device is directly installed at the bottom of the test bath and the isolation plate is installed to shield the heating device, the effective use depth of the test bath is shallow and the effective use volume is small.

[0009] 2. Because the heating device and the heating device isolation plate are installed at the bottom of the test bath, it is difficult to clean the test bath.

[0010] 3. Because the heating device is directly installed in the test bath, if the heating device leaks, the test bath will be directly electrified, so there is a potential safety hazard.

[0011] 4. In order to make the water bath temperature in the test bath uniform, an electric stirring device is used to stir the water bath, and the stirring device will occupy a certain test area in the bath, so there is a defect of affecting the effective test area in the bath.

[0012] Therefore, it is urgent for the technical personnel in the field to develop a petroleum product test bath with controllable external heating of temperature setting. Utility model content

[0013] The utility model discloses in order to solve above insufficient, provide a kind of temperature can set controllable bath external heating's petroleum product test bath.Heating device is placed in test bath outside, make test bath inside without heating tube, without baffle, without electric agitator device etc., do not occupy the space of test bath, do not influence effective test area, make the volume of test bath and effective test area get maximum limit utilization.Heating device moves from test bath inside to test bath outside, realize water-electricity separation, block heating device and the direct contact of liquid in test bath, improve the security of test bath use.Single-chip microcontroller control technology and self-designed temperature setting, display, control circuit, and heating power conversion control circuit are used, with the most reasonable heating power, the temperature of test bath reaches and controls to the temperature set with the most saving time.

[0014] The utility model discloses the above-mentioned purpose through following technical scheme realizes: a kind of temperature can set controllable bath external heating's petroleum product test bath, including water bath, heating power control circuit board and temperature setting display control circuit, the water level line is equipped in the water bath, water bath both sides are equipped with water bath water inlet and water bath water outlet, the water bath water outlet is connected pipe type heating tube and circulating pump by pipeline, then is connected to water bath water inlet;The heating power control circuit board is equipped with working power input end, temperature sensor is equipped on the water bath, temperature sensor connects temperature setting display control circuit, temperature setting display control circuit connects heating power control circuit board, the heating power control circuit board is connected the power supply end of pipe type heating tube by wire.

[0015] The utility model has the advantages that compared with prior art:

[0016] 1, have the advantage that the volume of test bath is maximally utilized.

[0017] The utility model places heating device outside test bath, so that there is no heating tube, baffle, etc. in the test bath, and no device occupying the space of the test bath, and the volume of the test bath is maximally utilized.

[0018] 2, have the advantage of improving the security of test bath use.

[0019] The utility model moves heating device from inside the test bath to outside the test bath, realizes water-electricity separation in a true sense, blocks the direct contact of heating device and liquid in the test bath, and has the advantage of improving the security of test bath use.

[0020] 3, have the advantage that water bath stirring is uniform and does not affect the effective test area.

[0021] The utility model discloses a heater is placed in the test bath outside, and adopt the circulation pump that uses with the cooperation of heating device, and the water of heating is constantly circulated with the water in the test bath, realizes the effective circulation of water bath in the test bath, and also discards the electric stirring device that is used for stirring specially, has the advantage that water bath is stirred evenly and does not influence effective test area.

[0022] 4, has the advantage that water bath temperature control is fast and stable.

[0023] The utility model discloses a singlechip control technology and heating power conversion control circuit, reach and control to the temperature of test bath that the most reasonable heating power, the most saving time makes the temperature of test bath to set temperature, has the advantage that water bath temperature control is fast and stable.

[0024] 5, has the advantage that the technical level of relevant test instrument is promoted.

[0025] The utility model discloses the relevant test instrument of petroleum product, because the volume of test bath is effectively utilized, the safety of test bath use is improved, the water bath temperature control of test bath is fast and stable and other characteristics, has the advantage that the technical level of relevant test instrument is promoted. DRAWINGS

[0026] Figure 1 It is the structural schematic diagram of the utility model.

[0027] Figure 2 It is the application example schematic diagram of the utility model.

[0028] Figure 3 It is Figure 2 The left view of. CONCRETE IMPLEMENTING METHOD

[0029] The utility model is further described in detail below in connection with the drawings.

[0030] As Figure 1 Shown, a temperature can set controllable bath outside heating's petroleum product test bath, including water bath 4, heating power control circuit board 7 and temperature setting display control circuit 8, be equipped with water level line 5 in water bath 4, and water bath 4 both sides are equipped with water bath water inlet 2 and water bath water outlet 10, water bath water outlet 10 is connected pipe type heating pipe 6 and circulation pump 3 through pipeline, and is connected to water bath water inlet 2 again;Heating power control circuit board 7 is equipped with working power input end 1, and water bath 4 is equipped with temperature sensor 9, and temperature sensor 9 is connected temperature setting display control circuit 8, and temperature setting display control circuit 8 is connected heating power control circuit board 7, and heating power control circuit board 7 is connected the power supply end of pipe type heating pipe 6 through the wire.

