Pressure instrument testing device

Abstract

The utility model relates to the technical field of pressure instrument testing, and discloses a pressure instrument testing device which comprises a support, a plurality of outer shells arranged at equal intervals are installed on the upper surface of the support, adjusting devices used for adjusting environment variables are arranged in the outer shells, a detection pipeline is arranged above the support, and the detection pipeline is communicated with the outer shells. The detection pipeline penetrates through the outer shell, and the contact position of the detection pipeline and the outer shell is coated with sealant. According to the pressure instrument testing device, the pressure gauge bodies of the same specification are installed in the outer shells, the environments in the outer shells are different by opening and closing the corresponding electromagnetic valves, different variable comparison tests under the same model are achieved, or the pressure gauge bodies of different specifications are installed in the outer shells, so that the test efficiency is improved. By opening and closing the corresponding electromagnetic valves, the internal environment of each outer shell is the same, parallel contrast test under the same condition is realized, more comprehensive detection is further realized, and the detection efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure instrument test technical field, concretely to a pressure instrument testing device. BACKGROUND

[0002] In the chemical industry field needs various detection instruments, such as common pressure gauge, flowmeter and temperature table etc., these instruments are usually located in various environments such as high temperature when using, therefore have higher requirement to the heat resistance of instrument, in the pressure gauge currently used, mechanical pressure gauge is mostly used, before putting into use, need to carry out heat resistance test, and the test method is usually that artificial sprays high-temperature steam to the pressure gauge under the detection state, to observe whether the reading of pressure gauge changes, to judge the heat resistance of pressure gauge.

[0003] The prior art (announcement number: CN219416554U) discloses a pressure instrument testing device, which sprays high-temperature steam to the pressure gauge body around simultaneously by setting the steam injection assembly, the annular arrangement of the steam inlet and the steam nozzle, so that the detection is more uniform and complete, and the temperature sensor arranged in the protective shell body can monitor the temperature in the protective shell body in real time, and the display can display the temperature change, so that the tester can intuitively understand the temperature change.

[0004] The above-mentioned patent can observe the pressure gauge body by setting the observation window, avoid harm to people, and has higher safety, and the temperature sensor is arranged, and the display can display the temperature change, so that the tester can intuitively understand the temperature change, and the test results can be compared and checked, but it can only detect one instrument at a time, lacks parallel comparison test under the same condition, and the detection variables are less, and the detection direction is not comprehensive and complete. UTILITY MODEL CONTENTS

[0005] In view of the defects of the prior art, the utility model provides a pressure instrument testing device, which has the advantages of parallel comparison test under the same condition and different variable comparison test under the same model, and solves the problems mentioned in the above background.

[0006] In order to achieve the above object, the utility model provides following technical scheme: a pressure instrument testing arrangement, including support, the upper surface of support is equipped with a plurality of equidistance arrangement shell, the inside of shell is provided for adjusting environmental variable adjusting device, the top of support is provided with detection pipeline, detection pipeline penetrates shell, the contact position of detection pipeline with shell is daubed with sealant, the outer surface of detection pipeline is fixed with installation platform, the upper surface of installation platform is installed with pressure gauge body, the front of each shell is installed with cabinet door, the inner side of cabinet door is installed with rubber sealing ring.

[0007] Further, the adjusting device includes an annular communication pipe arranged outside the pressure gauge body, and a plurality of steam nozzles are arranged on the outer surface of the annular communication pipe.

[0008] Through the above scheme, the hot steam is transferred to the steam nozzles through the annular communication pipe and sprayed out through the steam nozzles, and the hot steam sprayed out through the steam nozzles is on the outer surface of the pressure gauge body, thereby simulating the use of the pressure gauge body in a hot steam environment.

[0009] Further, the upper surface of the support is provided with a steam inlet pipe, the input end of the steam inlet pipe is communicated with an air pump outside, a plurality of branch pipes are arranged on the outer surface of the steam inlet pipe, the branch pipes are communicated with the corresponding annular communication pipes, and an electromagnetic valve is arranged between the branch pipes and the steam inlet pipe.

[0010] Through the above scheme, the hot steam in the steam pipeline can enter the branch pipes and reach the annular communication pipes through the opening of the electromagnetic valve between the steam inlet pipe and the branch pipes.

[0011] Further, the adjusting device further includes a cold air pipeline communicated with the air pump outside, the cold air pipeline penetrates the shell, a plurality of groups of cold air nozzles are arranged on the outer surface of the cold air pipeline, each group of corresponding cold air nozzles is located in the inside of the corresponding shell, and an electromagnetic valve is arranged on the outer surface of the cold air nozzles and the cold air pipeline.

