Multi-channel liquid level detection device

Abstract

The utility model relates to the technical field of detection, and discloses a multi-channel liquid level detection device, which comprises a host and a sensor, and is characterized in that a plurality of wiring terminals are arranged on a main control board in the host; a placement frame is arranged on the host, a plurality of adapters are arranged in the placement frame, and the adapters are connected with the wiring terminals; and the sensor is connected with a main control board in the host through an adapter. The application has the effect of conveniently connecting a plurality of sensors at the same time.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of detection, in particular to a multi-channel liquid level detection device. BACKGROUND

[0002] The liquid level detection device is a device for detecting and measuring the position and height of liquid.

[0003] The liquid level detection device comprises a host and a sensor. The host comprises a shell and a main control board, the main control board is installed inside the shell, the main control board is provided with a plug-in connector, and the plug-in connector penetrates the shell. The measuring end of the sensor is installed on the reagent tube to be measured, and the connecting end of the sensor is installed on the plug-in connector and connected with the main control board through the plug-in connector.

[0004] However, the existing liquid level detection device generally only has one sensor, and when the liquid level depth of multiple reagent tubes needs to be measured, multiple hosts need to be placed, which occupies a large working area and has a relatively high cost. SUMMARY

[0005] In order to facilitate the connection of multiple sensors at the same time, the present application provides a multi-channel liquid level detection device.

[0006] The multi-channel liquid level detection device provided by the present application adopts the following technical scheme:

[0007] A multi-channel liquid level detection device comprises a host and a sensor, wherein:

[0008] A plurality of terminal connectors are arranged on the main control board inside the host;

[0009] A placing rack is arranged on the host, a plurality of adapters are arranged inside the placing rack, and the adapters are connected with the terminal connectors;

[0010] The sensor is connected with the main control board inside the host through the adapter.

[0011] Optionally, the placing rack is arranged in a ring shape, a support plate for supporting the placing rack is arranged on the side wall of the host, a movable pressing plate is arranged inside the placing rack, and the pressing plate and the support plate cooperatively clamp the placing rack.

[0012] Optionally, a plurality of separation blocks are arranged on one side of the pressing plate close to the adapter along the length direction of the pressing plate, and adjacent two separation blocks form a placing area for placing the adapter.

[0013] Optionally, the adapter is located between the pressing plate and the support plate.

[0014] Optionally, the pressing plate is provided with a pressure bearing plate away from the side of the support plate, a sliding rod is arranged between the pressure bearing plate and the pressing plate and penetrates through the placing rack, and a sector-shaped limiting block is arranged on the side wall of the main machine and rotationally fitted with the main machine.

[0015] Optionally, the pressure bearing plate is provided with a curved surface close to the side of the limiting block, and the limiting block is fitted with the curved surface when the limiting block is in contact with the pressure bearing plate.

[0016] Optionally, the placing rack is provided with a blocking strip away from the side of the main machine, and a clamping area for placing the adapter is formed between the blocking strip and the main machine.

[0017] Optionally, a positioning strip is arranged on the outer wall of the placing rack, and a positioning groove is arranged on the support plate for inserting the positioning strip.

[0018] Optionally, the main machine is provided with a plug-in interface, and the plug-in interface is detachably provided with a sealing plate.

[0019] In summary, the present application has at least one of the following beneficial technical effects:

[0020] 1. By designing a main machine to connect multiple adapters, and cooperating with a sensor to simultaneously measure the liquid level in multiple reagent tubes, the need for multiple main machines to measure separately is avoided, significantly reducing the purchase and use cost of the measuring equipment;

[0021] 2. The adapter is designed to be replaceable, and when it is damaged, it can be directly taken out from the inside of the placing rack for replacement, compared with the adapter fixed on the main control board before, the convenience of replacement is greatly improved, and the maintenance cost and equipment downtime are reduced;

[0022] 3. Through the cooperation of the support plate, the positioning groove and the positioning strip, and the cooperation of the blocking strip, the pressing plate, the partition block, the pressure bearing plate and the sliding rod and other structures, the stable support and limiting of the placing rack and the adapter are realized, and at the same time, the limiting block on the outer wall of the main machine cooperates with the curved surface on the pressure bearing plate, further improving the stability of the whole equipment, ensuring the accuracy and reliability of the measurement process. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application.

[0024] Figure 2 is a schematic diagram of the main machine shell structure in the embodiment of the present application.

[0025] Figure 3 is a schematic diagram of the placing rack structure in the embodiment of the present application.

[0026] Figure 4Fig. 1 is a schematic view showing the relative positions of the pressing plate and the pressure receiving plate in the embodiment of the present application.