[0031] In the utility model:

[0032] The working power input end 1, the working power of the utility model is 220V / 50Hz, the power input is to the heating power control circuit board 7.

[0033] The water bath inlet 2 is the water inlet of the water bath 4. The water in the water bath 4 flows into from the water bath inlet 2 through the operation of the circulating pump 3.

[0034] The circulating pump 3 is a water pump for circulating the water in the water bath 4, and the purpose is to stir the water in the water bath 4 to make the water temperature in the water bath 4 uniform.

[0035] The water bath 4 is the petroleum product test bath (if the test temperature is higher than 100 DEG C, it is oil bath) of the utility model.

[0036] The water level line 5 is the water level line when the sample in the water bath 4 reaches the set temperature point.

[0037] The tubular heating pipe 6 is the bath heating device outside the utility model. When the circulating pump 3 works, the heating pipe heats the water flowing out from the water bath outlet 10 and then sends the water into the water bath 4 from the water bath inlet 2. Through the repeated circulation and continuous heating and temperature control, the water in the water bath 4 finally reaches the set temperature, and the temperature in the bath is uniform. Generally, the heating pipe is made of quartz, and the heating material is wrapped outside the quartz pipe. The two ends of the heating pipe are power supply ends.

[0038] The heating power control circuit board 7 is the power control circuit board for supplying power to the tubular heating pipe 6. The circuit receives the temperature signal sent by the temperature setting display control circuit 8, and automatically changes the heating power sent to the tubular heating pipe 6. According to the set temperature point, full power heating is started, and before reaching the set temperature point, the heating power is reduced and frequent overshoot is prevented. The temperature of the test bath reaches and is controlled to the set temperature with the most reasonable heating power and the most saved heating time.

[0039] The temperature setting display control circuit 8 is the circuit to which the temperature signal collected by the temperature sensor 9 is sent. Through the circuit and another supporting display device, the temperature signal collection, the test temperature setting and control required by the water bath, the real-time temperature display, the temperature signal sent to the heating power control circuit 7 and other functions can be realized.

[0040] The temperature sensor 9 collects the real-time temperature information in the water bath 4 and sends it to the temperature setting display control circuit 8.

[0041] The water bath outlet 10 is the water outlet of the water bath 4. The water in the water bath 4 flows out from the water bath outlet 10 and then flows into the water bath 4 from the water bath inlet 2 through the operation of the circulating pump 3.

[0042] The application example schematic diagram of the utility model is shown in the following figure. Figure 2 , Figure 3as shown.

[0043] wherein, Figure 2 is a front view (lower section), Figure 3 is a side view (section).

[0044] Figure 2 in:

[0045] Lower box B1, the lower box of the application example, built-in water bath B3.

[0046] Water bath circulating water pipe B2, the circulating water pipe is located at the left side and back of the water bath B3. One end is connected to the water outlet of the water bath B3, and the other end is connected in series to the heating pipe and the circulating water pump. The other end of the circulating water pump is connected to the water inlet of the water bath B3 through the water bath circulating water pipe B7, thereby forming a closed loop circulation of water in the water bath B3. The heating pipe and the circulating water pump are placed at the back of the water bath B3.

[0047] Water bath B3, test water bath.

[0048] Water bath cover B4, the cover of the water bath B3.

[0049] Upper box B5, the upper box of the embodiment of the application, built-in control circuit board, equipped with touch liquid crystal display screen B6, etc.

[0050] Touch liquid crystal display screen B6, the "input / output" device of the embodiment of the application. In terms of the embodiment of the application, through the device, the water bath temperature can be set, modified; the temperature of the water bath can be displayed in real time; and the fault alarm information display in the water bath heating stable process, etc.

[0051] Water bath circulating water pipe B7, the circulating water pipe is located at the right side and back of the water bath B3. One end is connected to the water inlet of the water bath B3, and the other end is connected in series to the circulating water pump and the heating pipe. The other end of the heating pipe is connected to the water outlet of the water bath B3 through the water bath circulating water pipe B2, thereby forming a closed loop circulation of water in the water bath B3.

[0052] The above is only an embodiment of the application, and does not limit the patent scope of the application, any equivalent structure or equivalent process transformation using the content of the application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the application.

Claims

1. A temperature controllable bath with external heating for petroleum product testing baths, characterized in that: Including water bath, heating power control circuit board and temperature setting display control circuit, water level line is arranged in the water bath, water bath water inlet and water bath water outlet are arranged on both sides of the water bath, the water outlet of the water bath is connected with the pipe type heating pipe and the circulating pump through the pipeline, and then connected to the water inlet of the water bath; The working power input end is arranged on the heating power control circuit board, the temperature sensor is arranged on the water bath, the temperature sensor is connected with the temperature setting display control circuit, the temperature setting display control circuit is connected with the heating power control circuit board, and the heating power control circuit board is connected with the power supply end of the pipe type heating pipe through the wire.

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