[0012] Through the above scheme, when the electromagnetic valve arranged between the cold air pipeline and the cold air nozzles is opened, the cold air can be sprayed out from the cold air pipeline and act on the outer surface of the pressure gauge body, thereby simulating the use of the pressure gauge body in a cold environment.

[0013] Further, the adjusting device further includes a hot air pipeline communicated with the air pump outside, the hot air pipeline penetrates the shell, a plurality of groups of hot air nozzles are arranged on the outer surface of the hot air pipeline, each group of corresponding hot air nozzles is located in the inside of the corresponding shell, and an electromagnetic valve is arranged on the outer surface of the hot air nozzles and the hot air pipeline.

[0014] Through the above scheme, in the case that the electromagnetic valve installed between the hot air pipeline and the hot air nozzle is opened, hot air can be sprayed from the hot air pipeline and act on the outer surface of the pressure gauge body, simulating the use of the pressure gauge body in cold and hot environments.

[0015] Further, the upper surface of the bracket is provided with a control device connected with the electromagnetic valve signal, and the inner top wall of each shell body is provided with a temperature and humidity sensor.

[0016] Through the above scheme, the opening and closing of the electromagnetic valve can be controlled by the control device, and all the temperature and humidity sensors can transmit data to the panel of the control device.

[0017] Further, the inner wall of the cabinet door is provided with an outer protective tube, the end of the outer protective tube is fixed with a tempered glass plate, and the inner portion of the outer protective tube is provided with a monitoring camera electrically connected with the control device.

[0018] Through the above scheme, all the dial information of the pressure gauge body installed in the shell body can be transmitted to the panel of the control device through the monitoring camera, without the need for workers to check and copy one by one, and all the required data can be directly observed on the panel of the control device.

[0019] Further, the bottom surface of the shell body is provided with a drain pipe in communication with the shell body.

[0020] Through the above scheme, the drain pipe can drain the accumulated water in the shell body, facilitating the cleaning of the inside of the shell body.

[0021] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

[0022] The pressure instrument testing device is provided with multiple shell bodies and adjusting devices for adjusting environmental variables in the shell bodies, so that the same specification pressure gauge bodies can be installed in each shell body during the testing process of the pressure gauge body, the environments in the shell bodies are different by opening and closing the corresponding electromagnetic valves, the same type of different variable comparison test is realized, or different specification pressure gauge bodies are installed in each shell body, the environments in the shell bodies are the same by opening and closing the corresponding electromagnetic valves, parallel comparison test under the same conditions is realized, and more comprehensive detection and improved detection efficiency are realized. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a whole three-dimensional structure diagram of the present application;

[0024] Figure 2 It is a structure schematic diagram of the whole adjusting device of the present application;

[0025] Figure 3 It is a cross-sectional view of the overall housing side view of the present application;

[0026] Figure 4 It is a cross-sectional view of the overall toughened glass plate side view of the present application.

[0027] In the figure:

[0028] 1, support; 2, housing;

[0029] 3, adjusting device; 301, annular communication pipe; 302, steam nozzle; 303, steam inlet pipe; 304, branch pipe; 305, cold air pipeline; 306, cold air nozzle; 307, hot air pipeline; 308, hot air nozzle;

[0030] 4, detection pipeline; 5, mounting table; 6, pressure gauge body; 7, cabinet door; 8, control equipment; 9, outer protective tube; 10, toughened glass plate; 11, monitoring camera; 12, drain pipe; 13, temperature and humidity sensor. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] Please refer to Figure 1 , Figure 2 and Figure 3 A pressure instrument testing device in the embodiment includes a support 1, a plurality of equidistantly arranged housings 2 are installed on the upper surface of the support 1, an adjusting device 3 for adjusting environmental variables is arranged inside the housing 2, a detection pipeline 4 is arranged above the support 1, the detection pipeline 4 penetrates through the housing 2, sealing glue is applied at the contact position between the detection pipeline 4 and the housing 2, a mounting table 5 is fixed to the outer surface of the detection pipeline 4, a pressure gauge body 6 is installed on the upper surface of the mounting table 5, a cabinet door 7 is installed on the front surface of each housing 2, and a rubber sealing ring is installed on the inner side surface of the cabinet door 7.

