Constant-temperature water tank for high-precision temperature calibration

Abstract

The utility model discloses a constant-temperature water tank for high-precision temperature calibration, which comprises a water tank body, the rear side wall of the water tank body is fixedly connected with hinges, the hinges are self-locking hinges, the number of the hinges is two, the hinges are symmetrically arranged left and right, one end, far away from the water tank body, of each hinge is fixedly connected with an upper cover, and the other end of each hinge is fixedly connected with a lower cover. A heat preservation assembly is arranged in the water tank body, the heat preservation assembly comprises a heat preservation box, a movable plate, sealing rings, a connecting pipe, an electromagnetic valve, an electric hydraulic rod, a temperature sensor and a heating plate, the movable plate is arranged in the heat preservation box, and the sealing rings are fixedly connected to the side walls of the periphery of the movable plate. According to the constant-temperature water tank, the water tank body and the heat preservation box are arranged, the heat preservation box is made of the ceramic fiber materials, and the ceramic fiber materials have low heat capacity and low heat conductivity, so that temperature fluctuation caused by heat dissipation of internal water can be avoided, and the self-heat-dissipation capacity of the constant-temperature water tank is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to constant temperature water tank technical field, specifically for high accuracy temperature calibration constant temperature water tank. BACKGROUND

[0002] Constant temperature water tank is a kind of metal water tank for controlling water temperature constant, mainly used in scientific experiment needs accurate temperature control occasion.It can provide stable and accurate temperature environment, is crucial to chemical reaction, material thermal performance analysis, biological sample culture and observation etc.Experiment, the main role of constant temperature water tank is to ensure that experiment is carried out under predetermined temperature conditions, to improve the success rate and reliability of experiment.

[0003] The existing constant temperature water tank when not using, its top placing mouth is often in open state, easy to dissipate a large amount of heat and cause the water temperature of water tank to be inconsistent, and the existing water tank also has heat dissipation, which will dissipate heat and cause temperature fluctuation, which is not conducive to high-precision temperature calibration work. UTILITY MODEL CONTENTS

[0004] The utility model discloses a high-precision temperature calibration constant temperature water tank, the heat preservation box adopts ceramic fiber material, the ceramic fiber material has low heat capacity and low thermal conductivity, can keep the heat of internal water not easy to dissipate and cause temperature fluctuation, greatly reduce the self-heat dissipation capacity of constant temperature water tank, and the heating plate can heat internal water, when constant temperature water tank is not used, can start electric hydraulic rod and lift moving plate, so that water falls below moving plate, and closes electromagnetic valve, and water is isolated in heat preservation box inside, so that the heat loss of water above is avoided, the heat preservation capacity of constant temperature water tank is improved, and the water temperature fluctuation of internal water is reduced.

[0005] To achieve the above object, provide high-precision temperature calibration constant temperature water tank, including: water tank body, the rear side wall of water tank body is fixedly connected with hinge, the hinge is self-locking hinge, the number of hinge is set to two, and left and right symmetrical arrangement is carried out, the end of hinge away from water tank body is fixedly connected with upper cover, the inside of water tank body is provided with heat preservation assembly, the heat preservation assembly includes heat preservation box, moving plate, sealing ring, connecting pipe, electromagnetic valve, electric hydraulic rod, temperature sensor and heating plate, the inside of heat preservation box is provided with moving plate, the periphery side wall of moving plate is fixedly connected with sealing ring, the bottom of moving plate is fixedly connected with connecting pipe, the circumferential surface of connecting pipe is fixedly connected with electromagnetic valve, the number of connecting pipe and electromagnetic valve is set to two, and is symmetrically distributed below moving plate, the bottom of moving plate is fixedly connected with electric hydraulic rod, the number of electric hydraulic rod is set to four, and is symmetrically distributed at the bottom four corner positions of moving plate, the bottom of moving plate is fixedly connected with temperature sensor, the inside bottom surface of heat preservation box is fixedly connected with heating plate.

[0006] According to the high-precision temperature calibration thermostatic sink, the front side wall of the sink body is fixedly connected with a PLC control display panel, the front side wall of the sink body is fixedly connected with a water outlet pipe, the circumferential surface of the water outlet pipe is fixedly connected with a water outlet valve, and the water outlet pipe is located below the PLC control display panel.

[0007] According to the high-precision temperature calibration thermostatic sink, the sink body and the upper cover are rotationally connected through a hinge.

[0008] According to the high-precision temperature calibration thermostatic sink, the heat preservation box is fixedly connected with the sink body, and the heat preservation box is made of ceramic fiber material.

[0009] According to the high-precision temperature calibration thermostatic sink, the moving plate is a vacuum heat insulation plate, and the sealing ring is made of high-heat-resistance and high-toughness polyphenyl ether polyamide alloy.

[0010] According to the high-precision temperature calibration thermostatic sink, the heating plate is located on the inner side of the electric hydraulic rod, and the bottom of the electric hydraulic rod is fixedly connected with the heat preservation box.

