CN218066700U - High-precision chemical instrument metering detection device - Google Patents

High-precision chemical instrument metering detection device Download PDF

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Publication number
CN218066700U
CN218066700U CN202221922300.1U CN202221922300U CN218066700U CN 218066700 U CN218066700 U CN 218066700U CN 202221922300 U CN202221922300 U CN 202221922300U CN 218066700 U CN218066700 U CN 218066700U
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Prior art keywords
pressure sensor
chemical instrument
guide rods
chemical
fixed
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CN202221922300.1U
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刘宁
李玉芳
孟明英
郝青敏
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Hebei Hengyi Lianhua Testing Technology Co ltd
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Hebei Hengyi Lianhua Testing Technology Co ltd
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Abstract

The utility model discloses a high accuracy chemical instrumentation measures detection device, including frame, first pressure sensor, stock solution container, elevating gear, support plate, second pressure sensor, weighing plate, fixture, transfer line, valve and control panel. The chemical instrument to be detected can be stably clamped through the clamping mechanism, and the positions of the two clamping plates of the clamping mechanism can be adjusted, so that the chemical instrument can be clamped at an ideal position conveniently, and the liquid conveying pipe can be inserted into the top opening of the chemical instrument to be detected by matching with the lifting device, and detection liquid is prevented from being scattered outside the chemical instrument; the detection values of the first pressure sensor and the second pressure sensor are compared, whether the difference value between the first pressure sensor and the second pressure sensor is within a normal deviation interval range is judged, and the detection accuracy is guaranteed; if the deviation value of the two is within the range of the normal deviation interval, the ideal volume of the detection liquid is calculated, then the actual volume of the detection liquid corresponding to the scale of the chemical instrument is compared, and the accuracy of the chemical instrument for metering the solution is judged.