[0033] Please refer to Figure 2 , Figure 3 and Figure 4, the adjusting device 3 comprises a ring-shaped communication pipe 301 arranged outside the pressure gauge body 6, a plurality of steam nozzles 302 are arranged on the outer surface of the ring-shaped communication pipe 301, hot steam is transferred to the steam nozzles 302 through the ring-shaped communication pipe 301 and sprayed out through the steam nozzles 302, the hot steam sprayed out through the steam nozzles 302 acts on the outer surface of the pressure gauge body 6, simulating the use of the pressure gauge body 6 in a hot steam environment, a steam inlet pipe 303 is arranged on the upper surface of the support 1, the input end of the steam inlet pipe 303 is connected with an air pump outside, a plurality of branch pipes 304 are arranged on the outer surface of the steam inlet pipe 303, the branch pipes 304 are connected with the corresponding ring-shaped communication pipes 301, and an electromagnetic valve is arranged between the branch pipes 304 and the steam inlet pipe 303, through the opening of the electromagnetic valve between the steam inlet pipe 303 and the branch pipes 304, the hot steam in the steam pipeline can enter the branch pipes 304 and reach the ring-shaped communication pipes 301.

[0034] Please refer to Figure 2 、 Figure 3 and Figure 4 , the adjusting device 3 further comprises a cold air pipeline 305 connected with an air pump outside, the cold air pipeline 305 penetrates through the outer shell 2, a plurality of groups of cold air nozzles 306 are arranged on the outer surface of the cold air pipeline 305, each group of the cold air nozzles 306 is located in the corresponding inner part of the outer shell 2, an electromagnetic valve is arranged on the outer surface of the cold air nozzles 306 and the cold air pipeline 305, under the condition that the electromagnetic valve arranged between the cold air pipeline 305 and the cold air nozzles 306 is opened, cold air can be sprayed out from the cold air pipeline 305 and act on the outer surface of the pressure gauge body 6, simulating the use of the pressure gauge body 6 in a cold environment, the adjusting device 3 further comprises a hot air pipeline 307 connected with an air pump outside, the hot air pipeline 307 penetrates through the outer shell 2, a plurality of groups of hot air nozzles 308 are arranged on the outer surface of the hot air pipeline 307, each group of the hot air nozzles 308 is located in the corresponding inner part of the outer shell 2, an electromagnetic valve is arranged on the outer surface of the hot air nozzles 308 and the hot air pipeline 307, under the condition that the electromagnetic valve arranged between the hot air pipeline 307 and the hot air nozzles 308 is opened, hot air can be sprayed out from the hot air pipeline 307 and act on the outer surface of the pressure gauge body 6, simulating the use of the pressure gauge body 6 in a cold and hot environment.

[0035] Please refer to Figure 2 、 Figure 3 and Figure 4The upper surface of the support 1 is provided with a control device 8 connected with the electromagnetic valve signal, the inner top wall of each shell body 2 is provided with a temperature and humidity sensor 13, the opening and closing of the electromagnetic valve can be controlled through the control device 8, all the temperature and humidity sensors 13 can transmit data to the panel of the control device 8, the inner wall of the cabinet door 7 is provided with an outer protective tube 9, the end of the outer protective tube 9 is fixedly provided with a tempered glass plate 10, the inner part of the outer protective tube 9 is provided with a monitoring camera 11 electrically connected with the control device 8, the dial information of all the pressure gauge bodies 6 installed in the shell body 2 can be transmitted to the panel of the control device 8 through the monitoring camera 11, the required data can be directly observed on the panel of the control device 8 without checking and copying by the workers, the bottom surface of the shell body 2 is provided with a drain pipe 12 in communication with the shell body 2, the drain pipe 12 can drain the water in the shell body 2, and the shell body 2 is convenient to clean.

[0036] The pressure instrument testing device in the embodiment is provided with a plurality of shell bodies 2 and a regulating device 3 for regulating environmental variables in the shell bodies 2, so that the same specification pressure gauge bodies 6 can be installed in each shell body 2 during the testing process of the pressure gauge body 6, the environment in each shell body 2 is different through the opening and closing of the corresponding electromagnetic valve, the different variable comparison test under the same model is realized, or different specification pressure gauge bodies 6 are installed in each shell body 2, the environment in each shell body 2 is the same through the opening and closing of the corresponding electromagnetic valve, the parallel comparison test under the same condition is realized, and then the comprehensive detection is realized and the detection efficiency is improved.