[0011] According to the high-precision temperature calibration thermostatic sink, the temperature sensor is located above the heating plate and between the two connecting pipes.

[0012] According to the high-precision temperature calibration thermostatic sink, the electromagnetic valve, the electric hydraulic rod, the temperature sensor and the heating plate are electrically connected with the PLC control display panel.

[0013] Compared with the prior art, the high-precision temperature calibration thermostatic sink has the beneficial effects that: the sink body and the heat preservation box are arranged, the heat preservation box is made of ceramic fiber material, the ceramic fiber material has low heat capacity and low heat conductivity, the heat of the internal water is not easy to dissipate, temperature fluctuation is avoided, and the self-heat dissipation capacity of the thermostatic sink is greatly reduced.

[0014] The heat preservation box, the moving plate, the sealing ring, the connecting pipe, the electromagnetic valve, the electric hydraulic rod, the temperature sensor and the heating plate are arranged, the heating plate can heat the internal water, when the thermostatic sink is not used, the electric hydraulic rod is started to lift the moving plate, so that the water falls below the moving plate, the electromagnetic valve is closed, the water is isolated in the heat preservation box, heat loss of the water above is avoided, the heat preservation capacity of the thermostatic sink is improved, and the water temperature fluctuation of the internal water is reduced.

[0015] Additional aspects and advantages of the present application will be better understood from the following descriptions, some of which will be apparent when considered in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further illustrated below in combination with the drawings and embodiments;

[0017] Figure 1 It is the front view of the constant-temperature water tank for high-precision temperature calibration of the utility model;

[0018] Figure 2 It is the internal structure diagram of the constant-temperature water tank for high-precision temperature calibration of the utility model;

[0019] Figure 3 It is the sectional view of the constant-temperature water tank for high-precision temperature calibration of the utility model;

[0020] Figure 4 It is the front view of the constant-temperature water tank for high-precision temperature calibration of the utility model.

[0021] In the drawing: 1, water tank body;2, hinge;3, upper cover;4, heat preservation assembly;5, PLC control display panel;6, water outlet pipe;7, water outlet valve;401, heat preservation box;402, moving plate;403, sealing ring;404, connecting pipe;405, electromagnetic valve;406, electric hydraulic rod;407, temperature sensor;408, heating plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described below in a clear and complete manner with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme: constant-temperature water tank for high-precision temperature calibration, include: water tank body 1, the rear side wall of water tank body 1 is fixedly connected with hinge 2, hinge 2 is self-locking hinge, the number of hinge 2 is set to two, and left and right symmetrical settings, the end of hinge 2 away from water tank body 1 is fixedly connected with upper cover 3, hinge 2 can complete self-locking, automatically closes upper cover 3, water tank body 1 and upper cover 3 are connected through hinge 2 rotation, and the inside of water tank body 1 is provided with heat preservation assembly 4.

[0024] The heat preservation assembly 4 comprises a heat preservation box 401, a moving plate 402, a sealing ring 403, a connecting pipe 404, a solenoid valve 405, an electric hydraulic rod 406, a temperature sensor 407 and a heating plate 408, the heat preservation box 401 is fixedly connected with the sink body 1, the heat preservation box 401 is made of ceramic fiber material, the ceramic fiber material has low heat capacity and low heat conductivity, can keep the heat of the internal water from being easily dissipated to cause temperature fluctuation, greatly reduces the self-heat dissipation capacity of the constant-temperature sink, the inside of the heat preservation box 401 is provided with the moving plate 402, the moving plate 402 is a vacuum heat insulation plate, the vacuum heat insulation plate is a high-efficiency heat insulation material, can insulate heat conduction to the outside, the sealing ring 403 is fixedly connected on the four peripheral side walls of the moving plate 402, the sealing ring 403 is made of high-heat-resistant and high-toughness polyphenyl ether polyamide alloy, the high-heat-resistant and high-toughness polyphenyl ether polyamide alloy has high heat resistance and toughness, can seal the moving plate 402 and the heat preservation box 401, and block heat conduction to the outside, the connecting pipe 404 is fixedly connected on the bottom of the moving plate 402, the solenoid valve 405 is fixedly connected on the circumferential surface of the connecting pipe 404, the number of the connecting pipe 404 and the solenoid valve 405 is two, and they are symmetrically distributed below the moving plate 402, the electric hydraulic rod 406 is fixedly connected on the bottom of the moving plate 402, the number of the electric hydraulic rod 406 is four, and they are symmetrically distributed at the four corner positions of the bottom of the moving plate 402, the temperature sensor 407 is fixedly connected on the bottom of the moving plate 402, for monitoring the internal water temperature, the heating plate 408 is fixedly connected on the inside bottom surface of the heat preservation box 401, the heating plate 408 is located on the inside of the electric hydraulic rod 406, the bottom of the electric hydraulic rod 406 is fixedly connected with the heat preservation box 401, the temperature sensor 407 is located above the heating plate 408 and between the two connecting pipes 404, the heating plate 408 heats and warms the internal water, when the solenoid valve 405 is opened and the electric hydraulic rod 406 is started synchronously, the moving plate 402 can be lifted upwards, so that the hot water can be completely protected below, avoiding heat loss when not in use, when in use, the solenoid valve 405 is opened and the electric hydraulic rod 406 is started, so that the hot water flows to the upper side through the connecting pipe 404, facilitating high-precision temperature calibration work.