Description

High-precision chemical instrument metering detection device
Technical Field
The utility model relates to a measurement detects technical field, especially a high accuracy chemical instrumentation measures detection device.
Background
Instruments used in chemical experiments are called chemical instruments and are mainly divided into measuring instruments and reaction instruments, and the measuring instruments can measure materials. Before the metering chemical instrument is put into use, the metering of the chemical instrument needs to be detected, and whether a metering error exists or not is judged.
In the prior art, the aqueous solution in the measuring cylinder is usually poured into the chemical instrument for checking the scale value of the liquid level inside the chemical instrument to calculate the volume of the aqueous solution in the chemical instrument at the moment, and then comparing the volume value of the aqueous solution with the volume value of the aqueous solution in the measuring cylinder in which the aqueous solution is originally positioned for judging the accuracy of the chemical instrument for measuring the solution.
The invention patent with publication number CN114623894A discloses a chemical instrument metering detection device, which is characterized in that a micro submersible pump, a water flow sensor and a PLC sensor are arranged, the micro submersible pump conveys water in a water storage tank to the interior of a chemical instrument through a drain pipe, the water flow sensor monitors the flow of the water flowing through the interior of the chemical instrument in sequence, the volume of the water solution passing through the water flow sensor is calculated, and then the scale value of the water solution level in the chemical instrument is checked, so that a worker can conveniently detect the accuracy of the chemical instrument in metering the water solution.
The water flow sensor of the detection device detects the water flow passing through the water flow sensor, but the length of the drain pipe is long, after water pumping is stopped, part of accumulated water exists in the drain pipe, a small amount of water solution remains on the inner wall of the drain pipe, and the water cannot be conveyed into a chemical instrument, so that the detection accuracy can be influenced.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a high-precision chemical instrumentation detection device.
In order to achieve the above object, the utility model provides a high accuracy chemical instrumentation measures detection device, include:
a frame;
the first pressure sensor is arranged at the top of the frame;
the liquid storage container is arranged at the top of the frame, is supported by the first pressure sensor and is used for storing detection liquid;
the lifting device is arranged at the bottom of the frame;
the support plate is arranged at the top of the lifting device and can be driven by the lifting device to lift linearly;
the second pressure sensor is arranged at the upper end of the support plate;
the weighing plate is arranged above the carrier plate and is supported by the second pressure sensor;
the clamping mechanism is arranged on the weighing plate and used for clamping the chemical instrument to be detected;
the infusion tube is vertically arranged, and the upper end of the infusion tube is communicated with the liquid storage container;
the valve is arranged on the infusion tube;
and the control panel is arranged on the rack and is electrically connected with the first pressure sensor and the second pressure sensor.
Further, fixture includes the fixing base that two symmetries set up, and equal threaded mounting has the screw rod on the fixing base, and the hand wheel is all installed to the one end of two screw rods dorsad, and grip block is all installed through the bearing to two screw rod one end in opposite directions, is fixed with the polished rod with screw rod parallel arrangement on the grip block, and the polished rod other end passes the fixing base and with fixing base sliding connection.
Furthermore, an anti-skid rubber pad is arranged on the end face of the clamping plate, which is back to the screw rod.
Further, the top of the rack is fixed with at least two first guide rods, a first guide sleeve in one-to-one correspondence with the first guide rods is fixed on the liquid storage container, the first guide sleeve is slidably sleeved on the first guide rods, a first limiting block is fixed at the top of the first guide rods, first pressure springs are sleeved on the first guide rods, the upper ends of the first pressure springs are connected with the first limiting blocks, and the lower ends of the first pressure springs are connected with the first guide sleeves.
Furthermore, at least two second guide rods are fixed at the top of the support plate, second guide sleeves in one-to-one correspondence with the second guide rods are fixed on the weighing plate, the second guide sleeves are slidably sleeved on the second guide rods, second limiting blocks are fixed at the tops of the second guide rods, second pressure springs are sleeved on the second guide rods, the upper ends of the second pressure springs are connected with the second limiting blocks, and the lower ends of the second pressure springs are connected with the second guide sleeves.
Furthermore, the top of the rack is provided with a first groove, and the lower part of the first pressure sensor is arranged in the first groove.
Furthermore, a second groove is formed in the top of the carrier plate, and the lower portion of the second pressure sensor is installed in the second groove.
Furthermore, the top of the liquid storage container is detachably provided with a container cover, and the container cover is used for covering the liquid storage container.
Furthermore, an operating handle is arranged at the top of the container cover.
Compared with the prior art, the technical scheme has the following beneficial effects:
1. the chemical instrument to be detected can be stably clamped through the clamping mechanism, and the positions of the two clamping plates can be adjusted, so that the chemical instrument can be conveniently clamped at an ideal position, the top of the chemical instrument is positioned under the infusion tube, and the detection liquid is prevented from being scattered outside the chemical instrument through vertical dripping;