[0037] It should be noted that during the detection process, after the detection of one environmental variable is completed, the inside of the shell body 2 needs to be cleaned and returned to the normal temperature before the new detection is performed, so as to avoid the detection error.

[0038] The working principle of the above embodiment is that when the different variable comparison test of the pressure gauge body 6 under the same model is needed, the same specification pressure gauge body 6 is installed on the mounting table 5 in the corresponding shell body 2, then the cabinet door 7 is closed, the first cabinet body is filled with water vapor, the second cabinet body is filled with high-temperature gas, the third cabinet body is filled with cold air, and the fourth cabinet body is not filled with any gas as a control group, the readings of all the pressure gauge bodies 6 are observed through the control device 8, all the temperature and humidity sensors 13 can transmit data to the panel of the control device 8, and the different variable comparison test under the same model is realized.

[0039] When parallel tests of different specifications under the same conditions are needed, the pressure gauge bodies 6 of different specifications are installed on the installation table 5, the environment inside each outer shell 2 is made the same by starting and stopping the corresponding electromagnetic valves, the readings of each pressure gauge body 6 are viewed through the control device 8, all the temperature and humidity sensors 13 can transmit data to the panel of the control device 8, parallel comparison tests under the same conditions are realized, and then more comprehensive detection and improved detection efficiency are realized.

[0040] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... " does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0041] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, alternatives, and variations can be made in the embodiments without departing from the spirit and scope of the present application as defined by the appended claims and their equivalents.

Claims

1. A pressure gauge testing device, comprising a support (1), characterized in that: The upper surface of the bracket (1) is equipped with a plurality of equally spaced outer shells (2). The interior of the outer shell (2) is provided with a regulating device (3) for adjusting environmental variables. A detection pipe (4) is provided above the bracket (1). The detection pipe (4) penetrates the outer shell (2). The contact position between the detection pipe (4) and the outer shell (2) is coated with sealant. An installation platform (5) is fixed on the outer surface of the detection pipe (4). A pressure gauge body (6) is installed on the upper surface of the installation platform (5). A cabinet door (7) is installed on the front of each outer shell (2). A rubber sealing ring is installed on the inner side of the cabinet door (7).

2. The pressure gauge testing device according to claim 1, characterized in that: The regulating device (3) includes an annular connecting pipe (301) disposed outside the pressure gauge body (6), and a plurality of steam nozzles (302) are installed on the outer surface of the annular connecting pipe (301).

3. The pressure gauge testing device according to claim 2, characterized in that: A steam inlet pipe (303) is provided on the upper surface of the bracket (1). The input end of the steam inlet pipe (303) is connected to an external air pump. Multiple branch pipes (304) are installed on the outer surface of the steam inlet pipe (303). Each branch pipe (304) is connected to its corresponding annular connecting pipe (301). A solenoid valve is installed between the branch pipe (304) and the steam inlet pipe (303).

4. The pressure gauge testing device according to claim 1, characterized in that: The regulating device (3) also includes a cold air duct (305) connected to an external air pump. The cold air duct (305) penetrates the outer shell (2). Multiple sets of cold air nozzles (306) are installed on the outer surface of the cold air duct (305). Each set of corresponding cold air nozzles (306) is located inside the corresponding outer shell (2). Solenoid valves are installed on the outer surfaces of the cold air nozzles (306) and the cold air duct (305).

5. A pressure gauge testing device according to claim 1, characterized in that: The regulating device (3) also includes a hot air duct (307) connected to an external air pump. The hot air duct (307) passes through the outer shell (2). Multiple sets of hot air nozzles (308) are installed on the outer surface of the hot air duct (307). Each set of corresponding hot air nozzles (308) is located inside the corresponding outer shell (2). Solenoid valves are installed on the outer surface of the hot air nozzles (308) and the hot air duct (307).

6. The pressure gauge testing device according to claim 1, characterized in that: A control device (8) is installed on the upper surface of the bracket (1), and the control device (8) is connected to the solenoid valve signal. A temperature and humidity sensor (13) is installed on the inner top wall of each of the outer shells (2).

7. The pressure gauge testing device according to claim 1, characterized in that: The inner wall of the cabinet door (7) is fitted with an outer protective tube (9), and a tempered glass plate (10) is fixed to the end of the outer protective tube (9). A monitoring camera (11) is installed inside the outer protective tube (9), and the monitoring camera (11) is electrically connected to the control device (8).

8. A pressure gauge testing device according to claim 1, characterized in that: The bottom surface of the outer shell (2) is provided with a drain pipe (12), which is connected to the outer shell (2).

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