[0025] The PLC control display panel 5 is fixedly connected on the front side wall of the sink body 1, the water outlet pipe 6 is fixedly connected on the front side wall of the sink body 1, the water outlet valve 7 is fixedly connected on the circumferential surface of the water outlet pipe 6, when the water outlet valve 7 is opened, the internal water of the heat preservation box 401 can be discharged from the water outlet pipe 6, facilitating water replacement, the water outlet pipe 6 is located below the PLC control display panel 5, the solenoid valve 405, the electric hydraulic rod 406, the temperature sensor 407 and the heating plate 408 are electrically connected with the PLC control display panel 5, through the PLC control display panel 5, the internal water temperature of the heat preservation box 401 can be displayed, and each component can be operated to work.

[0026] Working principle: open the upper cover 3, add water to the inside of the heat preservation box 401, the water flows to the lower side through the connecting pipe 404, then start the heating plate 408 to heat the water inside, when not in use, open the electromagnetic valve 405, start the electric hydraulic rod 406 at the same time, lift the moving plate 402 upward, so that the hot water can be completely protected in the lower side, close the electromagnetic valve 405 to avoid heat loss when not in use, when in use, open the electromagnetic valve 405, start the electric hydraulic rod 406, make the hot water flow to the upper side through the connecting pipe 404, convenient for high-precision temperature calibration work.

[0027] The utility model has been explained in detail above in combination with the drawings, but the utility model is not limited to the above embodiment, within the knowledge range of ordinary skill in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A thermostatic water bath for high precision temperature calibration, comprising: The sink body (1) is characterized in that the rear side wall of the sink body (1) is fixedly connected with a hinge (2), the hinge (2) is a self-locking hinge, the number of the hinge (2) is two, and the hinge (2) is symmetrically arranged left and right, one end of the hinge (2) away from the sink body (1) is fixedly connected with an upper cover (3), the inside of the sink body (1) is provided with a heat preservation assembly (4), the heat preservation assembly (4) comprises a heat preservation box (401), a moving plate (402), a sealing ring (403), a connecting pipe (404), an electromagnetic valve (405), an electric hydraulic rod (406), a temperature sensor (407) and a heating plate (408), the inside of the heat preservation box (401) is provided with the moving plate (402), the periphery of the moving plate (402) is fixedly connected with the sealing ring (403), the bottom of the moving plate (402) is fixedly connected with the connecting pipe (404), the circumferential surface of the connecting pipe (404) is fixedly connected with the electromagnetic valve (405), the number of the connecting pipe (404) and the electromagnetic valve (405) is two, and they are symmetrically distributed below the moving plate (402), the bottom of the moving plate (402) is fixedly connected with the electric hydraulic rod (406), the number of the electric hydraulic rod (406) is four, and they are symmetrically distributed at the four corner positions of the bottom of the moving plate (402), the bottom of the moving plate (402) is fixedly connected with the temperature sensor (407), and the inside bottom surface of the heat preservation box (401) is fixedly connected with the heating plate (408).

2. The thermostatic water bath for high-precision temperature calibration according to claim 1, characterized in that: The front side wall of the sink body (1) is fixedly connected with a PLC control display panel (5), the front side wall of the sink body (1) is fixedly connected with a water outlet pipe (6), the circumferential surface of the water outlet pipe (6) is fixedly connected with a water outlet valve (7), and the water outlet pipe (6) is located below the PLC control display panel (5).

3. The thermostatic water bath for high-precision temperature calibration according to claim 1, characterized in that: The sink body (1) and the upper cover (3) are rotationally connected through the hinge (2).

4. The thermostatic water bath for high-precision temperature calibration according to claim 1, characterized in that: The heat preservation box (401) is fixedly connected with the sink body (1), and the heat preservation box (401) is made of ceramic fiber material.

5. The thermostatic water bath for high-precision temperature calibration according to claim 1, characterized in that: The moving plate (402) is a vacuum heat insulation plate, and the sealing ring (403) is made of high-heat-resistant and high-toughness polyphenyl ether polyamide alloy.

6. The thermostatic water bath for high-precision temperature calibration according to claim 1, characterized in that: The heating plate (408) is located on the inner side of the electric hydraulic rod (406), and the bottom of the electric hydraulic rod (406) is fixedly connected with the heat preservation box (401).

7. The thermostatic water bath for high-precision temperature calibration according to claim 1, characterized in that: The temperature sensor (407) is located above the heating plate (408) and between the two connecting pipes (404).

8. The thermostatic water bath for high-precision temperature calibration according to claim 1, characterized in that: The electromagnetic valve (405), the electric hydraulic rod (406), the temperature sensor (407) and the heating plate (408) are electrically connected with the PLC control display panel (5).

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