2. the lifting device drives the support plate, the weighing plate and the clamping mechanism to ascend, so that the chemical instrument to be detected ascends to the infusion tube, the infusion tube can be inserted into the top opening of the chemical instrument to be detected, and detection liquid is prevented from spilling out of the chemical instrument;
3. the reduction amount of the pressure value detected by the first pressure sensor is the weight of the detection liquid output by the liquid storage container, the increase amount of the pressure value detected by the second pressure sensor is the weight of the detection liquid entering the chemical instrument to be detected, and the detection is carried out again to ensure the detection accuracy by comparing whether the deviation amount of the pressure value and the deviation amount of the pressure value is within the range of the normal deviation interval or not and if the deviation amount of the pressure value and the deviation amount of the pressure value is too large and not within the range of the normal deviation interval; if the deviation value of the two is within the normal deviation interval range, dividing the weight of the detection liquid entering the chemical instrument to be detected and detected by the second pressure sensor by the density of the detection liquid at the experiment temperature and the atmospheric pressure to obtain the ideal volume of the detection liquid, then comparing the actual volume of the detection liquid corresponding to the scale of the chemical instrument to be detected, and judging the accuracy of the chemical instrument in metering the solution.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure, 1, a frame; 2. a first pressure sensor; 3. a reservoir; 4. a lifting device; 5. a carrier plate; 6. a second pressure sensor; 7. a weighing plate; 8. a transfusion tube; 9. a valve; 10. a control panel; 11. a fixed seat; 12. a screw; 13. a hand wheel; 14. a bearing; 15. a clamping plate; 16. a polish rod; 17. an anti-skid rubber pad; 18. a first guide bar; 19. a first guide sleeve; 20. a first stopper; 21. a first pressure spring; 22. a second guide bar; 23. a second guide sleeve; 24. a second limiting block; 25. a second pressure spring; 26. a first groove; 27. a second groove; 28. a container cover; 29. the handle is operated.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Referring to fig. 1, in an embodiment of the present invention, a high precision chemical instrumentation and detection device includes: the device comprises a frame 1, a first pressure sensor 2, a liquid storage container 3, a lifting device 4, a carrier plate 5, a second pressure sensor 6, a weighing plate 7, a clamping mechanism, a transfusion tube 8, a valve 9 and a control panel 10; the four first pressure sensors 2 are arranged at the top of the frame 1, and the four first pressure sensors 2 are distributed in a rectangular shape; the liquid storage container 3 is arranged at the top of the frame 1, is supported by the first pressure sensor 2 and is used for storing detection liquid, and the detection liquid can be distilled water; the lifting device 4 is arranged at the bottom of the frame 1, the lifting device 4 adopts a hand-operated lifting platform, and other structures such as an electric lifting platform and the like can be selected according to requirements; the carrier plate 5 is arranged on the top of the lifting device 4 and can be driven by the lifting device 4 to lift linearly; the second pressure sensors 6 are arranged at the upper end of the carrier plate 5, and the number of the second pressure sensors 6 is four and the second pressure sensors are distributed in a rectangular shape; the weighing plate 7 is arranged above the carrier plate 5 and is supported by the second pressure sensor 6; the clamping mechanism is arranged on the weighing plate 7 and used for clamping a chemical instrument to be detected; the infusion tube 8 is vertically arranged and the upper end is communicated with the liquid storage container 3; the valve 9 is arranged on the infusion tube 8, and the valve 9 is a manual regulating valve; the control panel 10 is installed on the rack 1, and is electrically connected with the first pressure sensor 2 and the second pressure sensor 6, the control panel 10 is used for acquiring pressure data information detected by the first pressure sensor 2 and the second pressure sensor 6, when the detection liquid is conveyed, whether the deviation amount of the first pressure sensor 2 and the deviation amount of the second pressure sensor 6 are within an error range interval is judged by comparing the detected weight reduction amount of the first pressure sensor with the detected weight increase amount of the second pressure sensor 6, after the deviation amount of the first pressure sensor and the deviation amount of the second pressure sensor are determined to be within the error range interval, the ideal volume of the detection liquid in the chemical instrument to be detected is calculated by dividing the detected weight increase amount of the second pressure sensor 6 by the density of the detection liquid, and the metering accuracy of the chemical instrument is judged by comparing the actual volume of the detection liquid corresponding to the scale of the chemical instrument to be detected.
For the chemical instrumentation of different models of centre gripping convenient, set up fixture and include two fixing bases 11 that the symmetry set up, equal threaded mounting has screw rod 12 on the fixing base 11, hand wheel 13 is all installed to the one end of two screw rods 12 dorsad, and grip block 15 is all installed through bearing 14 to two screw rods 12 one end in opposite directions, is fixed with polished rod 16 with screw rod 12 parallel arrangement on the grip block 15, and polished rod 16 other end passes fixing base 11 and with fixing base 11 sliding connection. The bearing 14 is a tapered roller bearing which can bear axial force and is convenient for the clamping plate 15 to clamp a chemical instrument; the fixed seat 11 is provided with a threaded hole and a round hole, the screw 12 is in threaded connection with the threaded hole, and the polished rod 16 is in sliding connection with the round hole; rotate screw rod 12 through hand wheel 13, under polished rod 16's guide effect, screw rod 12 can drive 15 linear motion of grip block, and 15 positions of two grip blocks are all adjustable to be convenient for with the chemical instrumentation centre gripping in ideal position, make the top of chemical instrumentation be located under transfer line 8, through vertical drippage, avoid detecting the liquid and spill outside the chemical instrumentation.