[0027] Legend of reference signs:

[0028] 1, host; 11, main control board; 12, plug-in interface; 13, opening; 14, sealing plate; 2, rack; 21, adapter; 22, blocking bar; 23, positioning bar; 3, support plate; 31, positioning groove; 4, pressing plate; 41, partition block; 5, sliding rod; 6, pressure receiving plate; 61, arc surface; 7, limiting block. DETAILED DESCRIPTION

[0029] The following will be described in detail in combination with the accompanying Figures 1-4 The present application will be further described in detail.

[0030] The embodiment of the present application discloses a multi-channel liquid level detection device.

[0031] A multi-channel liquid level detection device comprises a host 1 and a sensor. The main control board 11 inside the host 1 is connected with a plurality of adapters 21, and the sensor is connected with the main control board 11 inside the host 1 through the adapters 21.

[0032] According to the requirement of measuring different numbers of reagent tubes, one end of the sensor is placed on the reagent tube, and the other end is connected to the adapter 21, so that the liquid level inside the plurality of reagent tubes can be measured at the same time. Compared with the way of using a plurality of hosts 1 to measure the liquid level inside the plurality of reagent tubes respectively, the design reduces the measurement cost.

[0033] The main control board 11 inside the host 1 is connected with a plurality of terminal blocks, and the sidewall of the host 1 is provided with an opening 13 for the terminal blocks to pass through. The rack 2 is arranged on the host 1, and the whole is arranged in a ring shape. The adapter 21 is located inside the rack 2 and connected with the terminal block. The sensor is connected to the adapter 21 and connected with the main control board 11 through the adapter 21.

[0034] When measuring the liquid level height inside the plurality of reagent tubes, one end of the plurality of sensors is arranged on the reagent tube, and the other end is installed on the adapter 21, so as to transmit the related measurement data to the main control board 11, and the main control board 11 analyzes and processes the data.

[0035] When the adapter 21 is damaged, the adapter 21 inside the rack 2 can be directly taken out for replacement. Compared with the adapter 21 fixed on the main control board 11 before, this way improves the convenience of replacing the adapter 21 and reduces the maintenance cost.

[0036] In order to facilitate the connection of the terminal on the main control board 11 and the adapter 21, the shell of the host 1 is provided with a plug-in interface 12, and the plug-in interface 12 is detachably connected with a cover plate 14 through screws. When it is necessary to install or disconnect the terminal from the adapter 21, the cover plate 14 is opened, and the worker can extend the tweezers from the plug-in interface 12 into the interior of the host 1 to realize the connection or disconnection operation of the terminal and the adapter 21.

[0037] The support plate 3 is arranged on the side wall of the shell of the host 1, the placement rack 2 is placed on the support plate 3 and supported by the support plate 3. The support plate 3 is provided with a positioning groove 31, and the outer wall of the placement rack 2 is provided with a positioning strip 23. The positioning strip 23 is inserted and matched with the positioning groove 31 to limit the placement rack 2 and improve the stability of the placement rack 2.

[0038] The side of the placement rack 2 away from the host 1 is provided with a blocking t, and the blocking strip 22 and the shell of the host 1 form a clamping area, and the adapter 21 is located in the clamping area, which reduces the possibility of the adapter 21 sliding into the interior of the host 1 from the opening 13 of the host 1 and improves the placement reliability of the adapter 21.

[0039] The interior of the placement rack 2 is provided with a pressing plate 4, and the pressing plate 4 is located on the side of the adapter 21 away from the support plate 3. The pressing plate 4 cooperates with the support plate 3 to clamp the adapter 21 and the placement rack 2, so as to improve the stability of the position of the adapter 21 and the placement rack 2.

[0040] The side of the pressing plate 4 close to the adapter 21 is provided with a partition block 41, and a plurality of partition blocks 41 are arranged along the length direction of the pressing plate 4. A placement area is formed between adjacent two partition blocks 41, and a single adapter 21 is placed in the placement area to position the adapter 21. The pressing plate 4 tightly presses the adapter 21 on the placement rack 2, which is convenient for adapting to adapters 21 of different sizes.

[0041] The side of the pressing plate 4 away from the support plate 3 is provided with a pressure bearing plate 6, and the pressing plate 4 is parallel to the pressure bearing plate 6. A plurality of slide rods 5 are arranged between the pressing plate 4 and the pressure bearing plate 6, and the slide rods 5 are in sliding cooperation with the placement rack 2. The plurality of slide rods 5 cooperatively limit the pressure bearing plate 6.