In order to improve the clamping effect and avoid damage to chemical instruments, an anti-skid rubber pad 17 is arranged on the end face of the clamping plate 15, which faces away from the screw 12. The anti-skid rubber pad 17 has an anti-skid function and can clamp a chemical instrument, and the anti-skid rubber pad 17 also has certain elasticity and cannot be in rigid contact with the chemical instrument, so that the chemical instrument is prevented from being damaged due to overlarge clamping force.
For the convenient accurate weight that detects liquid storage container 3 of first pressure sensor 2, avoid liquid storage container 3 to rock, break away from first pressure sensor 2, be fixed with two first guide bars 18 at 1 top in the frame, be fixed with the first uide bushing 19 with first guide bar 18 one-to-one on the liquid storage container 3, the slip suit of first uide bushing 19 is on first guide bar 18, first guide bar 18 top is fixed with first stopper 20, the cover is equipped with first pressure spring 21 on the first guide bar 18, first pressure spring 21 upper end is connected with first stopper 20, first pressure spring 21 lower extreme is connected with first uide bushing 19. First guide bar 18 and first uide bushing 19 play limiting displacement, avoid stock solution container 3 to rock, and first pressure spring 21 provides the elasticity of pushing down for stock solution container 3 compresses tightly first pressure sensor 2, and first pressure sensor 2 can stably detect stock solution container 3's weight.
The weighing plate 7 is prevented from shaking and being separated from the second pressure sensor 6, two second guide rods 22 are fixed at the top of the carrier plate 5, second guide sleeves 23 in one-to-one correspondence with the second guide rods 22 are fixed on the weighing plate 7, the second guide sleeves 23 are slidably sleeved on the second guide rods 22, second limit blocks 24 are fixed at the tops of the second guide rods 22, second pressure springs 25 are sleeved on the second guide rods 22, the upper ends of the second pressure springs 25 are connected with the second limit blocks 24, and the lower ends of the second pressure springs 25 are connected with the second guide sleeves 23. The second guide rod 22 and the second guide sleeve 23 play a limiting role, the weighing plate 7 is prevented from shaking, the second pressure spring 25 provides downward pressing elastic force, the weighing plate 7 is enabled to compress the second pressure sensor 6, and the second pressure sensor 6 can stably detect the weight of the weighing plate 7.
In order to facilitate the installation of the first pressure sensor 2 and reduce the gap between the liquid storage container 3 and the rack 1, a first groove 26 is formed in the top of the rack 1, and the lower portion of the first pressure sensor 2 is installed in the first groove 26. The first grooves 26 are identical in mathematical terms to the first pressure sensor 2, and are four in number.
In order to facilitate the mounting of the second pressure sensor 6 and reduce the gap between the carrier plate 5 and the weighing plate 7, a second groove 27 is provided on the top of the carrier plate 5, and the lower part of the second pressure sensor 6 is mounted in the second groove 27. The second grooves 27 are identical in mathematical relationship to the second pressure sensor 6 and are four in number.
In order to avoid the testing process, impurity gets into liquid container in, influence the detection precision, has container lid 28 at 3 tops demountable installation of liquid storage container, and container lid 28 is used for closing liquid storage container 3. The container lid 28 accessible lock mode is detained at liquid storage container 3 top, also can install at liquid storage container 3 top through threaded connection mode screw thread.
To facilitate access to the container lid 28, an operating handle 29 is mounted on top of the container lid 28. The container lid 28 can be easily taken up by operating the handle 29, and the container lid 28 can be attached to or detached from the liquid reservoir 3.
The working steps of this embodiment are as follows:
s1, placing a chemical instrument to be detected on a weighing plate 7 at an experiment temperature and under an experiment pressure, enabling a top opening of the chemical instrument to be detected to be located under a liquid conveying pipe 8, and then clamping the chemical instrument to be detected through a clamping mechanism;
s2, adjusting a lifting device 4, wherein the lifting device 4 drives a carrier plate 5, a weighing plate 7 and a clamping mechanism to ascend, so that the chemical instrument to be detected ascends to a liquid conveying pipe 8, and the liquid conveying pipe 8 is inserted into the top opening of the chemical instrument to be detected;
s3, operating the control panel 10, setting the pressure detected by the second pressure sensor 6 to be zero, and recording the pressure value detected by the first pressure sensor 2;
s4, operating the valve 9, outputting the detection liquid in the liquid storage container 3 to a chemical instrument to be detected through the liquid conveying pipe 8, and then closing the valve 9;
s5, the decrement of the pressure value detected by the first pressure sensor 2 is the weight of the detection liquid output by the liquid storage container 3, the increment of the pressure value detected by the second pressure sensor 6 is the weight of the detection liquid entering the chemical instrument to be detected, whether the deviation of the two is within the range of a normal deviation interval or not is compared, and if the deviation of the two is too large and is not within the range of the normal deviation interval, the detection is carried out again; if the deviation value of the two is within the normal deviation interval range, dividing the weight of the detection liquid entering the chemical instrument to be detected, which is detected by the second pressure sensor 6, by the density of the detection liquid at the experiment temperature and the air pressure to obtain the ideal volume of the detection liquid, then comparing the actual volume of the detection liquid corresponding to the scale of the chemical instrument to be detected, and judging the accuracy of the chemical instrument in metering the solution.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.

Claims (9)

1. A high precision chemical instrumentation detection apparatus comprising:
a frame (1);
it is characterized by also comprising:
the first pressure sensor (2) is arranged at the top of the rack (1);
the liquid storage container (3) is arranged at the top of the rack (1), is supported by the first pressure sensor (2) and is used for storing detection liquid;
the lifting device (4) is arranged at the bottom of the rack (1);
the carrier plate (5) is arranged at the top of the lifting device (4) and can be driven by the lifting device (4) to lift linearly;
the second pressure sensor (6) is arranged at the upper end of the carrier plate (5);
the weighing plate (7) is arranged above the carrier plate (5) and is supported by the second pressure sensor (6);
the clamping mechanism is arranged on the weighing plate (7) and used for clamping the chemical instrument to be detected;
the infusion tube (8) is vertically arranged, and the upper end of the infusion tube is communicated with the liquid storage container (3);
a valve (9) mounted on the infusion tube (8);
and the control panel (10) is installed on the rack (1) and is electrically connected with the first pressure sensor (2) and the second pressure sensor (6).
2. The high-precision chemical instrument metering detection device according to claim 1, wherein the clamping mechanism comprises two symmetrically arranged fixed seats (11), each fixed seat (11) is provided with a screw (12) in a threaded manner, each backward end of the two screws (12) is provided with a hand wheel (13), each opposite end of the two screws (12) is provided with a clamping plate (15) through a bearing (14), each clamping plate (15) is fixed with a polished rod (16) arranged in parallel with the screw (12), and the other end of each polished rod (16) penetrates through the fixed seat (11) and is in sliding connection with the fixed seat (11).
3. A high accuracy chemical instrumentation detection device according to claim 2 wherein an anti-slip rubber pad (17) is mounted on the end surface of the clamping plate (15) facing away from the screw (12).
4. The high-precision chemical instrument metering detection device according to claim 1, wherein at least two first guide rods (18) are fixed to the top of the rack (1), first guide sleeves (19) corresponding to the first guide rods (18) one by one are fixed to the liquid storage container (3), the first guide sleeves (19) are slidably sleeved on the first guide rods (18), first limit blocks (20) are fixed to the top of the first guide rods (18), first pressure springs (21) are sleeved on the first guide rods (18), the upper ends of the first pressure springs (21) are connected with the first limit blocks (20), and the lower ends of the first pressure springs (21) are connected with the first guide sleeves (19).
5. The high-precision chemical instrument metering detection device according to claim 1, wherein at least two second guide rods (22) are fixed on the top of the carrier plate (5), second guide sleeves (23) which correspond to the second guide rods (22) one by one are fixed on the weighing plate (7), the second guide sleeves (23) are slidably sleeved on the second guide rods (22), second limit blocks (24) are fixed on the top of the second guide rods (22), second pressure springs (25) are sleeved on the second guide rods (22), the upper ends of the second pressure springs (25) are connected with the second limit blocks (24), and the lower ends of the second pressure springs (25) are connected with the second guide sleeves (23).
6. A high accuracy chemo-instrumental detection device according to claim 1, characterized in that the top of the frame (1) is provided with a first groove (26), and the lower part of the first pressure sensor (2) is mounted in the first groove (26).
7. A high accuracy chemical instrumentation detection device according to claim 1 wherein the carrier plate (5) is provided with a second groove (27) on top and the second pressure sensor (6) is mounted with its lower portion in the second groove (27).
8. A high accuracy chemical instrumentation measurement device according to claim 1, wherein a container cover (28) is detachably mounted on the top of the liquid storage container (3), and the container cover (28) is used for covering the liquid storage container (3).
9. A high accuracy chemical instrumentation detection device according to claim 8 wherein an operating handle (29) is mounted on top of the container lid (28).
CN202221922300.1U 2022-07-26 2022-07-26 High-precision chemical instrument metering detection device Active CN218066700U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221922300.1U CN218066700U (en) 2022-07-26 2022-07-26 High-precision chemical instrument metering detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221922300.1U CN218066700U (en) 2022-07-26 2022-07-26 High-precision chemical instrument metering detection device

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CN218066700U true CN218066700U (en) 2022-12-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116879485A (en) * 2023-07-14 2023-10-13 宁波市计量测试研究院(宁波新材料检验检测中心) Detecting instrument for chemometry

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116879485A (en) * 2023-07-14 2023-10-13 宁波市计量测试研究院(宁波新材料检验检测中心) Detecting instrument for chemometry

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PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A high-precision chemical instrument metrological detection device

Granted publication date: 20221216

Pledgee: China Postal Savings Bank Co.,Ltd. Handan Congtai Branch

Pledgor: Hebei Hengyi Lianhua Testing Technology Co.,Ltd.

Registration number: Y2024980022726

PE01 Entry into force of the registration of the contract for pledge of patent right