[0042] The pressure bearing plate 6 drives the pressing plate 4 to approach or move away from the adapter 21 through the slide rods 5. The side of the pressing plate 4 close to the adapter 21 is provided with an elastic pad to protect the adapter 21.

[0043] The outer wall of the host 1 is provided with a limiting block 7, the limiting block 7 is arranged in a fan shape, and the limiting block 7 is rotationally connected with the host 1 through a rotating shaft. The side of the pressure plate 6 close to the limiting block 7 is provided with an arc surface 61, when the pressure plate 4 contacts with the adapter 21, the limiting block 7 contacts with the arc surface 61, the larger contact surface between the limiting block 7 and the arc surface 61 improves the working stability of the pressure plate 6. When it is needed to release the limitation on the pressure plate 6, the limiting block 7 is moved away from the arc surface 61 of the pressure plate 6.

[0044] The implementation principle of the multi-channel liquid level detection device is that: the host 1 is connected with multiple adapters 21 through the internal main control board 11, and the internal main control board 11 is connected with the multiple adapters 21 through the internal main control board 11, and the sensor is connected with the adapter 21 to realize the simultaneous measurement of the internal liquid level of the multiple reagent tubes, compared with using multiple hosts 1 to measure, the cost is reduced; the placing rack 2 is arranged on the host 1, the adapter 21 in the placing rack 2 is connected with the terminal of the main control board 11, the sensor is connected with the adapter 21, and the placing rack 2 is stably placed on the host 1 through the cooperation of the supporting plate 3, the positioning groove 31 and the positioning strip 23, the blocking strip 22 and the shell of the host 1 form a clamping area to place the adapter 21, the pressure plate 4, the partition block 41, the pressure plate 6 and the slide rod 5 in the placing rack 2 cooperate to realize the stable clamping and protection of the adapter 21, and the adapter 21 is convenient to replace, the maintenance cost is reduced, the limiting block 7 on the outer wall of the host 1 and the arc surface 61 on the pressure plate 6 cooperate to further improve the working stability of the pressure plate 6, and the overall design effectively guarantees the stable realization and convenient maintenance of the measurement function of the equipment.

[0045] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A multi-channel liquid level detection device, characterized by: Including host (1) and sensor, wherein: The host (1) inside the main control panel (11) is provided with a plurality of terminal blocks; The host (1) is provided with a rack (2), the rack (2) is provided with a plurality of adapters (21) inside, the adapter (21) is connected with the terminal block; The sensor is connected with the main control panel (11) inside the host (1) through the adapter (21).

2. A multi-channel liquid level detection device according to claim 1, characterized in that: The rack (2) is arranged in a ring shape, the side wall of the host (1) is provided with a support plate (3) supporting the rack (2), the inside of the rack (2) is provided with a movable pressing plate (4), the pressing plate (4) and the support plate (3) cooperatively clamp the rack (2).

3. A multi-channel liquid level detection device according to claim 2, wherein: The side of the pressing plate (4) close to the adapter (21) is provided with a plurality of partition blocks (41) along the length direction of the pressing plate (4), and the adjacent two partition blocks (41) form a placement area for placing the adapter (21).

4. A multi-channel liquid level detection device according to claim 3, wherein: The adapter (21) is located between the pressing plate (4) and the support plate (3).

5. A multi-channel liquid level detection device according to claim 2, wherein: The side of the pressing plate (4) away from the support plate (3) is provided with a pressure receiving plate (6), a slide rod (5) penetrating through the rack (2) is arranged between the pressure receiving plate (6) and the pressing plate (4), and a fan-shaped limiting block (7) is arranged on the side wall of the host (1), and the limiting block (7) is rotationally connected with the host (1).

6. A multi-channel liquid level detection device according to claim 5, wherein: The side of the pressure receiving plate (6) close to the limiting block (7) is provided with a camber surface (61), and when the limiting block (7) contacts with the pressure receiving plate (6), the limiting block (7) is attached with the camber surface (61).

7. A multi-channel liquid level detection device according to claim 2, wherein: The side of the rack (2) away from the host (1) is provided with a blocking strip (22), and a clamping area for placing the adapter (21) is formed between the blocking strip (22) and the host (1).

8. A multi-channel liquid level detection device according to claim 2, wherein: The outer wall of the rack (2) is provided with a positioning strip (23), and the support plate (3) is provided with a positioning groove (31) for inserting the positioning strip (23).

9. A multi-channel liquid level detection apparatus according to claim 1, wherein: The host (1) is provided with a plug interface (12), and the plug interface (12) is detachably provided with a cover plate (14).

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